138128571

138,128,571 is an odd composite number composed of three prime numbers multiplied together.

What does the number 138128571 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

138128571 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 138128571:

3⁴ × 7 × 243613

(3 × 3 × 3 × 3 × 7 × 243613)

See below for interesting mathematical facts about the number 138128571 from the Numbermatics database.

Names of 138128571

Cardinal: 138128571 can be written as One hundred thirty-eight million, one hundred twenty-eight thousand, five hundred seventy-one.

Scientific notation

Scientific notation: 1.38128571 × 10⁸

Factors of 138128571

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 243623

Divisors of 138128571

Number of divisors d(n): 20
Complete list of divisors:
1 3 7 9 21 27 63 81 189 567 243613 730839 1705291 2192517 5115873 6577551 15347619 19732653 46042857 138128571
Sum of all divisors σ(n): 235818352
Sum of proper divisors (its aliquot sum) s(n): 97689781
138128571 is a deficient number, because the sum of its proper divisors (97689781) is less than itself. Its deficiency is 40438790

Bases of 138128571

Binary: 1000001110111010110010111011₂
Hexadecimal: 0x83BACBB
Base-36: 2A8KOR

Squares and roots of 138128571

138128571 squared (138128571²) is 19079502126502041
138128571 cubed (138128571³) is 2635424364125188151913411
The square root of 138128571 is 11752.8111956247
The cube root of 138128571 is 516.9253608887

Scales and comparisons

How big is 138128571?

138,128,571 seconds is equal to 4 years, 20 weeks, 2 days, 17 hours, 2 minutes, 51 seconds.
To count from 1 to 138,128,571 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 138128571 cubic inches would be around 43.1 feet tall.

Recreational maths with 138128571

138128571 backwards is 175821831
The number of decimal digits it has is: 9
The sum of 138128571's digits is 36
More coming soon!

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The information we have on file for 138128571 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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