21377427984

Names of 21377427984

• Cardinal: 21377427984 can be written as Twenty-one billion, three hundred seventy-seven million, four hundred twenty-seven thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1377427984 × 10¹⁰

Factors of 21377427984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 870

Divisors of 21377427984

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 43 44 48 54 66 72 81 86 88 99 108 129 132 144 162 172 176 198 216 258 264 297 324 344 387 396 432 473 516 528 594 648 688 774 792 811 891 946 1032 1161 1188 1296 1419 1548 1584 1622 1782 1849 1892 2064 2322 2376 2433 2838 3096 3244 3483 3564 3698 3784 4257 4644 4752 4866 5547 5676 6192 6488 6966 7128 7299 7396 7568 8514 8921 9288 9732 11094 11352 12771 12976 13932 14256 14598 14792 16641 17028 17842 18576 19464 20339 21897 22188 22704 25542 26763 27864 29196 29584 33282 34056 34873 35684 38313 38928 40678 43794 44376 49923 51084 53526 55728 58392 61017 65691 66564 68112 69746 71368 76626 80289 81356 87588 88752 99846 102168 104619 107052 116784 122034 131382 133128 139492 142736 149769 153252 160578 162712 175176 183051 199692 204336 209238 214104 240867 244068 262764 266256 278984 299538 306504 313857 321156 325424 350352 366102 383603 399384 418476 428208 481734 488136 525528 549153 557968 599076 613008 627714 642312 722601 732204 767206 798768 836952 941571 963468 976272 1051056 1098306 1150809 1198152 1255428 1284624 1445202 1464408 1499539 1534412 1647459 1673904 1883142 1926936 2196612 2301618 2396304 2510856 2824713 2890404 2928816 2999078 3068824 3294918 3452427 3766284 3853872 4393224 4498617 4603236 5021712 5649426 5780808 5998156 6137648 6589836 6904854 7532568 8786448 8997234 9206472 10357281 11298852 11561616 11996312 13179672 13495851 13809708 15065136 16494929 17994468 18412944 20714562 22597704 23992624 26359344 26991702 27619416 31071843 32989858 35988936 40487553 41429124 45195408 49484787 53983404 55238832 62143686 65979716 71977872 80975106 82858248 98969574 107966808 121462659 124287372 131959432 148454361 161950212 165716496 197939148 215933616 242925318 248574744 263918864 296908722 323900424 395878296 445363083 485850636 497149488 593817444 647800848 791756592 890726166 971701272 1187634888 1336089249 1781452332 1943402544 2375269776 2672178498 3562904664 5344356996 7125809328 10688713992 21377427984
• Sum of all divisors σ(n): 69188665392
• Sum of proper divisors (its aliquot sum) s(n): 47811237408
• 21377427984 is an abundant number, because the sum of its proper divisors (47811237408) is greater than itself. Its abundance is 26433809424

Bases of 21377427984

• Binary: 10011111010001100011010101000010000₂
• Hexadecimal: 0x4FA31AA10
• Base-36: 9TJKH00

Squares and roots of 21377427984

• 21377427984 squared (21377427984²) is 456994427211106304256
• 21377427984 cubed (21377427984³) is 9769365456794754984201032699904
• The square root of 21377427984 is 146210.2184664259
• The cube root of 21377427984 is 2775.3546275789

Scales and comparisons

• 21,377,427,984 seconds is equal to 679 years, 38 weeks, 1 day, 22 hours, 26 minutes, 24 seconds.
• To count from 1 to 21,377,427,984 would take you about one thousand, three hundred fifty-nine 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 21377427984 cubic inches would be around 231.3 feet tall.

Recreational maths with 21377427984

• 21377427984 backwards is 48972477312
• 21377427984 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21377427984's digits is 54
• More coming soon!