138871864

138,871,864 is an even composite number composed of two prime numbers multiplied together.

What does the number 138871864 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

138871864 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 138871864:

2³ × 17358983

(2 × 2 × 2 × 17358983)

See below for interesting mathematical facts about the number 138871864 from the Numbermatics database.

Names of 138871864

Cardinal: 138871864 can be written as One hundred thirty-eight million, eight hundred seventy-one thousand, eight hundred sixty-four.

Scientific notation

Scientific notation: 1.38871864 × 10⁸

Factors of 138871864

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 17358985

Divisors of 138871864

Number of divisors d(n): 8
Complete list of divisors:
1 2 4 8 17358983 34717966 69435932 138871864
Sum of all divisors σ(n): 260384760
Sum of proper divisors (its aliquot sum) s(n): 121512896
138871864 is a deficient number, because the sum of its proper divisors (121512896) is less than itself. Its deficiency is 17358968

Bases of 138871864

Binary: 1000010001110000010000111000₂
Hexadecimal: 0x8470438
Base-36: 2AOI7S

Squares and roots of 138871864

138871864 squared (138871864²) is 19285394610834496
138871864 cubed (138871864³) is 2678198697582141055020544
The square root of 138871864 is 11784.3906927767
The cube root of 138871864 is 517.8509233457

Scales and comparisons

How big is 138871864?

138,871,864 seconds is equal to 4 years, 21 weeks, 4 days, 7 hours, 31 minutes, 4 seconds.
To count from 1 to 138,871,864 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 138871864 cubic inches would be around 43.2 feet tall.

Recreational maths with 138871864

138871864 backwards is 468178831
The number of decimal digits it has is: 9
The sum of 138871864's digits is 46
More coming soon!

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The information we have on file for 138871864 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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