21317227908

Names of 21317227908

• Cardinal: 21317227908 can be written as Twenty-one billion, three hundred seventeen million, two hundred twenty-seven thousand, nine hundred eight.

Scientific notation

• Scientific notation: 2.1317227908 × 10¹⁰

Factors of 21317227908

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3435

Divisors of 21317227908

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 23 41 46 69 82 92 123 138 164 246 276 492 709 943 1418 1886 2127 2657 2829 2836 3772 4254 5314 5658 7971 8508 10628 11316 15942 16307 29069 31884 32614 48921 58138 61111 65228 87207 97842 108937 116276 122222 174414 183333 195684 217874 244444 326811 348828 366666 435748 653622 668587 733332 1307244 1337174 1883813 2005761 2505551 2674348 3767626 4011522 5011102 5651439 7516653 7535252 8023044 10022204 11302878 15033306 22605756 30066612 43327699 77236333 86655398 129983097 154472666 173310796 231708999 259966194 308945332 463417998 519932388 926835996 1776435659 3552871318 5329306977 7105742636 10658613954 21317227908
• Sum of all divisors σ(n): 53263768320
• Sum of proper divisors (its aliquot sum) s(n): 31946540412
• 21317227908 is an abundant number, because the sum of its proper divisors (31946540412) is greater than itself. Its abundance is 10629312504

Bases of 21317227908

• Binary: 10011110110100110110001010110000100₂
• Hexadecimal: 0x4F69B1584
• Base-36: 9SJQ6BO

Squares and roots of 21317227908

• 21317227908 squared (21317227908²) is 454424205681614056464
• 21317227908 cubed (21317227908³) is 9687064359426835326939468597312
• The square root of 21317227908 is 146004.2051038257
• The cube root of 21317227908 is 2772.7469918071

Scales and comparisons

• 21,317,227,908 seconds is equal to 677 years, 42 weeks, 5 days, 4 hours, 11 minutes, 48 seconds.
• To count from 1 to 21,317,227,908 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 21317227908 cubic inches would be around 231.1 feet tall.

Recreational maths with 21317227908

• 21317227908 backwards is 80972271312
• The number of decimal digits it has is: 11
• The sum of 21317227908's digits is 42
• More coming soon!