31420307

Names of 31420307

• Cardinal: 31420307 can be written as Thirty-one million, four hundred twenty thousand, three hundred seven.

Scientific notation

• Scientific notation: 3.1420307 × 10⁷

Factors of 31420307

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 515148

Divisors of 31420307

• Number of divisors d(n): 4
• Complete list of divisors:
  1 61 515087 31420307
• Sum of all divisors σ(n): 31935456
• Sum of proper divisors (its aliquot sum) s(n): 515149
• 31420307 is a deficient number, because the sum of its proper divisors (515149) is less than itself. Its deficiency is 30905158

Bases of 31420307

• Binary: 1110111110110111110010011₂
• Hexadecimal: 0x1DF6F93
• Base-36: IPG2B

Squares and roots of 31420307

• 31420307 squared (31420307²) is 987235691974249
• 31420307 cubed (31420307³) is 31019248523188339674443
• The square root of 31420307 is 5605.3819673595
• The cube root of 31420307 is 315.5514218187

Scales and comparisons

• 31,420,307 seconds is equal to 51 weeks, 6 days, 15 hours, 51 minutes, 47 seconds.
• To count from 1 to 31,420,307 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 31420307 cubic inches would be around 26.3 feet tall.

Recreational maths with 31420307

• 31420307 backwards is 70302413
• The number of decimal digits it has is: 8
• The sum of 31420307's digits is 20
• More coming soon!