13428649

Names of 13428649

• Cardinal: 13428649 can be written as Thirteen million, four hundred twenty-eight thousand, six hundred forty-nine.

Scientific notation

• Scientific notation: 1.3428649 × 10⁷

Factors of 13428649

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 54399

Divisors of 13428649

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 19 247 54367 706771 1032973 13428649
• Sum of all divisors σ(n): 15223040
• Sum of proper divisors (its aliquot sum) s(n): 1794391
• 13428649 is a deficient number, because the sum of its proper divisors (1794391) is less than itself. Its deficiency is 11634258

Bases of 13428649

• Binary: 110011001110011110101001₂
• Hexadecimal: 0xCCE7A9
• Base-36: 7ZTM1

Squares and roots of 13428649

• 13428649 squared (13428649²) is 180328613965201
• 13428649 cubed (13428649³) is 2421569661595182443449
• The square root of 13428649 is 3664.5121094081
• The cube root of 13428649 is 237.6899252721

Scales and comparisons

• 13,428,649 seconds is equal to 22 weeks, 1 day, 10 hours, 10 minutes, 49 seconds.
• To count from 1 to 13,428,649 would take you about thirty-three 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 13428649 cubic inches would be around 19.8 feet tall.

Recreational maths with 13428649

• 13428649 backwards is 94682431
• The number of decimal digits it has is: 8
• The sum of 13428649's digits is 37
• More coming soon!