138689276481149590164

Names of 138689276481149590164

• Cardinal: 138689276481149590164 can be written as One hundred thirty-eight quintillion, six hundred eighty-nine quadrillion, two hundred seventy-six trillion, four hundred eighty-one billion, one hundred forty-nine million, five hundred ninety thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 1.38689276481149590164 × 10²⁰

Factors of 138689276481149590164

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 492371648588317

Divisors of 138689276481149590164

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 3 4 6 12 23473 46946 70419 93892 140838 281676 492371648564839 984743297129678 1477114945694517 1969486594259356 2954229891389034 5908459782778068 11557439706762465847 23114879413524931694 34672319120287397541 46229758827049863388 69344638240574795082 138689276481149590164
• Sum of all divisors σ(n): 323622098195509516480
• Sum of proper divisors (its aliquot sum) s(n): 184932821714359926316
• 138689276481149590164 is an abundant number, because the sum of its proper divisors (184932821714359926316) is greater than itself. Its abundance is 46243545233210336152

Bases of 138689276481149590164

• Binary: 1111000010010110011010010100010011011111110110110111101101010010100₂
• Hexadecimal: 0x784B34A26FEDBDA94
• Base-36: T9P25ENQOO42C

Squares and roots of 138689276481149590164

• 138689276481149590164 squared (138689276481149590164²) is 19234715410864752846588690642985165546896
• 138689276481149590164 cubed (138689276481149590164³) is 2667648763653650543071075280032887956788844331716703322330944
• The square root of 138689276481149590164 is 11776641137.4869358445
• The cube root of 138689276481149590164 is 5176238.6851017405

Scales and comparisons

• 138,689,276,481,149,590,164 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,689,276,481,149,590,164 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 138689276481149590164 cubic inches would be around 431353.2 feet tall.

Recreational maths with 138689276481149590164

• 138689276481149590164 backwards is 461095941184672986831
• The number of decimal digits it has is: 21
• The sum of 138689276481149590164's digits is 102
• More coming soon!