21641070470870144

Names of 21641070470870144

• Cardinal: 21641070470870144 can be written as Twenty-one quadrillion, six hundred forty-one trillion, seventy billion, four hundred seventy million, eight hundred seventy thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1641070470870144 × 10¹⁶

Factors of 21641070470870144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1847295

Divisors of 21641070470870144

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 32 56 62 64 67 112 124 128 134 217 224 248 268 434 448 469 496 536 868 896 938 992 1072 1736 1876 1984 2077 2144 3472 3752 3968 4154 4288 6317 6944 7504 8308 8576 12634 13888 14539 15008 16616 25268 27776 29078 30016 33232 44219 50536 58156 60032 66464 88438 101072 116312 132928 176876 195827 202144 232624 265856 353752 391654 404288 423239 465248 707504 783308 808576 846478 930496 1370789 1415008 1566616 1692956 1840871 1860992 2741578 2830016 2962673 3133232 3385912 3681742 5483156 5660032 5925346 6266464 6771824 7363484 10966312 11850692 12532928 12886097 13120409 13543648 14726968 21932624 23701384 25065856 25772194 26240818 27087296 29453936 43865248 47402768 51544388 52481636 54174592 57067001 58907872 87730496 91842863 94805536 103088776 104963272 114134002 117815744 123338357 175460992 183685726 189611072 206177552 209926544 228268004 235631488 246676714 367371452 379222144 399469007 412355104 419853088 456536008 493353428 734742904 798938014 824710208 839706176 863368499 913072016 986706856 1469485808 1597876028 1649420416 1679412352 1726736998 1826144032 1973413712 2938971616 3195752056 3453473996 3652288064 3823489067 3946827424 5877943232 6391504112 6906947992 7304576128 7646978134 7893654848 11628782107 11755886464 12783008224 13813895984 15293956268 15787309696 23257564214 25566016448 26764423469 27627791968 30587912536 46515128428 51132032896 53528846938 55255583936 61175825072 81401474749 93030256856 107057693876 110511167872 122351650144 162802949498 186060513712 214115387752 244703300288 325605898996 360492245317 372121027424 428230775504 489406600576 651211797992 720984490634 744242054848 779128401169 856461551008 1302423595984 1441968981268 1488484109696 1558256802338 1712923102016 2523445717219 2604847191968 2883937962536 3116513604676 3425846204032 5046891434438 5209694383936 5453898808183 5767875925072 6233027209352 10093782868876 10419388767872 10907797616366 11535751850144 12466054418704 20187565737752 21815595232732 23071503700288 24152980436239 24932108837408 40375131475504 43631190465464 46143007400576 48305960872478 49864217674816 80750262951008 87262380930928 96611921744956 99728435349632 161500525902016 169070863053673 174524761861856 193223843489912 323001051804032 338141726107346 349049523723712 386447686979824 676283452214692 698099047447424 772895373959648 1352566904429384 1545790747919296 2705133808858768 3091581495838592 5410267617717536 10820535235435072 21641070470870144
• Sum of all divisors σ(n): 51628828670115840
• Sum of proper divisors (its aliquot sum) s(n): 29987758199245696
• 21641070470870144 is an abundant number, because the sum of its proper divisors (29987758199245696) is greater than itself. Its abundance is 8346687728375552

Bases of 21641070470870144

• Binary: 1001100111000100111000001011101111110011011010010000000₂
• Hexadecimal: 0x4CE2705DF9B480
• Base-36: 5X34AIYH37K

Squares and roots of 21641070470870144

• 21641070470870144 squared (21641070470870144²) is 468335931125167716146852510580736
• 21641070470870144 cubed (21641070470870144³) is 10135290889520340636155969987373015231432683945984
• The square root of 21641070470870144 is 147109042.7909519913
• The cube root of 21641070470870144 is 278671.7295936729

Scales and comparisons

• 21,641,070,470,870,144 seconds is equal to 688,119,100 years, 38 weeks, 6 days, 2 hours, 35 minutes, 44 seconds.
• To count from 1 to 21,641,070,470,870,144 would take you about two billion, sixty-four million, three hundred fifty-seven thousand, three hundred two 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 21641070470870144 cubic inches would be around 23222.6 feet tall.

Recreational maths with 21641070470870144

• 21641070470870144 backwards is 44107807407014612
• 21641070470870144 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21641070470870144's digits is 56
• More coming soon!