13240428789837506665

Names of 13240428789837506665

• Cardinal: 13240428789837506665 can be written as Thirteen quintillion, two hundred forty quadrillion, four hundred twenty-eight trillion, seven hundred eighty-nine billion, eight hundred thirty-seven million, five hundred six thousand, six hundred sixty-five.

Scientific notation

• Scientific notation: 1.3240428789837506665 × 10¹⁹

Factors of 13240428789837506665

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 277466123181

Divisors of 13240428789837506665

• Number of divisors d(n): 32
• Complete list of divisors:
  1 5 17 37 85 185 629 3145 15173 75865 257941 561401 1289705 2807005 9543817 47719085 277466107949 1387330539745 4716923835133 10266245994113 23584619175665 51331229970565 174526181899921 872630909499605 4209993255910177 21049966279550885 71569885350473009 155769750468676549 357849426752365045 778848752343382745 2648085757967501333 13240428789837506665
• Sum of all divisors σ(n): 17278951043224663200
• Sum of proper divisors (its aliquot sum) s(n): 4038522253387156535
• 13240428789837506665 is a deficient number, because the sum of its proper divisors (4038522253387156535) is less than itself. Its deficiency is 9201906536450350130

Bases of 13240428789837506665

• Binary: 1011011110111111011100111101010101100100000111101010100001101001₂
• Hexadecimal: 0xB7BF73D5641EA869
• Base-36: 2SLEKAF80IE7D

Squares and roots of 13240428789837506665

• 13240428789837506665 squared (13240428789837506665²) is 175308954538757901238192174783919422225
• 13240428789837506665 cubed (13240428789837506665³) is 2321165728791284749715770160431924271216513886461386629625
• The square root of 13240428789837506665 is 3638740000.3074562439
• The cube root of 13240428789837506665 is 2365741.8355783815

Scales and comparisons

• 13,240,428,789,837,506,665 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 13,240,428,789,837,506,665 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 13240428789837506665 cubic inches would be around 197145.2 feet tall.

Recreational maths with 13240428789837506665

• 13240428789837506665 backwards is 56660573898782404231
• The number of decimal digits it has is: 20
• The sum of 13240428789837506665's digits is 94
• More coming soon!