21037775319438

Names of 21037775319438

• Cardinal: 21037775319438 can be written as Twenty-one trillion, thirty-seven billion, seven hundred seventy-five million, three hundred nineteen thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 2.1037775319438 × 10¹³

Factors of 21037775319438

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4165401

Divisors of 21037775319438

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 19 38 57 73 114 146 219 438 607 1214 1387 1821 2774 3642 4161 8322 11533 23066 34599 44311 69198 88622 132933 265866 841909 1683818 2525727 4164697 5051454 8329394 12494091 24988182 79129243 158258486 237387729 304022881 474775458 608045762 912068643 1824137286 2527971079 5055942158 5776434739 7583913237 11552869478 15167826474 17329304217 34658608434 48031450501 96062901002 144094351503 184541888767 288188703006 369083777534 553625666301 1107251332602 3506295886573 7012591773146 10518887659719 21037775319438
• Sum of all divisors σ(n): 44970742179840
• Sum of proper divisors (its aliquot sum) s(n): 23932966860402
• 21037775319438 is an abundant number, because the sum of its proper divisors (23932966860402) is greater than itself. Its abundance is 2895191540964

Bases of 21037775319438

• Binary: 100110010001000111101000111111111000110001110₂
• Hexadecimal: 0x13223D1FF18E
• Base-36: 7GGMC8UQ6

Squares and roots of 21037775319438

• 21037775319438 squared (21037775319438²) is 442587990391154642940635844
• 21037775319438 cubed (21037775319438³) is 9311066700930695842960092074677932735672
• The square root of 21037775319438 is 4586695.4683560583
• The cube root of 21037775319438 is 27605.7745913869

Scales and comparisons

• 21,037,775,319,438 seconds is equal to 668,936 years, 9 weeks, 2 days, 21 hours, 37 minutes, 18 seconds.
• To count from 1 to 21,037,775,319,438 would take you about one million, six hundred seventy-two thousand, three hundred forty 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 21037775319438 cubic inches would be around 2300.5 feet tall.

Recreational maths with 21037775319438

• 21037775319438 backwards is 83491357773012
• The number of decimal digits it has is: 14
• The sum of 21037775319438's digits is 60
• More coming soon!