13117729

Names of 13117729

• Cardinal: 13117729 can be written as Thirteen million, one hundred seventeen thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.3117729 × 10⁷

Factors of 13117729

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 195854

Divisors of 13117729

• Number of divisors d(n): 4
• Complete list of divisors:
  1 67 195787 13117729
• Sum of all divisors σ(n): 13313584
• Sum of proper divisors (its aliquot sum) s(n): 195855
• 13117729 is a deficient number, because the sum of its proper divisors (195855) is less than itself. Its deficiency is 12921874

Bases of 13117729

• Binary: 110010000010100100100001₂
• Hexadecimal: 0xC82921
• Base-36: 7T5PD

Squares and roots of 13117729

• 13117729 squared (13117729²) is 172074814117441
• 13117729 cubed (13117729³) is 2257230779317965211489
• The square root of 13117729 is 3621.8405541935
• The cube root of 13117729 is 235.8411324265

Scales and comparisons

• 13,117,729 seconds is equal to 21 weeks, 4 days, 19 hours, 48 minutes, 49 seconds.
• To count from 1 to 13,117,729 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 13117729 cubic inches would be around 19.7 feet tall.

Recreational maths with 13117729

• 13117729 backwards is 92771131
• The number of decimal digits it has is: 8
• The sum of 13117729's digits is 31
• More coming soon!