18868386256938144

Names of 18868386256938144

• Cardinal: 18868386256938144 can be written as Eighteen quadrillion, eight hundred sixty-eight trillion, three hundred eighty-six billion, two hundred fifty-six million, nine hundred thirty-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.8868386256938144 × 10¹⁶

Factors of 18868386256938144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1256441

Divisors of 18868386256938144

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 72 87 96 116 127 144 174 232 254 261 288 348 381 464 508 522 696 762 928 1016 1044 1143 1392 1524 2032 2088 2286 2784 3048 3683 4064 4176 4572 6096 7366 8352 9144 11049 12192 14323 14732 18288 22098 28646 29464 33147 36576 42969 44196 57292 58928 66294 85938 88392 114584 117856 128907 132588 171876 176784 229168 257814 265176 343752 353568 415367 458336 515628 530352 687504 830734 1031256 1060704 1241957 1246101 1375008 1661468 1819021 2062512 2483914 2492202 3322936 3638042 3725871 3738303 4125024 4967828 4984404 5457063 6645872 7276084 7451742 7476606 9935656 9968808 10914126 11177613 13291744 14552168 14903484 14953212 16371189 19871312 19937616 21828252 22355226 29104336 29806968 29906424 32742378 36016753 39742624 39875232 43656504 44710452 52751609 58208672 59613936 59812848 65484756 72033506 87313008 89420904 105503218 108050259 119227872 119625696 130969512 144067012 157728539 158254827 174626016 178841808 211006436 216100518 261939024 288134024 315457078 316509654 324150777 357683616 422012872 432201036 473185617 474764481 523878048 576268048 630914156 633019308 648301554 844025744 864402072 946371234 949528962 1152536096 1261828312 1266038616 1296603108 1419556851 1688051488 1728804144 1892742468 1899057924 2523656624 2532077232 2593206216 2839113702 3457608288 3785484936 3798115848 4574127631 5047313248 5064154464 5186412432 5678227404 7570969872 7596231696 9148255262 10372824864 11356454808 13722382893 15141939744 15192463392 17788550111 18296510524 22712909616 27444765786 35577100222 36593021048 41167148679 45425819232 53365650333 54889531572 71154200444 73186042096 82334297358 106731300666 109779063144 142308400888 146372084192 160096950999 164668594716 213462601332 219558126288 284616801776 320193901998 329337189432 426925202664 439116252576 515867953219 569233603552 640387803996 658674378864 853850405328 1031735906438 1280775607992 1317348757728 1547603859657 1707700810656 2063471812876 2259145864097 2561551215984 3095207719314 4126943625752 4518291728194 4642811578971 5123102431968 6190415438628 6777437592291 8253887251504 9036583456388 9285623157942 12380830877256 13554875184582 16507774503008 18073166912776 18571246315884 20332312776873 24761661754512 27109750369164 36146333825552 37142492631768 40664625553746 49523323509024 54219500738328 65515230058813 72292667651104 74284985263536 81329251107492 108439001476656 131030460117626 148569970527072 162658502214984 196545690176439 216878002953312 262060920235252 325317004429968 393091380352878 524121840470504 589637070529317 650634008859936 786182760705756 1048243680941008 1179274141058634 1572365521411512 2096487361882016 2358548282117268 3144731042823024 4717096564234536 6289462085646048 9434193128469072 18868386256938144
• Sum of all divisors σ(n): 55948229510584320
• Sum of proper divisors (its aliquot sum) s(n): 37079843253646176
• 18868386256938144 is an abundant number, because the sum of its proper divisors (37079843253646176) is greater than itself. Its abundance is 18211456996708032

Bases of 18868386256938144

• Binary: 1000011000010001011001010000100010101000110010010100000₂
• Hexadecimal: 0x4308B2845464A0
• Base-36: 55SA8ZE31K0

Squares and roots of 18868386256938144

• 18868386256938144 squared (18868386256938144²) is 356015999941012224248377842164736
• 18868386256938144 cubed (18868386256938144³) is 6717447400537086136984743379501312212628210089984
• The square root of 18868386256938144 is 137362244.6560121699
• The cube root of 18868386256938144 is 266222.5992832477

Scales and comparisons

• 18,868,386,256,938,144 seconds is equal to 599,956,319 years, 11 weeks, 3 days, 1 hour, 2 minutes, 24 seconds.
• To count from 1 to 18,868,386,256,938,144 would take you about one billion, seven hundred ninety-nine million, eight hundred sixty-eight thousand, nine hundred fifty-seven 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 18868386256938144 cubic inches would be around 22185.2 feet tall.

Recreational maths with 18868386256938144

• 18868386256938144 backwards is 44183965268386881
• The number of decimal digits it has is: 17
• The sum of 18868386256938144's digits is 90
• More coming soon!