21305926831363272

Names of 21305926831363272

• Cardinal: 21305926831363272 can be written as Twenty-one quadrillion, three hundred five trillion, nine hundred twenty-six billion, eight hundred thirty-one million, three hundred sixty-three thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.1305926831363272 × 10¹⁶

Factors of 21305926831363272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 16654

Divisors of 21305926831363272

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 126 147 149 168 196 252 294 298 392 441 447 504 588 596 882 894 1043 1176 1192 1341 1764 1788 2086 2682 3129 3528 3576 4172 5364 6258 7301 8344 9387 10728 12516 14602 16493 18774 21903 22201 25032 29204 32986 37548 43806 44402 49479 58408 65709 65972 66603 75096 87612 88804 98958 115451 131418 131944 133206 148437 155407 175224 177608 197916 199809 230902 262836 266412 296874 310814 346353 395832 399618 461804 466221 525672 532824 593748 621628 692706 799236 808157 923608 932442 1039059 1087849 1187496 1243256 1385412 1398663 1598472 1616314 1864884 2078118 2175698 2424471 2457457 2770824 2797326 3232628 3263547 3729768 4156236 4351396 4848942 4914914 5594652 6465256 6527094 7273413 7372371 8312472 8702792 9697884 9790641 9829828 11189304 13054188 14546826 14744742 17202199 19395768 19581282 19659656 22117113 26108376 29093652 29489484 34404398 39162564 44234226 51606597 58187304 58978968 68808796 78325128 88468452 103213194 120415393 137617592 154819791 176936904 206426388 240830786 272019049 309639582 361246179 366161093 412852776 481661572 544038098 619279164 722492358 732322186 816057147 963323144 1083738537 1088076196 1098483279 1238558328 1444984716 1464644372 1632114294 1904133343 2167477074 2176152392 2196966558 2448171441 2563127651 2889969432 2929288744 3264228588 3295449837 3808266686 4334954148 4393933116 4896342882 5126255302 5712400029 6528457176 6590899674 7616533372 7689382953 8669908296 8787866232 9792685764 10252510604 11424800058 13181799348 13328933401 15233066744 15378765906 17137200087 17941893557 19585371528 20505021208 22849600116 23068148859 26363598696 26657866802 30757531812 34274400174 35883787114 39986800203 40530838301 45699200232 46136297718 53315733604 53825680671 61515063624 68548800348 71767574228 79973600406 81061676602 92272595436 106631467208 107651361342 119960400609 121592514903 137097600696 143535148456 159947200812 161477042013 162123353204 184545190872 215302722684 239920801218 243185029806 283715868107 319894401624 322954084026 324246706408 364777544709 430605445368 479841602436 486370059612 567431736214 645908168052 729555089418 851147604321 959683204872 972740119224 1134863472428 1291816336104 1459110178836 1702295208642 1986011076749 2269726944856 2553442812963 2918220357672 3404590417284 3972022153498 5106885625926 5958033230247 6039094906849 6809180834568 7944044306996 10213771251852 11916066460494 12078189813698 15888088613992 17874099690741 18117284720547 20427542503704 23832132920988 24156379627396 35748199381482 36234569441094 42273664347943 47664265841976 48312759254792 54351854161641 71496398762964 72469138882188 84547328695886 108703708323282 126820993043829 142992797525928 144938277764376 169094657391772 217407416646564 253641986087658 295915650435601 338189314783544 380462979131487 434814833293128 507283972175316 591831300871202 760925958262974 887746951306803 1014567944350632 1183662601742404 1521851916525948 1775493902613606 2367325203484808 2663240853920409 3043703833051896 3550987805227212 5326481707840818 7101975610454424 10652963415681636 21305926831363272
• Sum of all divisors σ(n): 67582161276006195
• Sum of proper divisors (its aliquot sum) s(n): 46276234444642923
• 21305926831363272 is an abundant number, because the sum of its proper divisors (46276234444642923) is greater than itself. Its abundance is 24970307613279651

Bases of 21305926831363272

• Binary: 1001011101100011010000010101000011001001101010011001000₂
• Hexadecimal: 0x4BB1A0A864D4C8
• Base-36: 5TSBJNWNXE0

Squares and roots of 21305926831363272

• 21305926831363272 squared (21305926831363272²) is 453942518143405395864634030545984
• 21305926831363272 cubed (21305926831363272³) is 9671666077208189935913473800371891418441204699648
• The square root of 21305926831363272 is 145965498.7706453597
• The cube root of 21305926831363272 is 277225.6925504669

Scales and comparisons

• 21,305,926,831,363,272 seconds is equal to 677,462,569 years, 35 weeks, 2 days, 1 minute, 12 seconds.
• To count from 1 to 21,305,926,831,363,272 would take you about two billion, thirty-two million, three hundred eighty-seven thousand, seven hundred nine 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 21305926831363272 cubic inches would be around 23102.1 feet tall.

Recreational maths with 21305926831363272

• 21305926831363272 backwards is 27236313862950312
• 21305926831363272 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21305926831363272's digits is 63
• More coming soon!