12815539764381

Names of 12815539764381

• Cardinal: 12815539764381 can be written as Twelve trillion, eight hundred fifteen billion, five hundred thirty-nine million, seven hundred sixty-four thousand, three hundred eighty-one.

Scientific notation

• Scientific notation: 1.2815539764381 × 10¹³

Factors of 12815539764381

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 315

Divisors of 12815539764381

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 27 29 81 87 243 261 283 729 783 841 849 2187 2349 2523 2547 6561 7047 7569 7641 8207 21141 22707 22923 24389 24621 63423 68121 68769 73167 73863 80089 190269 204363 206307 219501 221589 238003 240267 613089 618921 658503 664767 714009 720801 1839267 1856763 1975509 1994301 2142027 2162403 2322581 5517801 5926527 5982903 6426081 6487209 6902087 6967743 17779581 17948709 19278243 19461627 20706261 20903229 53338743 53846127 57834729 58384881 62118783 62709687 67354849 160016229 173504187 175154643 186356349 188129061 202064547 520512561 525463929 559069047 564387183 606193641 1561537683 1677207141 1693161549 1818580923 1953290621 5031621423 5079484647 5455742769 5859871863 15094864269 15238453941 16367228307 17579615589 45284592807 49101684921 52738846767 147305054763 158216540301 441915164289 474649620903 1423948862709 4271846588127 12815539764381
• Sum of all divisors σ(n): 19979414505180
• Sum of proper divisors (its aliquot sum) s(n): 7163874740799
• 12815539764381 is a deficient number, because the sum of its proper divisors (7163874740799) is less than itself. Its deficiency is 5651665023582

Bases of 12815539764381

• Binary: 10111010011111011001101100011111110010011101₂
• Hexadecimal: 0xBA7D9B1FC9D
• Base-36: 4JJDLHKT9

Squares and roots of 12815539764381

• 12815539764381 squared (12815539764381²) is 164238059452430616996313161
• 12815539764381 cubed (12815539764381³) is 2104799381737395339218681621267629318341
• The square root of 12815539764381 is 3579879.8533443827
• The cube root of 12815539764381 is 23401.6044413189

Scales and comparisons

• 12,815,539,764,381 seconds is equal to 407,494 years, 27 weeks, 1 day, 12 hours, 46 minutes, 21 seconds.
• To count from 1 to 12,815,539,764,381 would take you about one million, eighteen thousand, seven hundred thirty-six 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 12815539764381 cubic inches would be around 1950.1 feet tall.

Recreational maths with 12815539764381

• 12815539764381 backwards is 18346793551821
• The number of decimal digits it has is: 14
• The sum of 12815539764381's digits is 63
• More coming soon!