138427951740

Names of 138427951740

• Cardinal: 138427951740 can be written as One hundred thirty-eight billion, four hundred twenty-seven million, nine hundred fifty-one thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.3842795174 × 10¹¹

Factors of 138427951740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 50157

Divisors of 138427951740

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 3833 7666 11499 15332 19165 22998 38330 45996 46301 49829 57495 76660 92602 99658 114990 138903 149487 185204 199316 229980 231505 249145 277806 298974 463010 498290 555612 597948 601913 694515 747435 926020 996580 1203826 1389030 1494870 1805739 2407652 2778060 2989740 3009565 3611478 6019130 7222956 9028695 12038260 18057390 36114780 177471733 354943466 532415199 709886932 887358665 1064830398 1774717330 2129660796 2307132529 2662075995 3549434660 4614265058 5324151990 6921397587 9228530116 10648303980 11535662645 13842795174 23071325290 27685590348 34606987935 46142650580 69213975870 138427951740
• Sum of all divisors σ(n): 417531433536
• Sum of proper divisors (its aliquot sum) s(n): 279103481796
• 138427951740 is an abundant number, because the sum of its proper divisors (279103481796) is greater than itself. Its abundance is 140675530056

Bases of 138427951740

• Binary: 10000000111010111100101110101001111100₂
• Hexadecimal: 0x203AF2EA7C
• Base-36: 1RLCFF5O

Squares and roots of 138427951740

• 138427951740 squared (138427951740²) is 19162297822931769027600
• 138427951740 cubed (138427951740³) is 2652597638260305988265439528024000
• The square root of 138427951740 is 372059.0702294463
• The cube root of 138427951740 is 5172.9855383241

Scales and comparisons

• 138,427,951,740 seconds is equal to 4,401 years, 30 weeks, 1 day, 8 hours, 49 minutes.
• To count from 1 to 138,427,951,740 would take you about eight thousand, eight hundred three 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 138427951740 cubic inches would be around 431.1 feet tall.

Recreational maths with 138427951740

• 138427951740 backwards is 047159724831
• The number of decimal digits it has is: 12
• The sum of 138427951740's digits is 51
• More coming soon!