13645340490868

Names of 13645340490868

• Cardinal: 13645340490868 can be written as Thirteen trillion, six hundred forty-five billion, three hundred forty million, four hundred ninety thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 1.3645340490868 × 10¹³

Factors of 13645340490868

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 105350

Divisors of 13645340490868

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 23 46 92 331 662 1324 4457 7613 8914 15226 17828 30452 100537 102511 201074 205022 402148 410044 1475267 2312351 2950534 4624702 5901068 9249404 33277747 33931141 66555494 67862282 133110988 135724564 448093409 765388181 896186818 1530776362 1792373636 3061552724 10306148407 20612296814 41224593628 148318918379 296637836758 593275673516 3411335122717 6822670245434 13645340490868
• Sum of all divisors σ(n): 24998714181504
• Sum of proper divisors (its aliquot sum) s(n): 11353373690636
• 13645340490868 is a deficient number, because the sum of its proper divisors (11353373690636) is less than itself. Its deficiency is 2291966800232

Bases of 13645340490868

• Binary: 11000110100100001101101011000011110001110100₂
• Hexadecimal: 0xC690DAC3C74
• Base-36: 4U4KZEZ5G

Squares and roots of 13645340490868

• 13645340490868 squared (13645340490868²) is 186195317111721751191393424
• 13645340490868 cubed (13645340490868³) is 2540698499794584200398600908061067252032
• The square root of 13645340490868 is 3693960.0012544803
• The cube root of 13645340490868 is 23896.1604511555

Scales and comparisons

• 13,645,340,490,868 seconds is equal to 433,879 years, 32 weeks, 1 day, 14 hours, 34 minutes, 28 seconds.
• To count from 1 to 13,645,340,490,868 would take you about one million, eighty-four thousand, six hundred ninety-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 13645340490868 cubic inches would be around 1991.3 feet tall.

Recreational maths with 13645340490868

• 13645340490868 backwards is 86809404354631
• The number of decimal digits it has is: 14
• The sum of 13645340490868's digits is 61
• More coming soon!