21641240445436164

Names of 21641240445436164

• Cardinal: 21641240445436164 can be written as Twenty-one quadrillion, six hundred forty-one trillion, two hundred forty billion, four hundred forty-five million, four hundred thirty-six thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 2.1641240445436164 × 10¹⁶

Factors of 21641240445436164

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 385360

Divisors of 21641240445436164

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 3433 6866 10299 10639 13732 20598 21278 24031 31917 41196 42556 48062 63834 65227 72093 74473 96124 127668 130454 144186 148946 195681 202141 223419 260908 288372 297892 371257 391362 404282 446838 456589 606423 742514 782724 808564 893676 913178 1113771 1212846 1369767 1414987 1485028 1826356 2227542 2425692 2598799 2739534 2829974 4244961 4455084 5197598 5479068 5659948 7053883 7796397 8489922 10395196 14107766 15592794 16979844 21161649 28215532 31185588 36523687 42323298 49377181 73047374 84646596 98754362 109571061 146094748 148131543 197508724 219142122 255665809 296263086 438284244 511331618 592526172 693950053 766997427 1022663236 1274525281 1387900106 1533994854 2081850159 2549050562 2775800212 3067989708 3823575843 3949803223 4163700318 4857650371 5098101124 7647151686 7899606446 8327400636 8921676967 9715300742 11849409669 14572951113 15294303372 15799212892 17843353934 19430601484 23698819338 24215980339 26765030901 27648622561 29145902226 35686707868 47397638676 48431960678 53530061802 55297245122 58291804452 72647941017 75046261237 82945867683 96863921356 107060123604 110594490244 145295882034 150092522474 165891735366 169511862373 225138783711 290591764068 300185044948 331783470732 339023724746 450277567422 508535587119 525323828659 678047449492 900555134844 1017071174238 1050647657318 1575971485977 2034142348476 2101295314636 3151942971954 6303885943908 13559674464559 27119348929118 40679023393677 54238697858236 81358046787354 94917721251913 162716093574708 189835442503826 257633814826621 284753163755739 379670885007652 515267629653242 569506327511478 772901444479863 1030535259306484 1139012655022956 1545802888959726 1803436703786347 3091605777919452 3606873407572694 5410310111359041 7213746815145388 10820620222718082 21641240445436164
• Sum of all divisors σ(n): 60770911945318400
• Sum of proper divisors (its aliquot sum) s(n): 39129671499882236
• 21641240445436164 is an abundant number, because the sum of its proper divisors (39129671499882236) is greater than itself. Its abundance is 17488431054446072

Bases of 21641240445436164

• Binary: 1001100111000101001011111110001001111111100000100000100₂
• Hexadecimal: 0x4CE297F13FC104
• Base-36: 5X36GM0XXQC

Squares and roots of 21641240445436164

• 21641240445436164 squared (21641240445436164²) is 468343288017182058020096199034896
• 21641240445436164 cubed (21641240445436164³) is 10135529706985998690827568680499038520124576378944
• The square root of 21641240445436164 is 147109620.5060571965
• The cube root of 21641240445436164 is 278672.4591783817

Scales and comparisons

• 21,641,240,445,436,164 seconds is equal to 688,124,505 years, 21 weeks, 3 days, 7 hours, 49 minutes, 24 seconds.
• To count from 1 to 21,641,240,445,436,164 would take you about two billion, sixty-four million, three hundred seventy-three thousand, five hundred sixteen 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 21641240445436164 cubic inches would be around 23222.7 feet tall.

Recreational maths with 21641240445436164

• 21641240445436164 backwards is 46163454404214612
• 21641240445436164 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21641240445436164's digits is 57
• More coming soon!