138846951078

Names of 138846951078

• Cardinal: 138846951078 can be written as One hundred thirty-eight billion, eight hundred forty-six million, nine hundred fifty-one thousand and seventy-eight.

Scientific notation

• Scientific notation: 1.38846951078 × 10¹¹

Factors of 138846951078

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 23637652

Divisors of 138846951078

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 11 22 33 66 89 178 267 534 979 1958 2937 5874 23637547 47275094 70912641 141825282 260013017 520026034 780039051 1560078102 2103741683 4207483366 6311225049 12622450098 23141158513 46282317026 69423475539 138846951078
• Sum of all divisors σ(n): 306342622080
• Sum of proper divisors (its aliquot sum) s(n): 167495671002
• 138846951078 is an abundant number, because the sum of its proper divisors (167495671002) is greater than itself. Its abundance is 28648719924

Bases of 138846951078

• Binary: 10000001010011111011000101011010100110₂
• Hexadecimal: 0x2053EC56A6
• Base-36: 1RS9W146

Squares and roots of 138846951078

• 138846951078 squared (138846951078²) is 19278475823656525362084
• 138846951078 cubed (138846951078³) is 2676757589545643332024743384126552
• The square root of 138846951078 is 372621.7265243667
• The cube root of 138846951078 is 5178.1995486675

Scales and comparisons

• 138,846,951,078 seconds is equal to 4,414 years, 46 weeks, 6 days, 21 hours, 31 minutes, 18 seconds.
• To count from 1 to 138,846,951,078 would take you about eight thousand, eight hundred twenty-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 138846951078 cubic inches would be around 431.5 feet tall.

Recreational maths with 138846951078

• 138846951078 backwards is 870159648831
• The number of decimal digits it has is: 12
• The sum of 138846951078's digits is 60
• More coming soon!