31420129

Names of 31420129

• Cardinal: 31420129 can be written as Thirty-one million, four hundred twenty thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 3.1420129 × 10⁷

Factors of 31420129

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 127239

Divisors of 31420129

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 19 247 127207 1653691 2416933 31420129
• Sum of all divisors σ(n): 35618240
• Sum of proper divisors (its aliquot sum) s(n): 4198111
• 31420129 is a deficient number, because the sum of its proper divisors (4198111) is less than itself. Its deficiency is 27222018

Bases of 31420129

• Binary: 1110111110110111011100001₂
• Hexadecimal: 0x1DF6EE1
• Base-36: IPFXD

Squares and roots of 31420129

• 31420129 squared (31420129²) is 987224506376641
• 31420129 cubed (31420129³) is 31018721342315382806689
• The square root of 31420129 is 5605.3660897391
• The cube root of 31420129 is 315.5508259383

Scales and comparisons

• 31,420,129 seconds is equal to 51 weeks, 6 days, 15 hours, 48 minutes, 49 seconds.
• To count from 1 to 31,420,129 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 31420129 cubic inches would be around 26.3 feet tall.

Recreational maths with 31420129

• 31420129 backwards is 92102413
• The number of decimal digits it has is: 8
• The sum of 31420129's digits is 22
• More coming soon!