138891875

138,891,875 is an odd composite number composed of four prime numbers multiplied together.

What does the number 138891875 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

138891875 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 138891875:

5⁴ × 29 × 79 × 97

(5 × 5 × 5 × 5 × 29 × 79 × 97)

See below for interesting mathematical facts about the number 138891875 from the Numbermatics database.

Names of 138891875

Cardinal: 138891875 can be written as One hundred thirty-eight million, eight hundred ninety-one thousand, eight hundred seventy-five.

Scientific notation

Scientific notation: 1.38891875 × 10⁸

Factors of 138891875

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 210

Divisors of 138891875

Number of divisors d(n): 40
Complete list of divisors:
1 5 25 29 79 97 125 145 395 485 625 725 1975 2291 2425 2813 3625 7663 9875 11455 12125 14065 18125 38315 49375 57275 60625 70325 191575 222227 286375 351625 957875 1111135 1431875 1758125 4789375 5555675 27778375 138891875
Sum of all divisors σ(n): 183691200
Sum of proper divisors (its aliquot sum) s(n): 44799325
138891875 is a deficient number, because the sum of its proper divisors (44799325) is less than itself. Its deficiency is 94092550

Bases of 138891875

Binary: 1000010001110101001001100011₂
Hexadecimal: 0x8475263
Base-36: 2AOXNN

Squares and roots of 138891875

138891875 squared (138891875²) is 19290952941015625
138891875 cubed (138891875³) is 2679356624514424560546875
The square root of 138891875 is 11785.2397090599
The cube root of 138891875 is 517.8757957157

Scales and comparisons

How big is 138891875?

138,891,875 seconds is equal to 4 years, 21 weeks, 4 days, 13 hours, 4 minutes, 35 seconds.
To count from 1 to 138,891,875 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 138891875 cubic inches would be around 43.2 feet tall.

Recreational maths with 138891875

138891875 backwards is 578198831
The number of decimal digits it has is: 9
The sum of 138891875's digits is 50
More coming soon!

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The information we have on file for 138891875 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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