21120789381696

Names of 21120789381696

• Cardinal: 21120789381696 can be written as Twenty-one trillion, one hundred twenty billion, seven hundred eighty-nine million, three hundred eighty-one thousand, six hundred ninety-six.

Scientific notation

• Scientific notation: 2.1120789381696 × 10¹³

Factors of 21120789381696

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3671

Divisors of 21120789381696

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 53 64 72 96 106 144 159 192 212 288 318 424 477 576 636 848 954 1272 1696 1908 2544 2809 3392 3613 3816 5088 5618 7226 7632 8427 10176 10839 11236 14452 15264 16854 21678 22472 25281 28904 30528 32517 33708 43356 44944 50562 57808 65034 67416 86712 89888 101124 115616 130068 134832 173424 179776 191489 202248 231232 260136 269664 346848 382978 404496 520272 539328 574467 693696 765956 808992 1040544 1148934 1531912 1617984 1723401 2081088 2297868 3063824 3446802 4595736 6127648 6893604 9191472 10148917 12255296 13053769 13787208 18382944 20297834 26107538 27574416 30446751 36765888 39161307 40595668 52215076 55148832 60893502 78322614 81191336 91340253 104430152 110297664 117483921 121787004 156645228 162382672 182680506 208860304 234967842 243574008 313290456 324765344 365361012 417720608 469935684 487148016 626580912 649530688 691849757 730722024 835441216 939871368 974296032 1253161824 1383699514 1461444048 1879742736 1948592064 2075549271 2506323648 2767399028 2922888096 3759485472 4151098542 5534798056 5845776192 6226647813 7518970944 8302197084 11069596112 12453295626 16604394168 22139192224 24906591252 33208788336 36668037121 44278384448 49813182504 66417576672 73336074242 99626365008 110004111363 132835153344 146672148484 199252730016 220008222726 293344296968 330012334089 398505460032 440016445452 586688593936 660024668178 880032890904 1173377187872 1320049336356 1760065781808 2346754375744 2640098672712 3520131563616 5280197345424 7040263127232 10560394690848 21120789381696
• Sum of all divisors σ(n): 61719807710379
• Sum of proper divisors (its aliquot sum) s(n): 40599018328683
• 21120789381696 is an abundant number, because the sum of its proper divisors (40599018328683) is greater than itself. Its abundance is 19478228946987

Bases of 21120789381696

• Binary: 100110011010110010001001001100000001001000000₂
• Hexadecimal: 0x133591260240
• Base-36: 7HIR8OB40

Squares and roots of 21120789381696

• 21120789381696 squared (21120789381696²) is 446087744105962501979836416
• 21120789381696 cubed (21120789381696³) is 9421725289017935220497670352547864641536
• 21120789381696 is a perfect square number. Its square root is 4595736
• The cube root of 21120789381696 is 27642.0372946439

Scales and comparisons

• 21,120,789,381,696 seconds is equal to 671,575 years, 40 weeks, 19 hours, 21 minutes, 36 seconds.
• To count from 1 to 21,120,789,381,696 would take you about one million, six hundred seventy-eight thousand, nine hundred thirty-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 21120789381696 cubic inches would be around 2303.5 feet tall.

Recreational maths with 21120789381696

• 21120789381696 backwards is 69618398702112
• The number of decimal digits it has is: 14
• The sum of 21120789381696's digits is 63
• More coming soon!