21108064960

Names of 21108064960

• Cardinal: 21108064960 can be written as Twenty-one billion, one hundred eight million, sixty-four thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.110806496 × 10¹⁰

Factors of 21108064960

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3880183

Divisors of 21108064960

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 136 160 170 272 320 340 544 680 1088 1360 2720 5440 3880159 7760318 15520636 19400795 31041272 38801590 62082544 65962703 77603180 124165088 131925406 155206360 248330176 263850812 310412720 329813515 527701624 620825440 659627030 1055403248 1241650880 1319254060 2110806496 2638508120 4221612992 5277016240 10554032480 21108064960
• Sum of all divisors σ(n): 53220274560
• Sum of proper divisors (its aliquot sum) s(n): 32112209600
• 21108064960 is an abundant number, because the sum of its proper divisors (32112209600) is greater than itself. Its abundance is 11004144640

Bases of 21108064960

• Binary: 10011101010001000111000001011000000₂
• Hexadecimal: 0x4EA2382C0
• Base-36: 9P3735S

Squares and roots of 21108064960

• 21108064960 squared (21108064960²) is 445550406355579801600
• 21108064960 cubed (21108064960³) is 9404706920307975310636711936000
• The square root of 21108064960 is 145286.1485483045
• The cube root of 21108064960 is 2763.6485109533

Scales and comparisons

• 21,108,064,960 seconds is equal to 671 years, 8 weeks, 6 days, 7 hours, 22 minutes, 40 seconds.
• To count from 1 to 21,108,064,960 would take you about one thousand, three hundred forty-two 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 21108064960 cubic inches would be around 230.3 feet tall.

Recreational maths with 21108064960

• 21108064960 backwards is 06946080112
• The number of decimal digits it has is: 11
• The sum of 21108064960's digits is 37
• More coming soon!