20509498617840

Names of 20509498617840

• Cardinal: 20509498617840 can be written as Twenty trillion, five hundred nine billion, four hundred ninety-eight million, six hundred seventeen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.050949861784 × 10¹³

Factors of 20509498617840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 411

Divisors of 20509498617840

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 240 243 270 324 360 401 405 432 486 540 648 720 729 802 810 972 1080 1203 1215 1296 1458 1604 1620 1944 2005 2160 2187 2406 2430 2916 3208 3240 3609 3645 3888 4010 4374 4812 4860 5832 6015 6416 6480 6561 7218 7290 8020 8748 9624 9720 10827 10935 11664 12030 13122 14436 14580 16040 17496 18045 19248 19440 19683 21654 21870 24060 26244 28872 29160 32080 32481 32805 34992 36090 39366 43308 43740 48120 52488 54135 57744 58320 59049 64962 65610 72180 78732 86616 87480 96240 97443 98415 104976 108270 118098 129924 131220 144360 157464 160801 162405 173232 174960 177147 194886 196830 216540 236196 259848 262440 288720 292329 295245 314928 321602 324810 354294 389772 393660 433080 472392 482403 487215 519696 524880 531441 584658 590490 643204 649620 708588 779544 787320 804005 866160 876987 885735 944784 964806 974430 1062882 1169316 1180980 1286408 1299240 1417176 1447209 1461645 1559088 1574640 1594323 1608010 1753974 1771470 1929612 1948860 2125764 2338632 2361960 2412015 2572816 2598480 2630961 2657205 2834352 2894418 2923290 3188646 3216020 3507948 3542940 3859224 3897720 4251528 4341627 4384935 4677264 4723920 4824030 5261922 5314410 5788836 5846580 6377292 6432040 7015896 7085880 7236045 7718448 7795440 7892883 7971615 8503056 8683254 8769870 9648060 10523844 10628820 11577672 11693160 12754584 12864080 13024881 13154805 14031792 14171760 14472090 15785766 15943230 17366508 17539740 19296120 21047688 21257640 21708135 23155344 23386320 23678649 25509168 26049762 26309610 28944180 31571532 31886460 34733016 35079480 38592240 39074643 39464415 42095376 42515280 43416270 47357298 52099524 52619220 57888360 63143064 63772920 65124405 69466032 70158960 71035947 78149286 78928830 86832540 94714596 104199048 105238440 115776720 117223929 118393245 126286128 127545840 130248810 142071894 156298572 157857660 173665080 189429192 195373215 208398096 210476880 213107841 234447858 236786490 260497620 284143788 312597144 315715320 347330160 351671787 355179735 378858384 390746430 426215682 468895716 473572980 520995240 568287576 586119645 625194288 631430640 639323523 703343574 710359470 781492860 852431364 937791432 947145960 1041990480 1055015361 1065539205 1136575152 1172239290 1278647046 1406687148 1420718940 1562985720 1704862728 1758358935 1875582864 1894291920 2110030722 2131078410 2344478580 2557294092 2813374296 2841437880 3125971440 3165046083 3196617615 3409725456 3516717870 4220061444 4262156820 4688957160 5114588184 5275076805 5626748592 5682875760 6330092166 6393235230 7033435740 8440122888 8524313640 9377914320 9495138249 10229176368 10550153610 12660184332 12786470460 14066871480 15825230415 16880245776 17048627280 18990276498 21100307220 25320368664 25572940920 28133742960 28485414747 31650460830 37980552996 42200614440 47475691245 50640737328 51145881840 56970829494 63300921660 75961105992 84401228880 85456244241 94951382490 113941658988 126601843320 142427073735 151922211984 170912488482 189902764980 227883317976 253203686640 256368732723 284854147470 341824976964 379805529960 427281221205 455766635952 512737465446 569708294940 683649953928 759611059920 854562442410 1025474930892 1139416589880 1281843663615 1367299907856 1709124884820 2050949861784 2278833179760 2563687327230 3418249769640 4101899723568 5127374654460 6836499539280 10254749308920 20509498617840
• Sum of all divisors σ(n): 71705677516872
• Sum of proper divisors (its aliquot sum) s(n): 51196178899032
• 20509498617840 is an abundant number, because the sum of its proper divisors (51196178899032) is greater than itself. Its abundance is 30686680281192

Bases of 20509498617840

• Binary: 100101010011100111101011000010010111111110000₂
• Hexadecimal: 0x12A73D612FF0
• Base-36: 79PXLXR00

Squares and roots of 20509498617840

• 20509498617840 squared (20509498617840²) is 420639533555180870366265600
• 20509498617840 cubed (20509498617840³) is 8627105932058844362148132537762338304000
• The square root of 20509498617840 is 4528741.3944538719
• The cube root of 20509498617840 is 27372.7447635231

Scales and comparisons

• 20,509,498,617,840 seconds is equal to 652,138 years, 32 weeks, 5 hours, 24 minutes.
• To count from 1 to 20,509,498,617,840 would take you about one million, six hundred thirty thousand, three hundred forty-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 20509498617840 cubic inches would be around 2281.1 feet tall.

Recreational maths with 20509498617840

• 20509498617840 backwards is 04871689490502
• The number of decimal digits it has is: 14
• The sum of 20509498617840's digits is 63
• More coming soon!