990993402017775

Names of 990993402017775

• Cardinal: 990993402017775 can be written as Nine hundred ninety trillion, nine hundred ninety-three billion, four hundred two million, seventeen thousand, seven hundred seventy-five.

Scientific notation

• Scientific notation: 9.90993402017775 × 10¹⁴

Factors of 990993402017775

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 11819

Divisors of 990993402017775

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 9 13 15 25 29 39 45 65 75 87 117 145 195 225 261 325 377 435 457 585 725 975 1131 1305 1371 1885 2175 2285 2925 3121 3393 4113 5655 5941 6525 6855 8191 9363 9425 11425 13253 15605 16965 17823 20565 24573 28089 28275 29705 34275 39759 40573 40955 46815 53469 66265 73719 78025 84825 89115 90509 102825 106483 119277 121719 122865 140445 148525 172289 198795 202865 204775 234075 237539 267345 271527 319449 331325 365157 368595 445575 452545 516867 532415 596385 608595 614325 702225 712617 814581 861445 958347 993975 1014325 1176617 1187695 1336725 1357635 1426297 1550601 1597245 1825785 1842975 2137851 2262725 2584335 2662075 2981925 3042975 3088007 3529851 3563085 3743287 4072905 4278891 4307225 4791735 5883085 5938475 6788175 7131485 7753005 7986225 9128925 9264021 10589553 10689255 11229861 12836673 12921675 15440035 17649255 17815425 18541861 18716435 20364525 21394455 23958675 25564111 27792063 29415425 33689583 35657425 38765025 41362613 46320105 48662731 52947765 53446275 55625583 56149305 64183365 76692333 77200175 88246275 92709305 93582175 106972275 108555323 124087839 127820555 138960315 145988193 166876749 168447915 206813065 230076999 231600525 243313655 264738825 278127915 280746525 320916825 325665969 332333443 372263517 383461665 437964579 463546525 537713969 542776615 620439195 639102775 694801575 729940965 741359219 834383745 842239575 976997907 997000329 1034065325 1150384995 1216568275 1390639575 1411219199 1613141907 1628329845 1661667215 1861317585 1917308325 2189822895 2224077657 2688569845 2713883075 2991000987 3102195975 3649704825 3706796095 4171918725 4233657597 4839425721 4884989535 4985001645 5751924975 6672232971 7056095995 8065709535 8141649225 8308336075 9306587925 9637669847 10949114475 11120388285 11682798727 12700972791 13442849225 14955004935 18533980475 21168287985 24197128605 24424947675 24925008225 28913009541 33361164855 35048396181 35280479975 40328547675 48188349235 55601941425 58413993635 63504863955 74775024675 86739028623 105145188543 105841439925 120985643025 144565047705 151876383451 166805824275 175241980905 240941746175 292069968175 317524319775 338801163083 433695143115 455629150353 525725942715 722825238525 759381917255 876209904525 1016403489249 1366887451059 1694005815415 2168475715575 2278145751765 2628629713575 3049210467747 3796909586275 4404415120079 5082017446245 6834437255295 8470029077075 11390728758825 13213245360237 15246052338735 22022075600395 25410087231225 34172186276475 39639736080711 66066226801185 76230261693675 110110378001975 198198680403555 330331134005925 990993402017775
• Sum of all divisors σ(n): 1982634489937920
• Sum of proper divisors (its aliquot sum) s(n): 991641087920145
• 990993402017775 is an abundant number, because the sum of its proper divisors (991641087920145) is greater than itself. Its abundance is 647685902370

Bases of 990993402017775

• Binary: 11100001010100110110100001101100111011011111101111₂
• Hexadecimal: 0x3854DA1B3B7EF
• Base-36: 9RA030VBHR

Squares and roots of 990993402017775

• 990993402017775 squared (990993402017775²) is 982067922842763419441415950625
• 990993402017775 cubed (990993402017775³) is 973222831870479889441931852387503944772359375
• The square root of 990993402017775 is 31480047.6813135561
• The cube root of 990993402017775 is 99698.8742100155

Scales and comparisons

• 990,993,402,017,775 seconds is equal to 31,510,524 years, 43 weeks, 4 days, 20 hours, 56 minutes, 15 seconds.
• To count from 1 to 990,993,402,017,775 would take you about seventy-eight million, seven hundred seventy-six thousand, three hundred twelve 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 990993402017775 cubic inches would be around 8308.2 feet tall.

Recreational maths with 990993402017775

• 990993402017775 backwards is 577710204399099
• The number of decimal digits it has is: 15
• The sum of 990993402017775's digits is 72
• More coming soon!