HOW MUCH IS ∛258916? (Oct, 1946)

HOW MUCH IS ∛2589¹⁶
The Army’s ENIAC can give you the answer in a fraction off a second!

Think that’s a stumper? You should see some of the ENIAC’s problems! Brain twisters that if put to paper would run off this page and feet beyond… addition, subtraction, multiplication, division — square root, cube root, any root. Solved by an incredibly complex system of circuits operating 18,000 electronic tubes and tipping the scales at 30 tons!

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14 comments
  1. PaulC says: January 13, 20129:33 am

    I make it to be approximately 1597242787285277724.0020180113214

  2. Christoph says: January 13, 201211:32 am

    Reminds me of the onion’s Our Dumb Century running gag headline: New Miracle Computer Fits In ______

  3. whoozle whaazle says: January 13, 20122:27 pm

    It is :

    1.59724278728527772400201801132142104247170051767762753683360064197446047606191873267061372509354609356546230502196024337200148878707050031878133400515919749234286705226774217571818316207629819809312797516705924713227977343585126084827068343556085250658346398920101772876321366414887703846297143716089118087718018876753038355752373252537321020682472430280933740671406543296944044071365759186476240112718645237648702908555665380868100959659861750575519876323280932434604389220573226391455708969388135122482257028526865472563867388712703048819180521428070426025432399166745931723743443813162403820030952833811836486713479367756724374224164162937864205785058980652067920716008997193380640034961715831874056041157070354561576511107323364207168055271503393912359755972388682556731075545214769632287716455784061901452213427525652705435789073736753104832573605847059091741771091672055563422467233482399256913838634783020182448142674871524823545550141569637441562053193891620163871415591058144740514213958240061693853627438237642204631718403309364016921732531338555643574529446782432703746383307970910797376235907360386401471159215816429959852363657322445706798666367958839604829205429379372525949404160294637947510287652400079590032938698949774527185220733523328385955859643936070886815803572543959447224237698715952635716013828018698695660958832028881224951681595185414416756866001105601295781518315168537257461772416785098315146819963634170150251952022538184655563555608669978353153985165033013627798787640094499467667182349496960013034329651009496832779677948387181048209726730430957475744377971321687880953138979874682493739119519435970389711538950034901164402225473013648574323378938283634202601962907678864919983217878603036152383707507176408337849805620295653949014248088057551627274198441519062813806866782544934984984480308647983914491225128473503577532034154364628120282310576117983572606215925213167128093649147232201330318721068674266757624120091754660747123071066733547645692344749324439869596055263232366739707635694256145071541718791763359129287193165159816398356377845066522848655485432738758922229320134618986195281004174061509563001371850723341317290497418045496288934663160258353091176595227037984130427819471486648605706155645003035332839613319228762620799454334668732975968505797609035689216546555372423053160530211698740828230730097247190607663822127461386979254921477516712373904448530435904449157263563121872994013958719774103702393808700501368920663033753971608368010221283212979898915161055393349526677436624210236096287161273004043938849170491717775529799550984408053879081715798803558621487701659890833689356937395512593241873970751453155249539758324504921420402417445952814184815525301244656521828629969868538739363261714993820970868127775847858912907400077595331834793487590112628527547805390277557294361579038941410648977155363157311331701079739902876388715364044450722531139452448102843897215263894572305099567924594200666429801557666083522480330903837996064619311229950075515548644157141416211299633200914458909185899515661798297223066033391766486282379064903727987060777632709621482851232418830429070733835278533574452359948083831011136589624680864156431260121433997714829495477178874370299018692917886033946397530638302580933483593859230455310331392106822041972249095622596772025772735571688159551160568951349675628948505525826918131562256175555392651929418218343354369049256963763269729080985822045598981573693652493257621050240989793003750576131134582213668091512837266219069840156527054853945607893023285395619561005366717060637739272015895239995327421607758516150215800486901014837984923288904012471469174618056633939032238670270246341480274644631204474065344992178912180199… × 10^18

    Thank you Wolfram Alpha :)

  4. Toronto says: January 13, 20123:47 pm

    $ echo “scale=64;e(16*l(2589)/3)” | bc -l
    1597242787285277724.0020180113214210424717005176776275368336006416271329498923323830

  5. Nomen Nescio says: January 13, 20124:04 pm

    Wolfram Alpha wins the most-sigfigs competition, but i’m not sure which tool gets the best precision.

  6. CW says: January 13, 20126:48 pm

    @Toronto
    Just another reason why I love Linux. You can truly do just about anything via cli and scripts.

  7. Edward says: January 15, 20128:54 am

    How about 2699999990000 digits of pi? Needed 7.5 TB disk storage during computation.
    http://bellard.org/pi/p…

  8. Devak says: January 15, 201210:12 am

    I find that on a day to day basis, I rarely need to know the answer.

  9. Darren says: January 15, 20123:27 pm

    quote “ENIAC can give you the answer in a fraction off a second” – but how long does it take to provide it the question?

  10. Toronto says: January 15, 20126:52 pm

    Darren – exactly. That’s why I use ‘bc’ a lot. Using the “-l” option invokes the math lib, so you get a lot more functions and a LOT more accuracy – certainly more than I typically need. (But by default, it tried to be integer based, so the ‘scale=whatever’ is kinda needed.)

  11. Toronto says: January 15, 20127:07 pm

    Hiru: My father once had an RCAF joe-job that involved walking around a large Norad SAGE system with a shopping cart full of FRUs – field replaceable units – that were typically a couple of tubes or perhaps a set of capacitors and resistors per “card”. If it was suspect, an attention lamp could be turned on, and he’d just swap in a replacement with the same part number.

    Modern servers have attention lamps again – typically blue LEDs – that you can turn on remotely and blink for an on-site service rep. But that’s for entire blade- or rack-mount servers, not just 1 logic gate or less.

  12. Hirudinea says: January 16, 20128:07 am

    When the machines learn to change their own parts I wonder what they’ll do with us?

  13. LightningRose says: January 16, 20129:32 am

    With my slide rule, I get 1.5×10^18

  14. Nomen Nescio says: January 16, 20129:54 am

    LightningRose almost certainly got the fastest answer of us commentators. worst accuracy, though; i’m unsure if i should count that as two sigfigs or one-and-a-bit. the slide rule really should’ve read out 1.6E18, IMO.

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