18681120401334375

Names of 18681120401334375

• Cardinal: 18681120401334375 can be written as Eighteen quadrillion, six hundred eighty-one trillion, one hundred twenty billion, four hundred one million, three hundred thirty-four thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 1.8681120401334375 × 10¹⁶

Factors of 18681120401334375

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 351

Divisors of 18681120401334375

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 15 19 25 41 57 75 95 123 125 205 283 285 361 375 475 615 625 779 849 1025 1083 1415 1425 1681 1805 1875 2337 2375 3075 3125 3895 4245 5043 5125 5377 5415 7075 7125 8405 9025 9375 11603 11685 11875 14801 15375 16131 19475 21225 25215 25625 26885 27075 31939 34809 35375 35625 42025 44403 45125 58015 58425 59375 68921 74005 76875 80089 80655 95817 97375 102163 106125 126075 128125 134425 135375 159695 174045 176875 178125 206763 210125 220457 222015 225625 240267 290075 292125 306489 344605 370025 384375 400445 403275 475723 479085 486875 510815 530625 606841 630375 661371 672125 676875 798475 870225 884375 1033815 1050625 1102285 1110075 1128125 1201335 1309499 1427169 1450375 1460625 1521691 1532445 1723025 1820523 1850125 2002225 2016375 2378615 2395425 2434375 2554075 2653125 3034205 3151875 3283649 3306855 3360625 3384375 3928497 3992375 4188683 4351125 4565073 5169075 5253125 5511425 5550375 6006675 6547495 7135845 7251875 7303125 7608455 7662225 8615125 9038737 9102615 9250625 9850947 10011125 10081875 11893075 11977125 12566049 12770375 15171025 15759375 16418245 16534275 16803125 19504643 19642485 19961875 20943415 21755625 22825365 24880481 25845375 27116211 27557125 27751875 28912129 30033375 32737475 35679225 36259375 38042275 38311125 43075625 45193685 45513075 46253125 49254735 50055625 50409375 58513929 59465375 59885625 62389331 62830245 63851875 74641443 75855125 82091225 82671375 86736387 97523215 98212425 99809375 104717075 108778125 114126825 124402405 129226875 134629609 135581055 137785625 138759375 144560645 150166875 163687375 171736003 178396125 187167993 190211375 191555625 215378125 225968425 227565375 246273675 250278125 292569645 297326875 299428125 311946655 314151225 319259375 370588217 373207215 379275625 403888827 410456125 413356875 433681935 487616075 491062125 515208009 523585375 570634125 622012025 646134375 673148045 677905275 688928125 722803225 750834375 818436875 858680015 891980625 935839965 951056875 957778125 1111764651 1129842125 1137826875 1185397289 1231368375 1462848225 1486634375 1559733275 1570756125 1852941085 1866036075 1896378125 2019444135 2052280625 2066784375 2168409675 2438080375 2455310625 2557962571 2576040045 2617926875 2853170625 3110060125 3365740225 3389526375 3556191867 3614016125 4092184375 4293400075 4459903125 4679199825 4755284375 5519813969 5558823255 5649210625 5689134375 5926986445 6156841875 7041176123 7314241125 7673887713 7798666375 7853780625 9264705425 9330180375 10097220675 10261403125 10842048375 12190401875 12276553125 12789812855 12880200225 13089634375 14265853125 15550300625 16559441907 16828701125 16947631875 17780959335 18070080625 21123528369 21467000375 23395999125 27599069845 27794116275 28246053125 29634932225 30784209375 35205880615 36571205625 38369438565 38993331875 39268903125 46323527125 46650901875 48601288849 50486103375 54210241875 60952009375 63949064275 64401001125 77751503125 82797209535 84143505625 84738159375 88904796675 90350403125 104876465411 105617641845 107335001875 116979995625 137995349225 138970581375 145803866547 148174661125 176029403075 182856028125 191847192825 194966659375 231617635625 233254509375 243006444245 252430516875 271051209375 314629396233 319745321375 322005005625 413986047675 420717528125 444523983375 524382327055 528088209225 536675009375 584899978125 689976746125 694852906875 729019332735 740873305625 880147015375 959235964125 1158088178125 1215032221225 1262152584375 1573146981165 1598726606875 1610025028125 1992652842809 2069930238375 2222619916875 2621911635275 2640441046125 3449883730625 3474264534375 3645096663675 3704366528125 4400735076875 4796179820625 5977958528427 6075161106125 7865734905825 7993633034375 9963264214045 10349651191875 11113099584375 13109558176375 13202205230625 17249418653125 18225483318375 22003675384375 23980899103125 29889792642135 30375805530625 39328674529125 49816321070225 51748255959375 65547790881875 66011026153125 91127416591875 149448963210675 151879027653125 196643372645625 249081605351125 327738954409375 455637082959375 747244816053375 983216863228125 1245408026755625 3736224080266875 6227040133778125 18681120401334375
• Sum of all divisors σ(n): 33798907837261728
• Sum of proper divisors (its aliquot sum) s(n): 15117787435927353
• 18681120401334375 is a deficient number, because the sum of its proper divisors (15117787435927353) is less than itself. Its deficiency is 3563332965407022

Bases of 18681120401334375

• Binary: 1000010010111100110000101001001100001110010000001100111₂
• Hexadecimal: 0x425E6149872067
• Base-36: 53XWK8IPW13

Squares and roots of 18681120401334375

• 18681120401334375 squared (18681120401334375²) is 348984259449151400069280556640625
• 18681120401334375 cubed (18681120401334375³) is 6519416968940110853725259819449981399017333984375
• The square root of 18681120401334375 is 136678895.2301501997
• The cube root of 18681120401334375 is 265338.9298114809

Scales and comparisons

• 18,681,120,401,334,375 seconds is equal to 594,001,844 years, 13 weeks, 4 days, 17 hours, 46 minutes, 15 seconds.
• To count from 1 to 18,681,120,401,334,375 would take you about one billion, seven hundred eighty-two million, five thousand, five hundred thirty-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18681120401334375 cubic inches would be around 22111.6 feet tall.

Recreational maths with 18681120401334375

• 18681120401334375 backwards is 57343310402118681
• 18681120401334375 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18681120401334375's digits is 57
• More coming soon!