31164139

Names of 31164139

• Cardinal: 31164139 can be written as Thirty-one million, one hundred sixty-four thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 3.1164139 × 10⁷

Factors of 31164139

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 31164139

Divisors of 31164139

• Number of divisors d(n): 2
• Complete list of divisors:
  1 31164139
• Sum of all divisors σ(n): 31164140
• Sum of proper divisors (its aliquot sum) s(n): 1
• 31164139 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 31164138

Bases of 31164139

• Binary: 1110110111000011011101011₂
• Hexadecimal: 0x1DB86EB
• Base-36: IJYEJ

Squares and roots of 31164139

• 31164139 squared (31164139²) is 971203559611321
• 31164139 cubed (31164139³) is 30266722729021993617619
• The square root of 31164139 is 5582.4850201321
• The cube root of 31164139 is 314.6915229865

Scales and comparisons

• 31,164,139 seconds is equal to 51 weeks, 3 days, 16 hours, 42 minutes, 19 seconds.
• To count from 1 to 31,164,139 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 31164139 cubic inches would be around 26.2 feet tall.

Recreational maths with 31164139

• 31164139 backwards is 93146113
• The number of decimal digits it has is: 8
• The sum of 31164139's digits is 28
• More coming soon!