13151993

Names of 13151993

• Cardinal: 13151993 can be written as Thirteen million, one hundred fifty-one thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 1.3151993 × 10⁷

Factors of 13151993

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3727

Divisors of 13151993

• Number of divisors d(n): 8
• Complete list of divisors:
  1 29 127 3571 3683 103559 453517 13151993
• Sum of all divisors σ(n): 13716480
• Sum of proper divisors (its aliquot sum) s(n): 564487
• 13151993 is a deficient number, because the sum of its proper divisors (564487) is less than itself. Its deficiency is 12587506

Bases of 13151993

• Binary: 110010001010111011111001₂
• Hexadecimal: 0xC8AEF9
• Base-36: 7TW55

Squares and roots of 13151993

• 13151993 squared (13151993²) is 172974919872049
• 13151993 cubed (13151993³) is 2274964935332749343657
• The square root of 13151993 is 3626.5676610261
• The cube root of 13151993 is 236.0462958587

Scales and comparisons

• 13,151,993 seconds is equal to 21 weeks, 5 days, 5 hours, 19 minutes, 53 seconds.
• To count from 1 to 13,151,993 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 13151993 cubic inches would be around 19.7 feet tall.

Recreational maths with 13151993

• 13151993 backwards is 39915131
• The number of decimal digits it has is: 8
• The sum of 13151993's digits is 32
• More coming soon!