12315818718940

Names of 12315818718940

• Cardinal: 12315818718940 can be written as Twelve trillion, three hundred fifteen billion, eight hundred eighteen million, seven hundred eighteen thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.231581871894 × 10¹³

Factors of 12315818718940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 22368080

Divisors of 12315818718940

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 10 11 20 22 44 55 110 220 2503 5006 10012 12515 25030 27533 50060 55066 110132 137665 275330 550660 22365559 44731118 89462236 111827795 223655590 246021149 447311180 492042298 984084596 1230105745 2460211490 4920422980 55980994177 111961988354 223923976708 279904970885 559809941770 615790935947 1119619883540 1231581871894 2463163743788 3078954679735 6157909359470 12315818718940
• Sum of all divisors σ(n): 28225694568960
• Sum of proper divisors (its aliquot sum) s(n): 15909875850020
• 12315818718940 is an abundant number, because the sum of its proper divisors (15909875850020) is greater than itself. Its abundance is 3594057131080

Bases of 12315818718940

• Binary: 10110011001101111111111111111111011011011100₂
• Hexadecimal: 0xB337FFFF6DC
• Base-36: 4D5T4HAE4

Squares and roots of 12315818718940

• 12315818718940 squared (12315818718940²) is 151679390717792902714723600
• 12315818718940 cubed (12315818718940³) is 1868055879479607914176271255628184984000
• The square root of 12315818718940 is 3509390.0779109751
• The cube root of 12315818718940 is 23093.3938612483

Scales and comparisons

• 12,315,818,718,940 seconds is equal to 391,604 years, 48 weeks, 6 days, 3 hours, 15 minutes, 40 seconds.
• To count from 1 to 12,315,818,718,940 would take you about nine hundred seventy-nine thousand and twelve 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 12315818718940 cubic inches would be around 1924.4 feet tall.

Recreational maths with 12315818718940

• 12315818718940 backwards is 04981781851321
• The number of decimal digits it has is: 14
• The sum of 12315818718940's digits is 58
• More coming soon!