21398873864346

Names of 21398873864346

• Cardinal: 21398873864346 can be written as Twenty-one trillion, three hundred ninety-eight billion, eight hundred seventy-three million, eight hundred sixty-four thousand, three hundred forty-six.

Scientific notation

• Scientific notation: 2.1398873864346 × 10¹³

Factors of 21398873864346

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 19924

Divisors of 21398873864346

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 9 11 17 18 22 33 34 51 66 99 102 121 127 153 187 198 233 242 254 306 363 374 381 466 561 699 726 762 1089 1122 1143 1397 1398 1683 2057 2097 2159 2178 2286 2563 2794 3366 3961 4114 4191 4194 4318 5126 6171 6477 7689 7922 8382 11883 12342 12573 12954 15367 15378 18513 19431 19531 23067 23749 23766 25146 28193 29591 30734 35649 37026 38862 39062 43571 46101 46134 47498 56386 58593 59182 71247 71298 84579 87142 88773 92202 117186 130713 138303 142494 169158 175779 177546 213741 214841 253737 261239 261426 266319 276606 325501 332027 351558 392139 427482 429682 479281 503047 507474 522478 532638 644523 651002 664054 783717 784278 958562 976503 996081 1006094 1289046 1437843 1509141 1567434 1933569 1953006 1992162 2351151 2363251 2480437 2875686 2929509 2988243 3018282 3580511 3652297 3867138 4313529 4527423 4550723 4702302 4726502 4960874 5533517 5859018 5976486 7089753 7161022 7304594 7441311 8627058 9054846 9101446 10741533 10956891 11067034 13652169 14179506 14882622 16600551 21269259 21483066 21913782 22323933 27284807 27304338 32224599 32870673 33201102 40175267 40956507 42167429 42538518 44647866 49801653 50057953 54569614 60868687 64449198 65741346 77362291 80350534 81854421 81913014 84334858 99603306 100115906 120525801 121737374 126502287 150173859 154724582 163708842 182606061 232086873 241051602 245563263 253004574 300132877 300347718 361577403 365212122 379506861 450521577 463841719 464173746 491126526 547818183 550637483 577941821 600265754 696260619 723154806 759013722 850985201 900398631 901043154 927683438 1095636366 1101274966 1155883642 1391525157 1392521238 1651912449 1701970402 1733825463 1800797262 2552955603 2701195893 2783050314 3303824898 3467650926 4174575471 4955737347 5102258909 5105911206 5201476389 5402391786 6357360031 7658866809 8349150942 9360837211 9825010957 9911474694 10204517818 10402952778 12714720062 15306776727 15317733618 18721674422 19072080093 19650021914 28082511633 29475032871 30613553454 38144160186 45920330181 56165023266 57216240279 58950065742 69930960341 84247534899 88425098613 91840660362 108075120527 114432480558 139861920682 168495069798 176850197226 209792881023 216150241054 324225361581 419585762046 629378643069 648450723162 972676084743 1188826325797 1258757286138 1945352169486 2377652651594 3566478977391 7132957954782 10699436932173 21398873864346
• Sum of all divisors σ(n): 54621207373824
• Sum of proper divisors (its aliquot sum) s(n): 33222333509478
• 21398873864346 is an abundant number, because the sum of its proper divisors (33222333509478) is greater than itself. Its abundance is 11823459645132

Bases of 21398873864346

• Binary: 100110111011001010000010001100111100010011010₂
• Hexadecimal: 0x13765046789A
• Base-36: 7L2I8ZV6I

Squares and roots of 21398873864346

• 21398873864346 squared (21398873864346²) is 457911802662190311210007716
• 21398873864346 cubed (21398873864346³) is 9798796906163507355266978176829397293736
• The square root of 21398873864346 is 4625891.6831618529
• The cube root of 21398873864346 is 27762.8239791813

Scales and comparisons

• 21,398,873,864,346 seconds is equal to 680,417 years, 51 weeks, 6 days, 4 hours, 59 minutes, 6 seconds.
• To count from 1 to 21,398,873,864,346 would take you about one million, seven hundred one thousand and forty-four 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 21398873864346 cubic inches would be around 2313.6 feet tall.

Recreational maths with 21398873864346

• 21398873864346 backwards is 64346837889312
• The number of decimal digits it has is: 14
• The sum of 21398873864346's digits is 72
• More coming soon!