13222979

Names of 13222979

• Cardinal: 13222979 can be written as Thirteen million, two hundred twenty-two thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 1.3222979 × 10⁷

Factors of 13222979

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2170

Divisors of 13222979

• Number of divisors d(n): 16
• Complete list of divisors:
  1 7 11 77 83 581 913 2069 6391 14483 22759 159313 171727 1202089 1888997 13222979
• Sum of all divisors σ(n): 16692480
• Sum of proper divisors (its aliquot sum) s(n): 3469501
• 13222979 is a deficient number, because the sum of its proper divisors (3469501) is less than itself. Its deficiency is 9753478

Bases of 13222979

• Binary: 110010011100010001000011₂
• Hexadecimal: 0xC9C443
• Base-36: 7VEWZ

Squares and roots of 13222979

• 13222979 squared (13222979²) is 174847173634441
• 13222979 cubed (13222979³) is 2312000505177567019739
• The square root of 13222979 is 3636.3414306141
• The cube root of 13222979 is 236.4702094669

Scales and comparisons

• 13,222,979 seconds is equal to 21 weeks, 6 days, 1 hour, 2 minutes, 59 seconds.
• To count from 1 to 13,222,979 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 13222979 cubic inches would be around 19.7 feet tall.

Recreational maths with 13222979

• 13222979 backwards is 97922231
• The number of decimal digits it has is: 8
• The sum of 13222979's digits is 35
• More coming soon!