13258979950261940387128

Names of 13258979950261940387128

• Cardinal: 13258979950261940387128 can be written as Thirteen sextillion, two hundred fifty-eight quintillion, nine hundred seventy-nine quadrillion, nine hundred fifty trillion, two hundred sixty-one billion, nine hundred forty million, three hundred eighty-seven thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3258979950261940387128 × 10²²

Factors of 13258979950261940387128

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 11834233

Divisors of 13258979950261940387128

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 8 11834231 23668462 47336924 94673848 140049023361361 280098046722722 560196093445444 1120392186890888
• Sum of all divisors σ(n): 13258980930605281430135
• Sum of proper divisors (its aliquot sum) s(n): 980343341043007
• 13258979950261940387128 is a deficient number, because the sum of its proper divisors (980343341043007) is less than itself. Its deficiency is 13258978969918599344121

Bases of 13258979950261940387128

• Binary: 10110011101100010101001111011011111010110100111101011010011111110100111000₂
• Hexadecimal: 0x2CEC54F6FAD3D69FD38
• Base-36: 25Q7IHR263MMZ3S

Squares and roots of 13258979950261940387128

• 13258979950261940387128 squared (13258979950261940387128²) is 175800549321448127182119392933608766508088384
• 13258979950261940387128 cubed (13258979950261940387128³) is 2330935958698116087219346209560545249819521224185124032048199921152
• The square root of 13258979950261940387128 is 115147644136.8295662585
• 13258979950261940387128 is a perfect cube number. Its cube root is 23668462

Scales and comparisons

• 13,258,979,950,261,940,387,128 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 13,258,979,950,261,940,387,128 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 13258979950261940387128 cubic inches would be around 1972371.8 feet tall.

Recreational maths with 13258979950261940387128

• 13258979950261940387128 backwards is 82178304916205997985231
• The number of decimal digits it has is: 23
• The sum of 13258979950261940387128's digits is 109
• More coming soon!