13225990

Names of 13225990

• Cardinal: 13225990 can be written as Thirteen million, two hundred twenty-five thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.322599 × 10⁷

Factors of 13225990

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1322606

Divisors of 13225990

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 1322599 2645198 6612995 13225990
• Sum of all divisors σ(n): 23806800
• Sum of proper divisors (its aliquot sum) s(n): 10580810
• 13225990 is a deficient number, because the sum of its proper divisors (10580810) is less than itself. Its deficiency is 2645180

Bases of 13225990

• Binary: 110010011101000000000110₂
• Hexadecimal: 0xC9D006
• Base-36: 7VH8M

Squares and roots of 13225990

• 13225990 squared (13225990²) is 174926811480100
• 13225990 cubed (13225990³) is 2313580259367687799000
• The square root of 13225990 is 3636.7554220763
• The cube root of 13225990 is 236.4881569547

Scales and comparisons

• 13,225,990 seconds is equal to 21 weeks, 6 days, 1 hour, 53 minutes, 10 seconds.
• To count from 1 to 13,225,990 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 13225990 cubic inches would be around 19.7 feet tall.

Recreational maths with 13225990

• 13225990 backwards is 09952231
• The number of decimal digits it has is: 8
• The sum of 13225990's digits is 31
• More coming soon!