21490601737720

Names of 21490601737720

• Cardinal: 21490601737720 can be written as Twenty-one trillion, four hundred ninety billion, six hundred one million, seven hundred thirty-seven thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.149060173772 × 10¹³

Factors of 21490601737720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 916129

Divisors of 21490601737720

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 20 40 59 61 118 122 163 236 244 295 305 326 472 488 590 610 652 815 1180 1220 1304 1630 2360 2440 3260 3599 6520 7198 9617 9943 14396 17995 19234 19886 28792 35990 38468 39772 48085 49715 71980 76936 79544 96170 99430 143960 192340 198860 384680 397720 586637 915839 1173274 1831678 2346548 2933185 3663356 4579195 4693096 5866370 7326712 9158390 11732740 18316780 23465480 36633560 54034501 55866179 108069002 111732358 149281757 216138004 223464716 270172505 279330895 298563514 432276008 446929432 540345010 558661790 597127028 746408785 1080690020 1117323580 1194254056 1492817570 2161380040 2234647160 2985635140 3296104561 5971270280 6592209122 8807623663 9106187177 13184418244 16480522805 17615247326 18212374354 26368836488 32961045610 35230494652 36424748708 44038118315 45530935885 65922091220 70460989304 72849497416 88076236630 91061871770 131844182440 176152473260 182123743540 352304946520 364247487080 537265043443 1074530086886 2149060173772 2686325217215 4298120347544 5372650434430 10745300868860 21490601737720
• Sum of all divisors σ(n): 50286210048000
• Sum of proper divisors (its aliquot sum) s(n): 28795608310280
• 21490601737720 is an abundant number, because the sum of its proper divisors (28795608310280) is greater than itself. Its abundance is 7305006572560

Bases of 21490601737720

• Binary: 100111000101110101011101011101011110111111000₂
• Hexadecimal: 0x138BABAEBDF8
• Base-36: 7M8N9EJ94

Squares and roots of 21490601737720

• 21490601737720 squared (21490601737720²) is 461845963049293883670798400
• 21490601737720 cubed (21490601737720³) is 9925347656066122046434627627459795648000
• The square root of 21490601737720 is 4635795.6962877473
• The cube root of 21490601737720 is 27802.4365727141

Scales and comparisons

• 21,490,601,737,720 seconds is equal to 683,334 years, 34 weeks, 2 days, 9 hours, 48 minutes, 40 seconds.
• To count from 1 to 21,490,601,737,720 would take you about one million, seven hundred eight thousand, three 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 21490601737720 cubic inches would be around 2316.9 feet tall.

Recreational maths with 21490601737720

• 21490601737720 backwards is 02773710609412
• The number of decimal digits it has is: 14
• The sum of 21490601737720's digits is 49
• More coming soon!