21310849288

Names of 21310849288

• Cardinal: 21310849288 can be written as Twenty-one billion, three hundred ten million, eight hundred forty-nine thousand, two hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1310849288 × 10¹⁰

Factors of 21310849288

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 701

Divisors of 21310849288

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 29 53 58 106 116 212 232 424 617 1234 1537 2468 2809 3074 4936 5618 6148 11236 12296 17893 22472 32701 35786 65402 71572 81461 130804 143144 148877 162922 261608 297754 325844 595508 651688 948329 1191016 1733153 1896658 3466306 3793316 4317433 6932612 7586632 8634866 13865224 17269732 34539464 50261437 91857109 100522874 183714218 201045748 367428436 402091496 734856872 2663856161 5327712322 10655424644 21310849288
• Sum of all divisors σ(n): 42198894000
• Sum of proper divisors (its aliquot sum) s(n): 20888044712
• 21310849288 is a deficient number, because the sum of its proper divisors (20888044712) is less than itself. Its deficiency is 422804576

Bases of 21310849288

• Binary: 10011110110001110011100000100001000₂
• Hexadecimal: 0x4F639C108
• Base-36: 9SFXGJS

Squares and roots of 21310849288

• 21310849288 squared (21310849288²) is 454152297375850106944
• 21310849288 cubed (21310849288³) is 9678371163175699519962266255872
• The square root of 21310849288 is 145982.3595096339
• The cube root of 21310849288 is 2772.4704070055

Scales and comparisons

• 21,310,849,288 seconds is equal to 677 years, 32 weeks, 1 day, 8 hours, 21 minutes, 28 seconds.
• To count from 1 to 21,310,849,288 would take you about one thousand, three hundred fifty-five 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 21310849288 cubic inches would be around 231 feet tall.

Recreational maths with 21310849288

• 21310849288 backwards is 88294801312
• The number of decimal digits it has is: 11
• The sum of 21310849288's digits is 46
• More coming soon!