13515652872

Names of 13515652872

• Cardinal: 13515652872 can be written as Thirteen billion, five hundred fifteen million, six hundred fifty-two thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.3515652872 × 10¹⁰

Factors of 13515652872

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4572

Divisors of 13515652872

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 4567 9134 13701 18268 27402 36536 41103 54804 82206 109608 123309 164412 246618 328824 369927 493236 739854 986472 1479708 2959416 20857489 41714978 62572467 83429956 125144934 166859912 187717401 250289868 375434802 500579736 563152203 750869604 1126304406 1501739208 1689456609 2252608812 3378913218 4505217624 6757826436 13515652872
• Sum of all divisors σ(n): 37864633455
• Sum of proper divisors (its aliquot sum) s(n): 24348980583
• 13515652872 is an abundant number, because the sum of its proper divisors (24348980583) is greater than itself. Its abundance is 10833327711

Bases of 13515652872

• Binary: 1100100101100110000111111100001000₂
• Hexadecimal: 0x325987F08
• Base-36: 67IVCI0

Squares and roots of 13515652872

• 13515652872 squared (13515652872²) is 182672872556401848384
• 13515652872 cubed (13515652872³) is 2468943134603422624097318158848
• The square root of 13515652872 is 116256.8401084427
• The cube root of 13515652872 is 2382.0214960403

Scales and comparisons

• 13,515,652,872 seconds is equal to 429 years, 39 weeks, 2 days, 4 hours, 1 minute, 12 seconds.
• To count from 1 to 13,515,652,872 would take you about eight hundred fifty-nine 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 13515652872 cubic inches would be around 198.5 feet tall.

Recreational maths with 13515652872

• 13515652872 backwards is 27825651531
• The number of decimal digits it has is: 11
• The sum of 13515652872's digits is 45
• More coming soon!