20313790872

Names of 20313790872

• Cardinal: 20313790872 can be written as Twenty billion, three hundred thirteen million, seven hundred ninety thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.0313790872 × 10¹⁰

Factors of 20313790872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 22972

Divisors of 20313790872

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 2141 4282 6423 8564 12846 17128 20807 25692 40679 41614 51384 62421 81358 83228 122037 124842 162716 166456 244074 249684 325432 395333 488148 499368 790666 976296 1185999 1581332 2371998 3162664 4743996 9487992 44547787 89095574 133643361 178191148 267286722 356382296 534573444 846407953 1069146888 1692815906 2539223859 3385631812 5078447718 6771263624 10156895436 20313790872
• Sum of all divisors σ(n): 53484883200
• Sum of proper divisors (its aliquot sum) s(n): 33171092328
• 20313790872 is an abundant number, because the sum of its proper divisors (33171092328) is greater than itself. Its abundance is 12857301456

Bases of 20313790872

• Binary: 10010111010110010111101100110011000₂
• Hexadecimal: 0x4BACBD998
• Base-36: 9BYB1CO

Squares and roots of 20313790872

• 20313790872 squared (20313790872²) is 412650099591350520384
• 20313790872 cubed (20313790872³) is 8382487826408667131128949134848
• The square root of 20313790872 is 142526.4567440025
• The cube root of 20313790872 is 2728.5400053419

Scales and comparisons

• 20,313,790,872 seconds is equal to 645 years, 47 weeks, 4 days, 7 hours, 41 minutes, 12 seconds.
• To count from 1 to 20,313,790,872 would take you about one thousand, two hundred ninety-one 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 20313790872 cubic inches would be around 227.4 feet tall.

Recreational maths with 20313790872

• 20313790872 backwards is 27809731302
• The number of decimal digits it has is: 11
• The sum of 20313790872's digits is 42
• More coming soon!