13121836891986

Names of 13121836891986

• Cardinal: 13121836891986 can be written as Thirteen trillion, one hundred twenty-one billion, eight hundred thirty-six million, eight hundred ninety-one thousand, nine hundred eighty-six.

Scientific notation

• Scientific notation: 1.3121836891986 × 10¹³

Factors of 13121836891986

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 21746346

Divisors of 13121836891986

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 163 326 489 617 978 1234 1851 3702 100571 201142 301713 603426 21745561 43491122 65236683 130473366 3544526443 7089052886 10633579329 13417011137 21267158658 26834022274 40251033411 80502066822 2186972815331 4373945630662 6560918445993 13121836891986
• Sum of all divisors σ(n): 26447474397888
• Sum of proper divisors (its aliquot sum) s(n): 13325637505902
• 13121836891986 is an abundant number, because the sum of its proper divisors (13325637505902) is greater than itself. Its abundance is 203800613916

Bases of 13121836891986

• Binary: 10111110111100101010011011010011111101010010₂
• Hexadecimal: 0xBEF2A6D3F52
• Base-36: 4NG36W11U

Squares and roots of 13121836891986

• 13121836891986 squared (13121836891986²) is 172182603419884808231024196
• 13121836891986 cubed (13121836891986³) is 2259352037713239286588320166702204493256
• The square root of 13121836891986 is 3622407.6098619823
• The cube root of 13121836891986 is 23586.5748190975

Scales and comparisons

• 13,121,836,891,986 seconds is equal to 417,233 years, 42 weeks, 6 days, 4 hours, 13 minutes, 6 seconds.
• To count from 1 to 13,121,836,891,986 would take you about one million, forty-three thousand and eighty-four 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 13121836891986 cubic inches would be around 1965.5 feet tall.

Recreational maths with 13121836891986

• 13121836891986 backwards is 68919863812131
• The number of decimal digits it has is: 14
• The sum of 13121836891986's digits is 66
• More coming soon!