13007631

Names of 13007631

• Cardinal: 13007631 can be written as Thirteen million, seven thousand, six hundred thirty-one.

Scientific notation

• Scientific notation: 1.3007631 × 10⁷

Factors of 13007631

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 136

Divisors of 13007631

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 21 29 31 39 53 87 91 93 159 203 217 273 371 377 403 609 651 689 899 1113 1131 1209 1537 1643 2067 2639 2697 2821 4611 4823 4929 6293 7917 8463 10759 11501 11687 14469 18879 19981 21359 32277 34503 35061 47647 59943 64077 81809 139867 142941 149513 245427 333529 419601 448539 619411 1000587 1858233 4335877 13007631
• Sum of all divisors σ(n): 23224320
• Sum of proper divisors (its aliquot sum) s(n): 10216689
• 13007631 is a deficient number, because the sum of its proper divisors (10216689) is less than itself. Its deficiency is 2790942

Bases of 13007631

• Binary: 110001100111101100001111₂
• Hexadecimal: 0xC67B0F
• Base-36: 7QSR3

Squares and roots of 13007631

• 13007631 squared (13007631²) is 169198464232161
• 13007631 cubed (13007631³) is 2200871188498648620591
• The square root of 13007631 is 3606.6093495137
• The cube root of 13007631 is 235.1794675549

Scales and comparisons

• 13,007,631 seconds is equal to 21 weeks, 3 days, 13 hours, 13 minutes, 51 seconds.
• To count from 1 to 13,007,631 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 13007631 cubic inches would be around 19.6 feet tall.

Recreational maths with 13007631

• 13007631 backwards is 13670031
• 13007631 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13007631's digits is 21
• More coming soon!