13068809

Names of 13068809

• Cardinal: 13068809 can be written as Thirteen million, sixty-eight thousand, eight hundred nine.

Scientific notation

• Scientific notation: 1.3068809 × 10⁷

Factors of 13068809

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1005306

Divisors of 13068809

• Number of divisors d(n): 4
• Complete list of divisors:
  1 13 1005293 13068809
• Sum of all divisors σ(n): 14074116
• Sum of proper divisors (its aliquot sum) s(n): 1005307
• 13068809 is a deficient number, because the sum of its proper divisors (1005307) is less than itself. Its deficiency is 12063502

Bases of 13068809

• Binary: 110001110110101000001001₂
• Hexadecimal: 0xC76A09
• Base-36: 7S3YH

Squares and roots of 13068809

• 13068809 squared (13068809²) is 170793768678481
• 13068809 cubed (13068809³) is 2232071141249250599129
• The square root of 13068809 is 3615.0807736481
• The cube root of 13068809 is 235.5475927931

Scales and comparisons

• 13,068,809 seconds is equal to 21 weeks, 4 days, 6 hours, 13 minutes, 29 seconds.
• To count from 1 to 13,068,809 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 13068809 cubic inches would be around 19.6 feet tall.

Recreational maths with 13068809

• 13068809 backwards is 90886031
• The number of decimal digits it has is: 8
• The sum of 13068809's digits is 35
• More coming soon!