13145851836

Names of 13145851836

• Cardinal: 13145851836 can be written as Thirteen billion, one hundred forty-five million, eight hundred fifty-one thousand, eight hundred thirty-six.

Scientific notation

• Scientific notation: 1.3145851836 × 10¹⁰

Factors of 13145851836

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 248710

Divisors of 13145851836

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 36 39 52 78 113 117 156 226 234 339 452 468 678 1017 1356 1469 2034 2938 4068 4407 5876 8814 13221 17628 26442 52884 248579 497158 745737 994316 1491474 2237211 2982948 3231527 4474422 6463054 8948844 9694581 12926108 19389162 28089427 29083743 38778324 56178854 58167486 84268281 112357708 116334972 168536562 252804843 337073124 365162551 505609686 730325102 1011219372 1095487653 1460650204 2190975306 3286462959 4381950612 6572925918 13145851836
• Sum of all divisors σ(n): 36102764880
• Sum of proper divisors (its aliquot sum) s(n): 22956913044
• 13145851836 is an abundant number, because the sum of its proper divisors (22956913044) is greater than itself. Its abundance is 9811061208

Bases of 13145851836

• Binary: 1100001111100011011100011110111100₂
• Hexadecimal: 0x30F8DC7BC
• Base-36: 61EP870

Squares and roots of 13145851836

• 13145851836 squared (13145851836²) is 172813420494064570896
• 13145851836 cubed (13145851836³) is 2271779621087338766415733765056
• The square root of 13145851836 is 114655.3611306509
• The cube root of 13145851836 is 2360.0955048491

Scales and comparisons

• 13,145,851,836 seconds is equal to 417 years, 51 weeks, 6 days, 1 hour, 30 minutes, 36 seconds.
• To count from 1 to 13,145,851,836 would take you about eight hundred thirty-five 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 13145851836 cubic inches would be around 196.7 feet tall.

Recreational maths with 13145851836

• 13145851836 backwards is 63815854131
• The number of decimal digits it has is: 11
• The sum of 13145851836's digits is 45
• More coming soon!