21636403913728

Names of 21636403913728

• Cardinal: 21636403913728 can be written as Twenty-one trillion, six hundred thirty-six billion, four hundred three million, nine hundred thirteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1636403913728 × 10¹³

Factors of 21636403913728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 246

Divisors of 21636403913728

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 4 8 16 17 32 34 37 64 68 74 89 101 128 136 148 178 202 256 272 296 356 404 512 544 592 629 712 808 1024 1088 1184 1258 1369 1424 1513 1616 1717 2176 2368 2516 2738 2848 3026 3232 3293 3434 3737 4352 4736 5032 5476 5696 6052 6464 6586 6868 7474 8704 8989 9472 10064 10201 10952 11392 12104 12928 13172 13736 14948 17408 17978 18944 20128 20402 21904 22784 23273 24208 25856 26344 27472 29896 35956 37888 40256 40804 43808 45568 46546 48416 51712 52688 54944 55981 59792 63529 71912 80512 81608 87616 91136 93092 96832 103424 105376 109888 111962 119584 121841 127058 138269 143824 152813 161024 163216 173417 175232 186184 193664 210752 219776 223924 239168 243682 254116 276538 287648 305626 322048 326432 332593 346834 350464 372368 377437 387328 421504 439552 447848 478336 487364 508232 553076 575296 611252 644096 652864 665186 693668 700928 744736 754874 774656 843008 879104 895696 907889 956672 974728 1016464 1106152 1150592 1222504 1305728 1330372 1387336 1401856 1489472 1509748 1549312 1686016 1758208 1791392 1815778 1913344 1949456 2032928 2071297 2212304 2301184 2350573 2445008 2611456 2660744 2774672 2978944 3019496 3372032 3582784 3631556 3826688 3898912 4065856 4142594 4424608 4602368 4701146 4890016 5222912 5321488 5549344 5654081 5957888 6038992 6416429 7165568 7263112 7797824 8131712 8285188 8849216 9204736 9402292 9780032 10445824 10642976 11098688 11308162 11915776 12077984 12305941 12832858 13965169 14331136 14526224 15434113 15595648 16263424 16570376 17698432 18804584 19560064 21285952 22197376 22616324 23831552 24155968 24611882 25665716 27930338 28662272 29052448 30868226 31191296 32526848 33140752 33591893 35396864 37609168 39120128 42571904 44394752 45232648 48311936 49223764 51331432 55860676 57324544 58104896 61736452 62382592 65053696 66281504 67183786 70793728 75218336 78240256 85143808 88789504 90465296 96623872 98447528 102662864 111721352 116209792 123472904 124765184 132563008 134367572 141587456 150436672 156480512 170287616 177579008 180930592 193247744 196895056 205325728 209200997 223442704 232419584 237407873 246945808 265126016 268735144 300873344 340575232 361861184 386495488 393790112 410651456 418401994 446885408 464839168 474815746 493891616 530252032 537470288 571062181 601746688 723722368 787580224 821302912 836803988 893770816 929678336 949631492 987783232 1060504064 1074940576 1142124362 1203493376 1242900041 1447444736 1575160448 1642605824 1673607976 1787541632 1899262984 1975566464 2121008128 2149881152 2284248724 2406986752 2485800082 2894889472 3150320896 3285211648 3347215952 3575083264 3798525968 3951132928 4299762304 4568497448 4971600164 5789778944 6300641792 6570423296 6694431904 7150166528 7597051936 7902265856 8599524608 9136994896 9943200328 12601283584 13388863808 14300333056 15194103872 15804531712 17199049216 18273989792 19886400656 21129300697 26777727616 30388207744 34398098432 36547979584 39772801312 42258601394 53555455232 60776415488 73095959168 79545602624 84517202788 107110910464 121552830976 146191918336 159091205248 169034405576 214221820928 243105661952 292383836672 318182410496 338068811152 584767673344 636364820992 676137622304 1272729641984 1352275244608 2704550489216 5409100978432 10818201956864 21636403913728
• Sum of all divisors σ(n): 48071829920940
• Sum of proper divisors (its aliquot sum) s(n): 26435426007212
• 21636403913728 is an abundant number, because the sum of its proper divisors (26435426007212) is greater than itself. Its abundance is 4799022093484

Bases of 21636403913728

• Binary: 100111010110110011110001010110110010000000000₂
• Hexadecimal: 0x13AD9E2B6400
• Base-36: 7O3MK969S

Squares and roots of 21636403913728

• 21636403913728 squared (21636403913728²) is 468133974317984315666857984
• 21636403913728 cubed (21636403913728³) is 10128735754082678887070525871238364004352
• The square root of 21636403913728 is 4651494.8042245517
• The cube root of 21636403913728 is 27865.1697759049

Scales and comparisons

• 21,636,403,913,728 seconds is equal to 687,970 years, 37 weeks, 2 days, 14 hours, 15 minutes, 28 seconds.
• To count from 1 to 21,636,403,913,728 would take you about one million, seven hundred nineteen thousand, nine hundred twenty-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 21636403913728 cubic inches would be around 2322.1 feet tall.

Recreational maths with 21636403913728

• 21636403913728 backwards is 82731930463612
• The number of decimal digits it has is: 14
• The sum of 21636403913728's digits is 55
• More coming soon!