13040812

Names of 13040812

• Cardinal: 13040812 can be written as Thirteen million, forty thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 1.3040812 × 10⁷

Factors of 13040812

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3260205

Divisors of 13040812

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 3260203 6520406 13040812
• Sum of all divisors σ(n): 22821428
• Sum of proper divisors (its aliquot sum) s(n): 9780616
• 13040812 is a deficient number, because the sum of its proper divisors (9780616) is less than itself. Its deficiency is 3260196

Bases of 13040812

• Binary: 110001101111110010101100₂
• Hexadecimal: 0xC6FCAC
• Base-36: 7RICS

Squares and roots of 13040812

• 13040812 squared (13040812²) is 170062777619344
• 13040812 cubed (13040812³) is 2217756711131672667328
• The square root of 13040812 is 3611.2064466049
• The cube root of 13040812 is 235.3792698613

Scales and comparisons

• 13,040,812 seconds is equal to 21 weeks, 3 days, 22 hours, 26 minutes, 52 seconds.
• To count from 1 to 13,040,812 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 13040812 cubic inches would be around 19.6 feet tall.

Recreational maths with 13040812

• 13040812 backwards is 21804031
• The number of decimal digits it has is: 8
• The sum of 13040812's digits is 19
• More coming soon!