138166937

Names of 138166937

• Cardinal: 138166937 can be written as One hundred thirty-eight million, one hundred sixty-six thousand, nine hundred thirty-seven.

Scientific notation

• Scientific notation: 1.38166937 × 10⁸

Factors of 138166937

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 132762

Divisors of 138166937

• Number of divisors d(n): 4
• Complete list of divisors:
  1 1049 131713 138166937
• Sum of all divisors σ(n): 138299700
• Sum of proper divisors (its aliquot sum) s(n): 132763
• 138166937 is a deficient number, because the sum of its proper divisors (132763) is less than itself. Its deficiency is 138034174

Bases of 138166937

• Binary: 1000001111000100001010011001₂
• Hexadecimal: 0x83C4299
• Base-36: 2A9EAH

Squares and roots of 138166937

• 138166937 squared (138166937²) is 19090102479961969
• 138166937 cubed (138166937³) is 2637620986672449133218953
• The square root of 138166937 is 11754.4432875403
• The cube root of 138166937 is 516.9732161161

Scales and comparisons

• 138,166,937 seconds is equal to 4 years, 20 weeks, 3 days, 3 hours, 42 minutes, 17 seconds.
• To count from 1 to 138,166,937 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 138166937 cubic inches would be around 43.1 feet tall.

Recreational maths with 138166937

• 138166937 backwards is 739661831
• The number of decimal digits it has is: 9
• The sum of 138166937's digits is 44
• More coming soon!