13129906

Names of 13129906

• Cardinal: 13129906 can be written as Thirteen million, one hundred twenty-nine thousand, nine hundred six.

Scientific notation

• Scientific notation: 1.3129906 × 10⁷

Factors of 13129906

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 9308

Divisors of 13129906

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 769 1538 8537 17074 6564953 13129906
• Sum of all divisors σ(n): 19722780
• Sum of proper divisors (its aliquot sum) s(n): 6592874
• 13129906 is a deficient number, because the sum of its proper divisors (6592874) is less than itself. Its deficiency is 6537032

Bases of 13129906

• Binary: 110010000101100010110010₂
• Hexadecimal: 0xC858B2
• Base-36: 7TF3M

Squares and roots of 13129906

• 13129906 squared (13129906²) is 172394431568836
• 13129906 cubed (13129906³) is 2263522681422249209416
• The square root of 13129906 is 3623.5212156133
• The cube root of 13129906 is 235.9140858391

Scales and comparisons

• 13,129,906 seconds is equal to 21 weeks, 4 days, 23 hours, 11 minutes, 46 seconds.
• To count from 1 to 13,129,906 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 13129906 cubic inches would be around 19.7 feet tall.

Recreational maths with 13129906

• 13129906 backwards is 60992131
• The number of decimal digits it has is: 8
• The sum of 13129906's digits is 31
• More coming soon!