31423007

Names of 31423007

• Cardinal: 31423007 can be written as Thirty-one million, four hundred twenty-three thousand and seven.

Scientific notation

• Scientific notation: 3.1423007 × 10⁷

Factors of 31423007

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 408109

Divisors of 31423007

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 11 77 408091 2856637 4489001 31423007
• Sum of all divisors σ(n): 39176832
• Sum of proper divisors (its aliquot sum) s(n): 7753825
• 31423007 is a deficient number, because the sum of its proper divisors (7753825) is less than itself. Its deficiency is 23669182

Bases of 31423007

• Binary: 1110111110111101000011111₂
• Hexadecimal: 0x1DF7A1F
• Base-36: IPI5B

Squares and roots of 31423007

• 31423007 squared (31423007²) is 987405368922049
• 31423007 cubed (31423007³) is 31027245819475128181343
• The square root of 31423007 is 5605.6228021515
• The cube root of 31423007 is 315.5604601819

Scales and comparisons

• 31,423,007 seconds is equal to 51 weeks, 6 days, 16 hours, 36 minutes, 47 seconds.
• To count from 1 to 31,423,007 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 31423007 cubic inches would be around 26.3 feet tall.

Recreational maths with 31423007

• 31423007 backwards is 70032413
• The number of decimal digits it has is: 8
• The sum of 31423007's digits is 20
• More coming soon!