13391120856577269987

Names of 13391120856577269987

• Cardinal: 13391120856577269987 can be written as Thirteen quintillion, three hundred ninety-one quadrillion, one hundred twenty trillion, eight hundred fifty-six billion, five hundred seventy-seven million, two hundred sixty-nine thousand, nine hundred eighty-seven.

Scientific notation

• Scientific notation: 1.3391120856577269987 × 10¹⁹

Factors of 13391120856577269987

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 791564

Divisors of 13391120856577269987

• Number of divisors d(n): 12
• Complete list of divisors:
  1 3 9 27 791561 2374683 7124049 21372147 626568816721 1879706450163 5639119350489 16917358051467
• Sum of all divisors σ(n): 13391129002003549840
• Sum of proper divisors (its aliquot sum) s(n): 8145426279853
• 13391120856577269987 is a deficient number, because the sum of its proper divisors (8145426279853) is less than itself. Its deficiency is 13391112711150990134

Bases of 13391120856577269987

• Binary: 1011100111010110110100010111100001001000100111001110000011100011₂
• Hexadecimal: 0xB9D6D178489CE0E3
• Base-36: 2TQMC62ZRI1UR

Squares and roots of 13391120856577269987

• 13391120856577269987 squared (13391120856577269987²) is 179322117795458757061250338381890980169
• 13391120856577269987 cubed (13391120856577269987³) is 2401324151656373780379343621090581738300838111821575887803
• The square root of 13391120856577269987 is 3659388044.0009733939
• 13391120856577269987 is a perfect cube number. Its cube root is 2374683

Scales and comparisons

• 13,391,120,856,577,269,987 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 13,391,120,856,577,269,987 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 13391120856577269987 cubic inches would be around 197890.3 feet tall.

Recreational maths with 13391120856577269987

• 13391120856577269987 backwards is 78996277565802119331
• The number of decimal digits it has is: 20
• The sum of 13391120856577269987's digits is 99
• More coming soon!