13121449

Names of 13121449

• Cardinal: 13121449 can be written as Thirteen million, one hundred twenty-one thousand, four hundred forty-nine.

Scientific notation

• Scientific notation: 1.3121449 × 10⁷

Factors of 13121449

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 8855

Divisors of 13121449

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 137 1507 8707 95777 1192859 13121449
• Sum of all divisors σ(n): 14420448
• Sum of proper divisors (its aliquot sum) s(n): 1298999
• 13121449 is a deficient number, because the sum of its proper divisors (1298999) is less than itself. Its deficiency is 11822450

Bases of 13121449

• Binary: 110010000011011110101001₂
• Hexadecimal: 0xC837A9
• Base-36: 7T8KP

Squares and roots of 13121449

• 13121449 squared (13121449²) is 172172423859601
• 13121449 cubed (13121449³) is 2259151678880137681849
• The square root of 13121449 is 3622.3540688343
• The cube root of 13121449 is 235.8634240413

Scales and comparisons

• 13,121,449 seconds is equal to 21 weeks, 4 days, 20 hours, 50 minutes, 49 seconds.
• To count from 1 to 13,121,449 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 13121449 cubic inches would be around 19.7 feet tall.

Recreational maths with 13121449

• 13121449 backwards is 94412131
• The number of decimal digits it has is: 8
• The sum of 13121449's digits is 25
• More coming soon!