21019801074008832

Names of 21019801074008832

• Cardinal: 21019801074008832 can be written as Twenty-one quadrillion, nineteen trillion, eight hundred one billion, seventy-four million, eight thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1019801074008832 × 10¹⁶

Factors of 21019801074008832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 12213089177

Divisors of 21019801074008832

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 83 96 108 128 144 162 166 192 216 249 256 288 324 332 384 432 498 576 648 664 747 768 864 996 1152 1296 1328 1494 1728 1992 2241 2304 2592 2656 2988 3456 3984 4482 5184 5312 5976 6723 6912 7968 8964 10368 10624 11952 13446 15936 17928 20736 21248 23904 26892 31872 35856 47808 53784 63744 71712 95616 107568 143424 191232 215136 286848 430272 573696 860544 1721088 12213089089 24426178178 36639267267 48852356356 73278534534 97704712712 109917801801 146557069068 195409425424 219835603602 293114138136 329753405403 390818850848 439671207204 586228276272 659506810806 781637701696 879342414408 989260216209 1013686394387 1172456552544 1319013621612 1563275403392 1758684828816 1978520432418 2027372788774 2344913105088 2638027243224 3041059183161 3126550806784 3517369657632 3957040864836 4054745577548 4689826210176 5276054486448 6082118366322 7034739315264 7914081729672 8109491155096 9123177549483 9379652420352 10552108972896 12164236732644 14069478630528 15828163459344 16218982310192 18246355098966 21104217945792 24328473465288 27369532648449 28138957261056 31656326918688 32437964620384 36492710197932 42208435891584 48656946930576 54739065296898 63312653837376 64875929240768 72985420395864 82108597945347 84416871783168 97313893861152 109478130593796 126625307674752 129751858481536 145970840791728 164217195890694 194627787722304 218956261187592 253250615349504 259503716963072 291941681583456 328434391781388 389255575444608 437912522375184 583883363166912 656868783562776 778511150889216 875825044750368 1167766726333824 1313737567125552 1751650089500736 2335533452667648 2627475134251104 3503300179001472 5254950268502208 7006600358002944 10509900537004416 21019801074008832
• Sum of all divisors σ(n): 63432390967998360
• Sum of proper divisors (its aliquot sum) s(n): 42412589893989528
• 21019801074008832 is an abundant number, because the sum of its proper divisors (42412589893989528) is greater than itself. Its abundance is 21392788819980696

Bases of 21019801074008832

• Binary: 1001010101011010110010111010000010001000000001100000000₂
• Hexadecimal: 0x4AAD65D0440300
• Base-36: 5QYWBB0A800

Squares and roots of 21019801074008832

• 21019801074008832 squared (21019801074008832²) is 441832037190902847242171214004224
• 21019801074008832 cubed (21019801074008832³) is 9287221529876849872043118476164714331898661306368
• The square root of 21019801074008832 is 144982071.5606203221
• The cube root of 21019801074008832 is 275979.1041469001

Scales and comparisons

• 21,019,801,074,008,832 seconds is equal to 668,364,655 years, 33 weeks, 1 day, 21 hours, 7 minutes, 12 seconds.
• To count from 1 to 21,019,801,074,008,832 would take you about two billion, five million, ninety-three thousand, nine hundred sixty-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 21019801074008832 cubic inches would be around 22998.3 feet tall.

Recreational maths with 21019801074008832

• 21019801074008832 backwards is 23880047010891012
• 21019801074008832 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21019801074008832's digits is 54
• More coming soon!