31902021379

Names of 31902021379

• Cardinal: 31902021379 can be written as Thirty-one billion, nine hundred two million, twenty-one thousand, three hundred seventy-nine.

Scientific notation

• Scientific notation: 3.1902021379 × 10¹⁰

Factors of 31902021379

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 558738

Divisors of 31902021379

• Number of divisors d(n): 6
• Complete list of divisors:
  1 239 57121 558499 133481261 31902021379
• Sum of all divisors σ(n): 32036118500
• Sum of proper divisors (its aliquot sum) s(n): 134097121
• 31902021379 is a deficient number, because the sum of its proper divisors (134097121) is less than itself. Its deficiency is 31767924258

Bases of 31902021379

• Binary: 11101101101100000100011011100000011₂
• Hexadecimal: 0x76D823703
• Base-36: ENLN18J

Squares and roots of 31902021379

• 31902021379 squared (31902021379²) is 1017738968066173061641
• 31902021379 cubed (31902021379³) is 32467930317488451299185066822939
• The square root of 31902021379 is 178611.3696800963
• The cube root of 31902021379 is 3171.5585544869

Scales and comparisons

• 31,902,021,379 seconds is equal to 1,014 years, 20 weeks, 8 hours, 36 minutes, 19 seconds.
• To count from 1 to 31,902,021,379 would take you about two thousand and twenty-eight 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 31902021379 cubic inches would be around 264.3 feet tall.

Recreational maths with 31902021379

• 31902021379 backwards is 97312020913
• The number of decimal digits it has is: 11
• The sum of 31902021379's digits is 37
• More coming soon!