21304015902

Names of 21304015902

• Cardinal: 21304015902 can be written as Twenty-one billion, three hundred four million, fifteen thousand, nine hundred two.

Scientific notation

• Scientific notation: 2.1304015902 × 10¹⁰

Factors of 21304015902

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 135

Divisors of 21304015902

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 6 9 13 17 18 26 27 29 34 39 51 54 58 71 78 81 87 102 117 142 153 162 174 213 221 234 261 289 306 351 377 426 442 459 493 522 578 639 663 702 754 783 867 918 923 986 1053 1131 1207 1278 1326 1377 1479 1566 1734 1846 1917 1989 2059 2106 2262 2349 2414 2601 2754 2769 2958 3393 3621 3757 3834 3978 4118 4437 4698 4913 5202 5538 5751 5967 6177 6409 6786 7242 7514 7803 8307 8381 8874 9826 10179 10863 11271 11502 11934 12354 12818 13311 14739 15606 15691 16614 16762 17901 18531 19227 20358 20519 21726 22542 23409 24921 25143 26622 26767 29478 30537 31382 32589 33813 35003 35802 37062 38454 39933 41038 44217 46818 47073 49842 50286 53534 55593 57681 61074 61557 63869 65178 67626 70006 74763 75429 79866 80301 88434 94146 97767 101439 105009 108953 111186 115362 123114 127738 132651 141219 142477 149526 150858 160602 166779 173043 184671 191607 195534 202878 210018 217906 226287 240903 265302 266747 282438 284954 304317 315027 326859 333558 346086 348823 369342 383214 397953 423657 427431 452574 455039 481806 519129 533494 554013 574821 595051 608634 630054 653718 678861 697646 722709 795906 800241 847314 854862 910078 945081 980577 1038258 1046469 1108026 1149642 1190102 1270971 1282293 1357722 1365117 1445418 1600482 1662039 1724463 1785153 1852201 1890162 1961154 2092938 2168127 2400723 2541942 2564586 2730234 2835243 2941731 3139407 3324078 3448926 3570306 3704402 3846879 4095351 4336254 4534699 4801446 5173389 5355459 5556603 5670486 5883462 6278814 7202169 7693758 7735663 8190702 8825193 9069398 9418221 10115867 10346778 10710918 11113206 11540637 12286053 13604097 14404338 15471326 16066377 16669809 17650386 18836442 20231734 21606507 23081274 23206989 24572106 27208194 28254663 30347601 32132754 33339618 36858159 40812291 43213014 46413978 48199131 50009427 56509326 60695202 69620967 73716318 81624582 91042803 96398262 100018854 122436873 131506271 139241934 150028281 182085606 208862901 244873746 263012542 273128409 300056562 367310619 394518813 417725802 546256818 626588703 734621238 789037626 819385227 1183556439 1253177406 1638770454 2367112878 3550669317 7101338634 10652007951 21304015902
• Sum of all divisors σ(n): 57300566400
• Sum of proper divisors (its aliquot sum) s(n): 35996550498
• 21304015902 is an abundant number, because the sum of its proper divisors (35996550498) is greater than itself. Its abundance is 14692534596

Bases of 21304015902

• Binary: 10011110101110100010111110000011110₂
• Hexadecimal: 0x4F5D17C1E
• Base-36: 9SBUZVI

Squares and roots of 21304015902

• 21304015902 squared (21304015902²) is 453861093552668873604
• 21304015902 cubed (21304015902³) is 9669063954345167357800044050808
• The square root of 21304015902 is 145958.9527983809
• The cube root of 21304015902 is 2772.1740417513

Scales and comparisons

• 21,304,015,902 seconds is equal to 677 years, 20 weeks, 6 days, 6 hours, 11 minutes, 42 seconds.
• To count from 1 to 21,304,015,902 would take you about one thousand, three hundred fifty-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 21304015902 cubic inches would be around 231 feet tall.

Recreational maths with 21304015902

• 21304015902 backwards is 20951040312
• 21304015902 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21304015902's digits is 27
• More coming soon!