138813351

Names of 138813351

• Cardinal: 138813351 can be written as One hundred thirty-eight million, eight hundred thirteen thousand, three hundred fifty-one.

Scientific notation

• Scientific notation: 1.38813351 × 10⁸

Factors of 138813351

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 193845

Divisors of 138813351

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 239 717 193603 580809 46271117 138813351
• Sum of all divisors σ(n): 185859840
• Sum of proper divisors (its aliquot sum) s(n): 47046489
• 138813351 is a deficient number, because the sum of its proper divisors (47046489) is less than itself. Its deficiency is 91766862

Bases of 138813351

• Binary: 1000010001100001111110100111₂
• Hexadecimal: 0x8461FA7
• Base-36: 2AN92F

Squares and roots of 138813351

• 138813351 squared (138813351²) is 19269146415849201
• 138813351 cubed (138813351³) is 2674814784893667101482551
• The square root of 138813351 is 11781.9077826979
• The cube root of 138813351 is 517.7781817863

Scales and comparisons

• 138,813,351 seconds is equal to 4 years, 21 weeks, 3 days, 15 hours, 15 minutes, 51 seconds.
• To count from 1 to 138,813,351 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 138813351 cubic inches would be around 43.1 feet tall.

Recreational maths with 138813351

• 138813351 backwards is 153318831
• The number of decimal digits it has is: 9
• The sum of 138813351's digits is 33
• More coming soon!