138486124

Names of 138486124

• Cardinal: 138486124 can be written as One hundred thirty-eight million, four hundred eighty-six thousand, one hundred twenty-four.

Scientific notation

• Scientific notation: 1.38486124 × 10⁸

Factors of 138486124

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 51095

Divisors of 138486124

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 7 14 28 97 194 388 679 1358 2716 50989 101978 203956 356923 713846 1427692 4945933 9891866 19783732 34621531 69243062 138486124
• Sum of all divisors σ(n): 279833120
• Sum of proper divisors (its aliquot sum) s(n): 141346996
• 138486124 is an abundant number, because the sum of its proper divisors (141346996) is greater than itself. Its abundance is 2860872

Bases of 138486124

• Binary: 1000010000010010000101101100₂
• Hexadecimal: 0x841216C
• Base-36: 2AG8KS

Squares and roots of 138486124

• 138486124 squared (138486124²) is 19178406540543376
• 138486124 cubed (138486124³) is 2655943186296100996114624
• The square root of 138486124 is 11768.0127464241
• The cube root of 138486124 is 517.3710059909

Scales and comparisons

• 138,486,124 seconds is equal to 4 years, 20 weeks, 6 days, 20 hours, 22 minutes, 4 seconds.
• To count from 1 to 138,486,124 would take you about six 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 138486124 cubic inches would be around 43.1 feet tall.

Recreational maths with 138486124

• 138486124 backwards is 421684831
• The number of decimal digits it has is: 9
• The sum of 138486124's digits is 37
• More coming soon!