31131470

Names of 31131470

• Cardinal: 31131470 can be written as Thirty-one million, one hundred thirty-one thousand, four hundred seventy.

Scientific notation

• Scientific notation: 3.113147 × 10⁷

Factors of 31131470

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3113154

Divisors of 31131470

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 3113147 6226294 15565735 31131470
• Sum of all divisors σ(n): 56036664
• Sum of proper divisors (its aliquot sum) s(n): 24905194
• 31131470 is a deficient number, because the sum of its proper divisors (24905194) is less than itself. Its deficiency is 6226276

Bases of 31131470

• Binary: 1110110110000011101001110₂
• Hexadecimal: 0x1DB074E
• Base-36: IJ972

Squares and roots of 31131470

• 31131470 squared (31131470²) is 969168424360900
• 31131470 cubed (31131470³) is 30171637727938627523000
• The square root of 31131470 is 5579.5582262397
• The cube root of 31131470 is 314.5815220671

Scales and comparisons

• 31,131,470 seconds is equal to 51 weeks, 3 days, 7 hours, 37 minutes, 50 seconds.
• To count from 1 to 31,131,470 would take you about twenty-five weeks!

  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 31131470 cubic inches would be around 26.2 feet tall.

Recreational maths with 31131470

• 31131470 backwards is 07413113
• The number of decimal digits it has is: 8
• The sum of 31131470's digits is 20
• More coming soon!