138269159809921174688

Names of 138269159809921174688

• Cardinal: 138269159809921174688 can be written as One hundred thirty-eight quintillion, two hundred sixty-nine quadrillion, one hundred fifty-nine trillion, eight hundred nine billion, nine hundred twenty-one million, one hundred seventy-four thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38269159809921174688 × 10²⁰

Factors of 138269159809921174688

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10263447135534952

Divisors of 138269159809921174688

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 8 16 32 421 842 1684 3368 6736 13472 10263447135534529 20526894271069058 41053788542138116 82107577084276232 164215154168552464 328430308337104928 4320911244060036709 8641822488120073418 17283644976240146836 34567289952480293672 69134579904960587344 138269159809921174688
• Sum of all divisors σ(n): 272864005545321014580
• Sum of proper divisors (its aliquot sum) s(n): 134594845735399839892
• 138269159809921174688 is a deficient number, because the sum of its proper divisors (134594845735399839892) is less than itself. Its deficiency is 3674314074521334796

Bases of 138269159809921174688

• Binary: 1110111111011011110101111000100010000000110000100011100110010100000₂
• Hexadecimal: 0x77EDEBC440611CCA0
• Base-36: T6I5IH5CYA2E8

Squares and roots of 138269159809921174688

• 138269159809921174688 squared (138269159809921174688²) is 19118360554541521016776003991989811897344
• 138269159809921174688 cubed (138269159809921174688³) is 2643479650819594780013434758530535335376915008121010547228672
• The square root of 138269159809921174688 is 11758790746.0725388439
• The cube root of 138269159809921174688 is 5171006.7890010561

Scales and comparisons

• 138,269,159,809,921,174,688 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,269,159,809,921,174,688 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 138269159809921174688 cubic inches would be around 430917.2 feet tall.

Recreational maths with 138269159809921174688

• 138269159809921174688 backwards is 886471129908951962831
• The number of decimal digits it has is: 21
• The sum of 138269159809921174688's digits is 107
• More coming soon!