81927345984

Names of 81927345984

• Cardinal: 81927345984 can be written as Eighty-one billion, nine hundred twenty-seven million, three hundred forty-five thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 8.1927345984 × 10¹⁰

Factors of 81927345984

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 761

Divisors of 81927345984

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 29 32 33 44 48 58 64 66 87 88 96 116 121 132 174 176 192 232 242 264 277 319 348 352 363 439 464 484 528 554 638 696 704 726 831 878 928 957 968 1056 1108 1276 1317 1392 1452 1662 1756 1856 1914 1936 2112 2216 2552 2634 2784 2904 3047 3324 3509 3512 3828 3872 4432 4829 5104 5268 5568 5808 6094 6648 7018 7024 7656 7744 8033 8864 9141 9658 10208 10527 10536 11616 12188 12731 13296 14036 14048 14487 15312 16066 17728 18282 19316 20416 21054 21072 23232 24099 24376 25462 26592 28072 28096 28974 30624 32132 33517 36564 38193 38632 42108 42144 48198 48752 50924 53119 53184 56144 57948 61248 64264 67034 73128 76386 77264 84216 84288 88363 96396 97504 100551 101848 106238 112288 115896 121603 128528 134068 140041 146256 152772 154528 159357 168432 176726 192792 195008 201102 203696 212476 224576 231792 243206 257056 265089 268136 280082 292512 305544 309056 318714 336864 353452 364809 385584 402204 407392 420123 424952 463584 486412 514112 530178 536272 560164 585024 611088 637428 673728 706904 729618 771168 804408 814784 840246 849904 927168 971993 972824 1060356 1072544 1120328 1222176 1274856 1337633 1413808 1459236 1540451 1542336 1608816 1680492 1699808 1943986 1945648 2120712 2145088 2240656 2444352 2549712 2675266 2827616 2915979 2918472 3080902 3217632 3360984 3399616 3526487 3887972 3891296 4012899 4241424 4481312 4621353 5099424 5350532 5655232 5831958 5836944 6161804 6435264 6721968 7052974 7775944 7782592 8025798 8482848 8962624 9242706 10198848 10579461 10701064 11663916 11673888 12323608 13443936 14105948 14713963 15551888 16051596 16965696 18485412 21158922 21402128 23327832 23347776 24647216 26887872 28211896 29427926 31103776 32103192 36970824 38791357 42317844 42804256 44141889 46655664 49294432 56423792 58855852 62207552 64206384 73941648 77582714 84635688 85608512 88283778 93311328 98588864 112847584 116374071 117711704 128412768 147883296 155165428 169271376 176567556 186622656 225695168 232748142 235423408 256825536 295766592 310330856 338542752 353135112 426704927 465496284 470846816 620661712 677085504 706270224 853409854 930992568 941693632 1241323424 1280114781 1412540448 1706819708 1861985136 2482646848 2560229562 2825080896 3413639416 3723970272 5120459124 6827278832 7447940544 10240918248 13654557664 20481836496 27309115328 40963672992 81927345984
• Sum of all divisors σ(n): 247932854400
• Sum of proper divisors (its aliquot sum) s(n): 166005508416
• 81927345984 is an abundant number, because the sum of its proper divisors (166005508416) is greater than itself. Its abundance is 84078162432

Bases of 81927345984

• Binary: 1001100010011010000000001011101000000₂
• Hexadecimal: 0x1313401740
• Base-36: 11MXFCQO

Squares and roots of 81927345984

• 81927345984 squared (81927345984²) is 6712090019982040928256
• 81927345984 cubed (81927345984³) is 549903721342822140595677833723904
• The square root of 81927345984 is 286229.5337382219
• The cube root of 81927345984 is 4343.1980008251

Scales and comparisons

• 81,927,345,984 seconds is equal to 2,605 years, 1 week, 6 days, 4 hours, 6 minutes, 24 seconds.
• To count from 1 to 81,927,345,984 would take you about five thousand, two hundred ten 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 81927345984 cubic inches would be around 361.9 feet tall.

Recreational maths with 81927345984

• 81927345984 backwards is 48954372918
• The number of decimal digits it has is: 11
• The sum of 81927345984's digits is 60
• More coming soon!