13448721

Names of 13448721

• Cardinal: 13448721 can be written as Thirteen million, four hundred forty-eight thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.3448721 × 10⁷

Factors of 13448721

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 126

Divisors of 13448721

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 11 13 23 29 33 39 47 69 87 141 143 253 299 319 377 429 517 611 667 759 897 957 1081 1131 1363 1551 1833 2001 3243 3289 4089 4147 6721 7337 8671 9867 11891 12441 14053 14993 17719 20163 22011 26013 31349 35673 42159 44979 53157 94047 95381 154583 194909 286143 344839 407537 463749 584727 1034517 1222611 4482907 13448721
• Sum of all divisors σ(n): 23224320
• Sum of proper divisors (its aliquot sum) s(n): 9775599
• 13448721 is a deficient number, because the sum of its proper divisors (9775599) is less than itself. Its deficiency is 3673122

Bases of 13448721

• Binary: 110011010011011000010001₂
• Hexadecimal: 0xCD3611
• Base-36: 8093L

Squares and roots of 13448721

• 13448721 squared (13448721²) is 180868096535841
• 13448721 cubed (13448721³) is 2432444568111592109361
• The square root of 13448721 is 3667.2497869655
• The cube root of 13448721 is 237.8082925303

Scales and comparisons

• 13,448,721 seconds is equal to 22 weeks, 1 day, 15 hours, 45 minutes, 21 seconds.
• To count from 1 to 13,448,721 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 13448721 cubic inches would be around 19.8 feet tall.

Recreational maths with 13448721

• 13448721 backwards is 12784431
• The number of decimal digits it has is: 8
• The sum of 13448721's digits is 30
• More coming soon!