131397739902

Names of 131397739902

• Cardinal: 131397739902 can be written as One hundred thirty-one billion, three hundred ninety-seven million, seven hundred thirty-nine thousand, nine hundred two.

Scientific notation

• Scientific notation: 1.31397739902 × 10¹¹

Factors of 131397739902

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 51048102

Divisors of 131397739902

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 11 13 18 22 26 33 39 66 78 99 117 143 198 234 286 429 858 1287 2574 51048073 102096146 153144219 306288438 459432657 561528803 663624949 918865314 1123057606 1327249898 1684586409 1990874847 3369172818 3981749694 5053759227 5972624541 7299874439 10107518454 11945249082 14599748878 21899623317 43799246634 65698869951 131397739902
• Sum of all divisors σ(n): 334466980848
• Sum of proper divisors (its aliquot sum) s(n): 203069240946
• 131397739902 is an abundant number, because the sum of its proper divisors (203069240946) is greater than itself. Its abundance is 71671501044

Bases of 131397739902

• Binary: 1111010010111111010100110010101111110₂
• Hexadecimal: 0x1E97EA657E
• Base-36: 1OD2TKZI

Squares and roots of 131397739902

• 131397739902 squared (131397739902²) is 17265366051353642969604
• 131397739902 cubed (131397739902³) is 2268630077728586753940197283938808
• The square root of 131397739902 is 362488.2617437425
• The cube root of 131397739902 is 5083.8878918913

Scales and comparisons

• 131,397,739,902 seconds is equal to 4,178 years, 2 weeks, 1 day, 4 hours, 11 minutes, 42 seconds.
• To count from 1 to 131,397,739,902 would take you about eight thousand, three hundred fifty-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 131397739902 cubic inches would be around 423.7 feet tall.

Recreational maths with 131397739902

• 131397739902 backwards is 209937793131
• The number of decimal digits it has is: 12
• The sum of 131397739902's digits is 54
• More coming soon!