138739715

138,739,715 is an odd composite number composed of three prime numbers multiplied together.

What does the number 138739715 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

138739715 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 138739715:

5 × 43³ × 349

(5 × 43 × 43 × 43 × 349)

See below for interesting mathematical facts about the number 138739715 from the Numbermatics database.

Names of 138739715

Cardinal: 138739715 can be written as One hundred thirty-eight million, seven hundred thirty-nine thousand, seven hundred fifteen.

Scientific notation

Scientific notation: 1.38739715 × 10⁸

Factors of 138739715

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 397

Divisors of 138739715

Number of divisors d(n): 16
Complete list of divisors:
1 5 43 215 349 1745 1849 9245 15007 75035 79507 397535 645301 3226505 27747943 138739715
Sum of all divisors σ(n): 170940000
Sum of proper divisors (its aliquot sum) s(n): 32200285
138739715 is a deficient number, because the sum of its proper divisors (32200285) is less than itself. Its deficiency is 106539430

Bases of 138739715

Binary: 1000010001010000000000000011₂
Hexadecimal: 0x8450003
Base-36: 2ALO8Z

Squares and roots of 138739715

138739715 squared (138739715²) is 19248708518281225
138739715 cubed (138739715³) is 2670560333944409446350875
The square root of 138739715 is 11778.7824073629
The cube root of 138739715 is 517.6866107243

Scales and comparisons

How big is 138739715?

138,739,715 seconds is equal to 4 years, 21 weeks, 2 days, 18 hours, 48 minutes, 35 seconds.
To count from 1 to 138,739,715 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 138739715 cubic inches would be around 43.1 feet tall.

Recreational maths with 138739715

138739715 backwards is 517937831
The number of decimal digits it has is: 9
The sum of 138739715's digits is 44
More coming soon!

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The information we have on file for 138739715 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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