20388376980

Names of 20388376980

• Cardinal: 20388376980 can be written as Twenty billion, three hundred eighty-eight million, three hundred seventy-six thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.038837698 × 10¹⁰

Factors of 20388376980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3653872

Divisors of 20388376980

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 155 180 186 279 310 372 465 558 620 930 1116 1395 1860 2790 5580 3653831 7307662 10961493 14615324 18269155 21922986 32884479 36538310 43845972 54807465 65768958 73076620 109614930 113268761 131537916 164422395 219229860 226537522 328844790 339806283 453075044 566343805 657689580 679612566 1019418849 1132687610 1359225132 1699031415 2038837698 2265375220 3398062830 4077675396 5097094245 6796125660 10194188490 20388376980
• Sum of all divisors σ(n): 63839752704
• Sum of proper divisors (its aliquot sum) s(n): 43451375724
• 20388376980 is an abundant number, because the sum of its proper divisors (43451375724) is greater than itself. Its abundance is 23062998744

Bases of 20388376980

• Binary: 10010111111001111011111000110010100₂
• Hexadecimal: 0x4BF3DF194
• Base-36: 9D6POD0

Squares and roots of 20388376980

• 20388376980 squared (20388376980²) is 415685915878593920400
• 20388376980 cubed (20388376980³) is 8475161158209340761451312392000
• The square root of 20388376980 is 142787.8740649919
• The cube root of 20388376980 is 2731.8753849111

Scales and comparisons

• 20,388,376,980 seconds is equal to 648 years, 14 weeks, 6 days, 14 hours, 3 minutes.
• To count from 1 to 20,388,376,980 would take you about one thousand, two hundred ninety-six 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 20388376980 cubic inches would be around 227.7 feet tall.

Recreational maths with 20388376980

• 20388376980 backwards is 08967388302
• The number of decimal digits it has is: 11
• The sum of 20388376980's digits is 54
• More coming soon!