21382188043077972

Names of 21382188043077972

• Cardinal: 21382188043077972 can be written as Twenty-one quadrillion, three hundred eighty-two trillion, one hundred eighty-eight billion, forty-three million, seventy-seven thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 2.1382188043077972 × 10¹⁶

Factors of 21382188043077972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4022605289

Divisors of 21382188043077972

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 31 33 36 44 62 66 93 99 124 132 186 198 279 341 372 396 433 558 682 866 1023 1116 1299 1364 1732 2046 2598 3069 3897 4092 4763 5196 6138 7794 9526 12276 13423 14289 15588 19052 26846 28578 40269 42867 53692 57156 80538 85734 120807 147653 161076 171468 241614 295306 442959 483228 590612 885918 1328877 1771836 2657754 5315508 4022604809 8045209618 12067814427 16090419236 24135628854 36203443281 44248652899 48271257708 72406886562 88497305798 124700749079 132745958697 144813773124 176994611596 249401498158 265491917394 374102247237 398237876091 498802996316 530983834788 748204494474 796475752182 1122306741711 1371708239869 1496408988948 1592951504364 1741787882297 2244613483422 2743416479738 3483575764594 4115124719607 4489226966844 5225363646891 5486832959476 6967151529188 8230249439214 10450727293782 12345374158821 15676090940673 16460498878428 19159666705267 20901454587564 24690748317642 31352181881346 38319333410534 49381496635284 53995424351207 57479000115801 62704363762692 76638666821068 107990848702414 114958000231602 161986273053621 172437000347403 215981697404828 229916000463204 323972546107242 344874000694806 485958819160863 593949667863277 647945092214484 689748001389612 971917638321726 1187899335726554 1781849003589831 1943835276643452 2375798671453108 3563698007179662 5345547010769493 7127396014359324 10691094021538986 21382188043077972
• Sum of all divisors σ(n): 61005601676597760
• Sum of proper divisors (its aliquot sum) s(n): 39623413633519788
• 21382188043077972 is an abundant number, because the sum of its proper divisors (39623413633519788) is greater than itself. Its abundance is 18241225590441816

Bases of 21382188043077972

• Binary: 1001011111101101111110010011010110101000000100101010100₂
• Hexadecimal: 0x4BF6FC9AD40954
• Base-36: 5UJCPKX4310

Squares and roots of 21382188043077972

• 21382188043077972 squared (21382188043077972²) is 457197965509546593781183671632784
• 21382188043077972 cubed (21382188043077972³) is 9775892871437802219666114028983658784846263434048
• The square root of 21382188043077972 is 146226495.6944464699
• The cube root of 21382188043077972 is 277556.0606077543

Scales and comparisons

• 21,382,188,043,077,972 seconds is equal to 679,887,440 years, 16 weeks, 4 days, 8 hours, 46 minutes, 12 seconds.
• To count from 1 to 21,382,188,043,077,972 would take you about two billion, thirty-nine million, six hundred sixty-two thousand, three hundred twenty 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 21382188043077972 cubic inches would be around 23129.7 feet tall.

Recreational maths with 21382188043077972

• 21382188043077972 backwards is 27977034088128312
• The number of decimal digits it has is: 17
• The sum of 21382188043077972's digits is 72
• More coming soon!