13115415808

Names of 13115415808

• Cardinal: 13115415808 can be written as Thirteen billion, one hundred fifteen million, four hundred fifteen thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.3115415808 × 10¹⁰

Factors of 13115415808

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 180

Divisors of 13115415808

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 128 167 176 256 334 352 668 704 1336 1408 1837 2672 2816 3674 5344 7348 10688 14696 21376 27889 29392 42752 55778 58784 111556 117568 223112 235136 306779 446224 470272 613558 892448 1227116 1784896 2454232 3569792 4657463 4908464 7139584 9314926 9816928 18629852 19633856 37259704 39267712 51232093 74519408 78535424 102464186 149038816 204928372 298077632 409856744 596155264 819713488 1192310528 1639426976 3278853952 6557707904 13115415808
• Sum of all divisors σ(n): 28731608640
• Sum of proper divisors (its aliquot sum) s(n): 15616192832
• 13115415808 is an abundant number, because the sum of its proper divisors (15616192832) is greater than itself. Its abundance is 2500777024

Bases of 13115415808

• Binary: 1100001101101111010101110100000000₂
• Hexadecimal: 0x30DBD5D00
• Base-36: 60WKVLS

Squares and roots of 13115415808

• 13115415808 squared (13115415808²) is 172014131816736292864
• 13115415808 cubed (13115415808³) is 2256036863628618934395823194112
• The square root of 13115415808 is 114522.5558918417
• The cube root of 13115415808 is 2358.2726879979

Scales and comparisons

• 13,115,415,808 seconds is equal to 417 years, 1 week, 3 days, 19 hours, 3 minutes, 28 seconds.
• To count from 1 to 13,115,415,808 would take you about eight hundred thirty-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 13115415808 cubic inches would be around 196.5 feet tall.

Recreational maths with 13115415808

• 13115415808 backwards is 80851451131
• The number of decimal digits it has is: 11
• The sum of 13115415808's digits is 37
• More coming soon!