21246840729840968

Names of 21246840729840968

• Cardinal: 21246840729840968 can be written as Twenty-one quadrillion, two hundred forty-six trillion, eight hundred forty billion, seven hundred twenty-nine million, eight hundred forty thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1246840729840968 × 10¹⁶

Factors of 21246840729840968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1293

Divisors of 21246840729840968

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 8 11 22 31 44 62 88 121 124 242 248 341 484 682 961 968 1249 1331 1364 1922 2498 2662 2728 3751 3844 4996 5324 7502 7688 9992 10571 10648 13739 14641 15004 21142 27478 29282 30008 38719 41261 42284 54956 58564 77438 82522 84568 109912 116281 117128 151129 154876 161051 165044 232562 302258 309752 322102 330088 425909 453871 465124 604516 644204 851818 907742 930248 1200289 1209032 1279091 1288408 1560001 1662419 1703636 1771561 1815484 2400578 2558182 3120002 3324838 3407272 3543122 3630968 4684999 4801156 4992581 5116364 6240004 6649676 7086244 9369998 9602312 9985162 10232728 12480008 13203179 13299352 14070001 14172488 17160011 18286609 18739996 19970324 26406358 28140002 34320022 36573218 37479992 39940648 48360031 51534989 52812716 54918391 56280004 68640044 73146436 96720062 103069978 105625432 109836782 112560008 137280088 145234969 146292872 154770011 188760121 193440124 201152699 206139956 219673564 290469938 309540022 377520242 386880248 402305398 412279912 439347128 531960341 566884879 580939876 619080044 755040484 804610796 1063920682 1133769758 1161879752 1238160088 1499160961 1510080968 1597584659 1609221592 1702470121 2076361331 2127841364 2212679689 2267539516 2998321922 3195169318 3404940242 4152722662 4255682728 4425359378 4535079032 5851563751 5996643844 6235733669 6390338636 6809880484 8305445324 8850718756 11703127502 11993287688 12471467338 12780677272 13619760968 16490770571 16610890648 17573431249 17701437512 22839974641 23406255004 24942934676 32981541142 35146862498 45679949282 46812510008 49885869352 64367201261 65963082284 68593070359 70293724996 91359898564 128734402522 131926164568 137186140718 140587449992 181398476281 182719797128 193307743739 251239721051 257468805044 274372281436 362796952562 386615487478 502479442102 514937610088 548744562872 708039213871 725593905124 773230974956 1004958884204 1416078427742 1451187810248 1546461949912 1995383239091 2009917768408 2126385181129 2763636931561 2832156855484 3990766478182 4252770362258 5527273863122 5664313710968 7788431352581 7981532956364 8505540724516 11054547726244 15576862705162 15963065912728 17011081449032 21949215630001 22109095452488 31153725410324 43898431260002 62307450820648 85672744878391 87796862520004 171345489756782 175593725040008 241441371930011 342690979513564 482882743860022 685381959027128 965765487720044 1931530975440088 2655855091230121 5311710182460242 10623420364920484 21246840729840968
• Sum of all divisors σ(n): 45317089656183465
• Sum of proper divisors (its aliquot sum) s(n): 24070248926342497
• 21246840729840968 is an abundant number, because the sum of its proper divisors (24070248926342497) is greater than itself. Its abundance is 2823408196501529

Bases of 21246840729840968

• Binary: 1001011011110111110001110011010010011010010110101001000₂
• Hexadecimal: 0x4B7BE39A4D2D48
• Base-36: 5T7DJVTDJK8

Squares and roots of 21246840729840968

• 21246840729840968 squared (21246840729840968²) is 451428240999229077750078571177024
• 21246840729840968 cubed (21246840729840968³) is 9591423937462884731718116748091447068056095519232
• The square root of 21246840729840968 is 145762960.7610965345
• The cube root of 21246840729840968 is 276969.1856656389

Scales and comparisons

• 21,246,840,729,840,968 seconds is equal to 675,583,814 years, 21 weeks, 4 days, 5 hours, 36 minutes, 8 seconds.
• To count from 1 to 21,246,840,729,840,968 would take you about two billion, twenty-six million, seven hundred fifty-one thousand, four hundred forty-three 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 21246840729840968 cubic inches would be around 23080.8 feet tall.

Recreational maths with 21246840729840968

• 21246840729840968 backwards is 86904892704864212
• The number of decimal digits it has is: 17
• The sum of 21246840729840968's digits is 80
• More coming soon!