13222656

Names of 13222656

• Cardinal: 13222656 can be written as Thirteen million, two hundred twenty-two thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 1.3222656 × 10⁷

Factors of 13222656

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1918

Divisors of 13222656

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 576 768 864 1152 1728 1913 2304 3456 3826 5739 6912 7652 11478 15304 17217 22956 30608 34434 45912 51651 61216 68868 91824 103302 122432 137736 183648 206604 244864 275472 367296 413208 489728 550944 734592 826416 1101888 1469184 1652832 2203776 3305664 4407552 6611328 13222656
• Sum of all divisors σ(n): 39122160
• Sum of proper divisors (its aliquot sum) s(n): 25899504
• 13222656 is an abundant number, because the sum of its proper divisors (25899504) is greater than itself. Its abundance is 12676848

Bases of 13222656

• Binary: 110010011100001100000000₂
• Hexadecimal: 0xC9C300
• Base-36: 7VEO0

Squares and roots of 13222656

• 13222656 squared (13222656²) is 174838631694336
• 13222656 cubed (13222656³) is 2311831082404902076416
• The square root of 13222656 is 3636.2970175715
• The cube root of 13222656 is 236.4682840181

Scales and comparisons

• 13,222,656 seconds is equal to 21 weeks, 6 days, 57 minutes, 36 seconds.
• To count from 1 to 13,222,656 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 13222656 cubic inches would be around 19.7 feet tall.

Recreational maths with 13222656

• 13222656 backwards is 65622231
• 13222656 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13222656's digits is 27
• More coming soon!