13001531

Names of 13001531

• Cardinal: 13001531 can be written as Thirteen million, one thousand, five hundred thirty-one.

Scientific notation

• Scientific notation: 1.3001531 × 10⁷

Factors of 13001531

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 13001531

Divisors of 13001531

• Number of divisors d(n): 2
• Complete list of divisors:
  1 13001531
• Sum of all divisors σ(n): 13001532
• Sum of proper divisors (its aliquot sum) s(n): 1
• 13001531 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13001530

Bases of 13001531

• Binary: 110001100110001100111011₂
• Hexadecimal: 0xC6633B
• Base-36: 7QO1N

Squares and roots of 13001531

• 13001531 squared (13001531²) is 169039808343961
• 13001531 cubed (13001531³) is 2197776308418067604291
• The square root of 13001531 is 3605.7635807135
• The cube root of 13001531 is 235.1426989057

Scales and comparisons

• 13,001,531 seconds is equal to 21 weeks, 3 days, 11 hours, 32 minutes, 11 seconds.
• To count from 1 to 13,001,531 would take you about thirty-two 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 13001531 cubic inches would be around 19.6 feet tall.

Recreational maths with 13001531

• 13001531 backwards is 13510031
• 13001531 is a twin prime! Its twin is 13001533
• The number of decimal digits it has is: 8
• The sum of 13001531's digits is 14
• More coming soon!