13442638225

Names of 13442638225

• Cardinal: 13442638225 can be written as Thirteen billion, four hundred forty-two million, six hundred thirty-eight thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.3442638225 × 10¹⁰

Factors of 13442638225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2219

Divisors of 13442638225

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 17 19 25 41 85 95 205 323 361 425 475 697 779 1025 1615 1805 2137 3485 3895 6137 8075 9025 10685 13243 14801 17425 19475 30685 36329 40603 53425 66215 74005 87617 153425 181645 203015 251617 331075 370025 438085 690251 771457 908225 1015075 1258085 1489489 1664723 2190425 3451255 3857285 6290425 7447445 8323615 13114769 17256275 19286425 28300291 31629737 37237225 41618075 65573845 141501455 158148685 327869225 537705529 707507275 790743425 2688527645 13442638225
• Sum of all divisors σ(n): 19090450008
• Sum of proper divisors (its aliquot sum) s(n): 5647811783
• 13442638225 is a deficient number, because the sum of its proper divisors (5647811783) is less than itself. Its deficiency is 7794826442

Bases of 13442638225

• Binary: 1100100001001111100110000110010001₂
• Hexadecimal: 0x3213E6191
• Base-36: 66BEE1D

Squares and roots of 13442638225

• 13442638225 squared (13442638225²) is 180704522448231150625
• 13442638225 cubed (13442638225³) is 2429145520892962649027357640625
• The square root of 13442638225 is 115942.3918374983
• The cube root of 13442638225 is 2377.7243404063

Scales and comparisons

• 13,442,638,225 seconds is equal to 427 years, 22 weeks, 4 days, 2 hours, 10 minutes, 25 seconds.
• To count from 1 to 13,442,638,225 would take you about eight hundred fifty-four years!

  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 13442638225 cubic inches would be around 198.1 feet tall.

Recreational maths with 13442638225

• 13442638225 backwards is 52283624431
• The number of decimal digits it has is: 11
• The sum of 13442638225's digits is 40
• More coming soon!