13878991399065

Names of 13878991399065

• Cardinal: 13878991399065 can be written as Thirteen trillion, eight hundred seventy-eight billion, nine hundred ninety-one million, three hundred ninety-nine thousand and sixty-five.

Scientific notation

• Scientific notation: 1.3878991399065 × 10¹³

Factors of 13878991399065

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 570195

Divisors of 13878991399065

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 13 15 23 39 61 65 69 89 115 183 195 267 299 305 345 445 793 897 915 1157 1335 1403 1495 2047 2379 3471 3965 4209 4485 5429 5785 6141 7015 10235 11895 16287 17355 18239 21045 26611 27145 30705 54717 70577 79833 81435 91195 124867 133055 211731 273585 352885 374601 399165 570001 624335 1058655 1623271 1710003 1873005 2850005 4869813 7410013 8116355 8550015 13110023 22230039 24349065 34770061 37050065 39330069 50730089 65550115 104310183 111150195 152190267 170430299 173850305 196650345 253650445 452010793 511290897 521550915 659491157 760951335 799711403 852151495 1166792047 1356032379 1978473471 2260053965 2399134209 2556454485 3094535429 3297455785 3500376141 3998557015 5833960235 6780161895 9283606287 9892367355 10396248239 11995671045 15168296611 15472677145 17501880705 31188744717 40228960577 45504889833 46418031435 51981241195 71174314867 75841483055 120686881731 155943723585 201144802885 213522944601 227524449165 355871574335 603434408655 925266093271 1067614723005 2775798279813 4626330466355 13878991399065
• Sum of all divisors σ(n): 25648448394240
• Sum of proper divisors (its aliquot sum) s(n): 11769456995175
• 13878991399065 is a deficient number, because the sum of its proper divisors (11769456995175) is less than itself. Its deficiency is 2109534403890

Bases of 13878991399065

• Binary: 11001001111101110100010110100010100010011001₂
• Hexadecimal: 0xC9F745A2899
• Base-36: 4X3X54TQX

Squares and roots of 13878991399065

• 13878991399065 squared (13878991399065²) is 192626402255320246082874225
• 13878991399065 cubed (13878991399065³) is 2673460180134424613521370625969177599625
• The square root of 13878991399065 is 3725451.8382425777
• The cube root of 13878991399065 is 24031.7816214225

Scales and comparisons

• 13,878,991,399,065 seconds is equal to 441,308 years, 51 weeks, 5 days, 12 hours, 37 minutes, 45 seconds.
• To count from 1 to 13,878,991,399,065 would take you about one million, one hundred three thousand, two hundred seventy-two 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 13878991399065 cubic inches would be around 2002.6 feet tall.

Recreational maths with 13878991399065

• 13878991399065 backwards is 56099319987831
• The number of decimal digits it has is: 14
• The sum of 13878991399065's digits is 78
• More coming soon!