18161971527040

Names of 18161971527040

• Cardinal: 18161971527040 can be written as Eighteen trillion, one hundred sixty-one billion, nine hundred seventy-one million, five hundred twenty-seven thousand and forty.

Scientific notation

• Scientific notation: 1.816197152704 × 10¹³

Factors of 18161971527040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1820

Divisors of 18161971527040

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 79 80 88 110 121 128 158 160 176 220 242 316 320 352 395 440 484 605 632 640 704 790 869 880 968 1210 1264 1408 1580 1723 1738 1760 1936 2420 2528 3160 3446 3476 3520 3872 4345 4840 5056 6320 6892 6952 7040 7744 8615 8690 9559 9680 10112 12640 13784 13904 15488 17230 17380 18953 19118 19360 25280 27568 27808 34460 34760 37906 38236 38720 47795 50560 55136 55616 68920 69520 75812 76472 77440 94765 95590 110272 111232 136117 137840 139040 151624 152944 189530 191180 208483 220544 272234 275680 278080 303248 305888 379060 382360 416966 544468 551360 556160 606496 611776 680585 758120 764720 833932 1042415 1088936 1102720 1212992 1223552 1361170 1497287 1516240 1529440 1667864 2084830 2177872 2425984 2722340 2968729 2994574 3032480 3058880 3335728 4169660 4355744 5444680 5937458 5989148 6064960 6117760 6671456 7486435 8339320 8711488 10889360 11874916 11978296 12129920 13342912 14843645 14972870 16470157 16678640 17422976 21778720 23749832 23956592 26685824 29687290 29945740 32656019 32940314 33357280 43557440 47499664 47913184 59374580 59891480 65312038 65880628 66714560 82350785 87114880 94999328 95826368 118749160 119782960 130624076 131761256 133429120 163280095 164701570 189998656 191652736 234529591 237498320 239565920 261248152 263522512 326560190 329403140 359216209 379997312 469059182 474996640 479131840 522496304 527045024 653120380 658806280 718432418 938118364 949993280 958263680 1044992608 1054090048 1172647955 1306240760 1317612560 1436864836 1796081045 1876236728 1899986560 2089985216 2108180096 2345295910 2579825501 2612481520 2635225120 2873729672 3592162090 3752473456 4179970432 4690591820 5159651002 5224963040 5270450240 5747459344 7184324180 7504946912 9381183640 10319302004 10449926080 10540900480 11494918688 12899127505 14368648360 15009893824 18762367280 20638604008 20899852160 22989837376 25798255010 28378080511 28737296720 30019787648 37524734560 41277208016 45979674752 51596510020 56756161022 57474593440 75049469120 82554416032 103193020040 113512322044 114949186880 141890402555 150098938240 165108832064 206386040080 227024644088 229898373760 283780805110 330217664128 412772080160 454049288176 567561610220 825544160320 908098576352 1135123220440 1651088320640 1816197152704 2270246440880 3632394305408 4540492881760 9080985763520 18161971527040
• Sum of all divisors σ(n): 48356598477600
• Sum of proper divisors (its aliquot sum) s(n): 30194626950560
• 18161971527040 is an abundant number, because the sum of its proper divisors (30194626950560) is greater than itself. Its abundance is 12032655423520

Bases of 18161971527040

• Binary: 100001000010010101001110111000111110110000000₂
• Hexadecimal: 0x1084A9DC7D80
• Base-36: 6FRHSX30G

Squares and roots of 18161971527040

• 18161971527040 squared (18161971527040²) is 329857209749011669451161600
• 18161971527040 cubed (18161971527040³) is 5990857251450411045352693163053809664000
• The square root of 18161971527040 is 4261686.4651262181
• The cube root of 18161971527040 is 26285.7877532135

Scales and comparisons

• 18,161,971,527,040 seconds is equal to 577,494 years, 26 weeks, 5 days, 18 hours, 50 minutes, 40 seconds.
• To count from 1 to 18,161,971,527,040 would take you about one million, four hundred forty-three thousand, seven hundred thirty-six 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 18161971527040 cubic inches would be around 2190.5 feet tall.

Recreational maths with 18161971527040

• 18161971527040 backwards is 04072517916181
• The number of decimal digits it has is: 14
• The sum of 18161971527040's digits is 52
• More coming soon!