20721970129322

Names of 20721970129322

• Cardinal: 20721970129322 can be written as Twenty trillion, seven hundred twenty-one billion, nine hundred seventy million, one hundred twenty-nine thousand, three hundred twenty-two.

Scientific notation

• Scientific notation: 2.0721970129322 × 10¹³

Factors of 20721970129322

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1230

Divisors of 20721970129322

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 7 11 14 22 23 46 49 77 98 121 154 161 242 253 322 506 529 539 847 1058 1078 1127 1187 1331 1694 1771 2254 2374 2662 2783 3542 3703 5566 5819 5929 7406 8309 9317 11638 11858 12167 12397 13057 14641 16618 18634 19481 24334 24794 25921 26114 27301 29282 30613 38962 40733 51842 54602 58163 61226 64009 65219 81466 85169 91399 102487 116326 128018 130438 133837 136367 143627 170338 182798 191107 204974 214291 267674 272734 285131 287254 300311 336743 382214 428582 448063 570262 596183 600622 627923 639793 673486 704099 717409 896126 936859 1005389 1192366 1255846 1279586 1337749 1408198 1434818 1472207 1500037 1579897 1873718 2010778 2102177 2357201 2675498 2944414 3000074 3136441 3159794 3303421 4204354 4395461 4714402 4928693 6272882 6558013 6606842 6907153 7037723 7745089 8790922 9857386 10305449 11059279 13116026 13814306 14075446 14442229 14715239 15490178 16194277 16500407 17378867 20610898 22118558 23123947 28884458 29430478 30768227 32388554 33000814 34500851 34757734 36337631 46247894 48350071 54215623 61536454 69001702 72138143 72675262 75978683 77414953 96700142 101095603 108431246 113359939 121652069 144276286 151957366 154829906 158864519 161867629 178137047 202191206 226719878 243304138 254363417 317729038 323735258 338450497 356274094 379509361 399713941 508726834 531850781 676900994 707669221 759018722 793519573 799427882 835765513 851564483 1063701562 1112051633 1246959329 1415338442 1587039146 1671531026 1703128966 1747509709 1780543919 2224103266 2493918658 2797997587 3495019418 3561087838 3722955467 5595995174 5850358591 7445910934 7784361431 8728715303 9193420643 11700717182 12232567963 15568722862 17457430606 18386841286 19222606799 19585983109 24465135926 38445213598 39171966218 40952510137 64353944501 81905020274 85627975741 128707889002 134558247593 171255951482 211448674789 269116495186 422897349578 450477611507 900955223014 941907733151 1480140723523 1883815466302 2960281447046 10360985064661 20721970129322
• Sum of all divisors σ(n): 41616005428800
• Sum of proper divisors (its aliquot sum) s(n): 20894035299478
• 20721970129322 is an abundant number, because the sum of its proper divisors (20894035299478) is greater than itself. Its abundance is 172065170156

Bases of 20721970129322

• Binary: 100101101100010110101101010110010100110101010₂
• Hexadecimal: 0x12D8B5AB29AA
• Base-36: 7CFJHZMI2

Squares and roots of 20721970129322

• 20721970129322 squared (20721970129322²) is 429400046040513225404179684
• 20721970129322 cubed (20721970129322³) is 8898014927581006595479900622176805094248
• The square root of 20721970129322 is 4552139.0718344711
• The cube root of 20721970129322 is 27466.9443613149

Scales and comparisons

• 20,721,970,129,322 seconds is equal to 658,894 years, 28 weeks, 5 days, 5 hours, 42 minutes, 2 seconds.
• To count from 1 to 20,721,970,129,322 would take you about one million, six hundred forty-seven thousand, two hundred thirty-six 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 20721970129322 cubic inches would be around 2288.9 feet tall.

Recreational maths with 20721970129322

• 20721970129322 backwards is 22392107912702
• The number of decimal digits it has is: 14
• The sum of 20721970129322's digits is 47
• More coming soon!