81372640029210
81,372,640,029,210 is an even composite number composed of six prime numbers multiplied together.
81372640029210 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 81372640029210:
2 × 32 × 5 × 312 × 372 × 8292
(2 × 3 × 3 × 5 × 31 × 31 × 37 × 37 × 829 × 829)See below for interesting mathematical facts about the number 81372640029210 from the Numbermatics database.
Names of 81372640029210
- Cardinal: 81372640029210 can be written as Eighty-one trillion, three hundred seventy-two billion, six hundred forty million, twenty-nine thousand, two hundred ten.
Scientific notation
- Scientific notation: 8.137264002921 × 1013
Factors of 81372640029210
Divisors of 81372640029210
- Number of divisors d(n): 324
-
Complete list of divisors:
1 2 3 5 6 9 10 15 18 30 31 37 45 62 74 90 93 111 155 185 186 222 279 310 333 370 465 555 558 666 829 930 961 1110 1147 1369 1395 1658 1665 1922 2294 2487 2738 2790 2883 3330 3441 4107 4145 4805 4974 5735 5766 6845 6882 7461 8214 8290 8649 9610 10323 11470 12321 12435 13690 14415 14922 17205 17298 20535 20646 24642 24870 25699 28830 30673 34410 35557 37305 41070 42439 43245 51398 51615 61346 61605 71114 74610 77097 84878 86490 92019 103230 106671 123210 127317 128495 153365 154194 177785 184038 212195 213342 231291 254634 256990 276057 306730 320013 355570 381951 385485 424390 460095 462582 533355 552114 636585 640026 687241 763902 770970 796669 920190 950863 1066710 1134901 1156455 1273170 1315609 1374482 1380285 1593338 1600065 1901726 1909755 2061723 2269802 2312910 2390007 2631218 2760570 2852589 3200130 3404703 3436205 3819510 3946827 3983345 4123446 4754315 4780014 5674505 5705178 6185169 6578045 6809406 6872410 7170021 7893654 7966690 8557767 9508630 10214109 10308615 11349010 11840481 11950035 12370338 13156090 14262945 14340042 17023515 17115534 19734135 20428218 20617230 21304471 23680962 23900070 25427917 28525890 29476753 30925845 34047030 35181931 35850105 39468270 42608942 42788835 50855834 51070545 58953506 59202405 61851690 63913413 70363862 71700210 76283751 85577670 88430259 102141090 105545793 106522355 118404810 127139585 127826826 147383765 152567502 175909655 176860518 191740239 211091586 213044710 228851253 254279170 265290777 294767530 316637379 319567065 351819310 381418755 383480478 442151295 457702506 527728965 530581554 633274758 639134130 660438601 762837510 788265427 884302590 940832929 958701195 1055457930 1090639861 1144256265 1320877202 1326453885 1576530854 1583186895 1881665858 1917402390 1981315803 2181279722 2288512530 2364796281 2652907770 2822498787 3166373790 3271919583 3302193005 3941327135 3962631606 4704164645 4729592562 5453199305 5644997574 5943947409 6543839166 6604386010 7094388843 7882654270 8467496361 9408329290 9815758749 9906579015 10906398610 11823981405 11887894818 14112493935 14188777686 16359597915 16934992722 19631517498 19813158030 23647962810 24436228237 28224987870 29165820799 29719737045 32719195830 35471944215 42337481805 48872456474 49078793745 58331641598 59439474090 70943888430 73308684711 84674963610 87497462397 98157587490 122181141185 145829103995 146617369422 174994924794 219926054133 244362282370 262492387191 291658207990 366543423555 437487311985 439852108266 524984774382 733086847110 874974623970 904140444769 1099630270665 1312461935955 1808280889538 2199260541330 2624923871910 2712421334307 4520702223845 5424842668614 8137264002921 9041404447690 13562106671535 16274528005842 27124213343070 40686320014605 81372640029210
- Sum of all divisors σ(n): 224953346058714
- Sum of proper divisors (its aliquot sum) s(n): 143580706029504
- 81372640029210 is an abundant number, because the sum of its proper divisors (143580706029504) is greater than itself. Its abundance is 62208066000294
Bases of 81372640029210
- Binary: 100101000000010000010110100110110101010000110102
- Hexadecimal: 0x4A020B4DAA1A
- Base-36: SUE2OW6QI
Squares and roots of 81372640029210
- 81372640029210 squared (813726400292102) is 6621506545323389629653224100
- 81372640029210 cubed (813726400292103) is 538809468563658074102401340610794675961000
-
The
square root of 81372640029210 is 9020678.4683420571 -
The
cube root of 81372640029210 is 43333.7362276063
Scales and comparisons
How big is 81372640029210?- 81,372,640,029,210 seconds is equal to 2,587,398 years, 13 weeks, 7 hours, 13 minutes, 30 seconds.
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To count from 1 to 81,372,640,029,210 would take you about six million, four hundred sixty-eight thousand, four hundred ninety-five 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 81372640029210 cubic inches would be around 3611.1 feet tall.
Recreational maths with 81372640029210
- 81372640029210 backwards is 01292004627318
- 81372640029210 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81372640029210's digits is 45
- More coming soon!
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