138682238

Names of 138682238

• Cardinal: 138682238 can be written as One hundred thirty-eight million, six hundred eighty-two thousand, two hundred thirty-eight.

Scientific notation

• Scientific notation: 1.38682238 × 10⁸

Factors of 138682238

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1308378

Divisors of 138682238

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 53 106 1308323 2616646 69341119 138682238
• Sum of all divisors σ(n): 211948488
• Sum of proper divisors (its aliquot sum) s(n): 73266250
• 138682238 is a deficient number, because the sum of its proper divisors (73266250) is less than itself. Its deficiency is 65415988

Bases of 138682238

• Binary: 1000010001000001111101111110₂
• Hexadecimal: 0x8441F7E
• Base-36: 2AKFWE

Squares and roots of 138682238

• 138682238 squared (138682238²) is 19232763136688644
• 138682238 cubed (138682238³) is 2667242634719881059105272
• The square root of 138682238 is 11776.3423014109
• The cube root of 138682238 is 517.6151118911

Scales and comparisons

• 138,682,238 seconds is equal to 4 years, 21 weeks, 2 days, 2 hours, 50 minutes, 38 seconds.
• To count from 1 to 138,682,238 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 138682238 cubic inches would be around 43.1 feet tall.

Recreational maths with 138682238

• 138682238 backwards is 832286831
• The number of decimal digits it has is: 9
• The sum of 138682238's digits is 41
• More coming soon!