31400964

Names of 31400964

• Cardinal: 31400964 can be written as Thirty-one million, four hundred thousand, nine hundred sixty-four.

Scientific notation

• Scientific notation: 3.1400964 × 10⁷

Factors of 31400964

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2555

Divisors of 31400964

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 343 441 588 686 882 1029 1372 1764 2058 2543 3087 4116 5086 6174 7629 10172 12348 15258 17801 22887 30516 35602 45774 53403 71204 91548 106806 124607 160209 213612 249214 320418 373821 498428 640836 747642 872249 1121463 1495284 1744498 2242926 2616747 3488996 4485852 5233494 7850241 10466988 15700482 31400964
• Sum of all divisors σ(n): 92601600
• Sum of proper divisors (its aliquot sum) s(n): 61200636
• 31400964 is an abundant number, because the sum of its proper divisors (61200636) is greater than itself. Its abundance is 29799672

Bases of 31400964

• Binary: 1110111110010010000000100₂
• Hexadecimal: 0x1DF2404
• Base-36: IP150

Squares and roots of 31400964

• 31400964 squared (31400964²) is 986020540129296
• 31400964 cubed (31400964³) is 30961995483860579041344
• The square root of 31400964 is 5603.6563063771
• The cube root of 31400964 is 315.4866551687

Scales and comparisons

• 31,400,964 seconds is equal to 51 weeks, 6 days, 10 hours, 29 minutes, 24 seconds.
• To count from 1 to 31,400,964 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 31400964 cubic inches would be around 26.3 feet tall.

Recreational maths with 31400964

• 31400964 backwards is 46900413
• The number of decimal digits it has is: 8
• The sum of 31400964's digits is 27
• More coming soon!