138398

138,398 is an even composite number composed of three prime numbers multiplied together.

What does the number 138398 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

138398 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 138398:

2 × 13 × 5323

See below for interesting mathematical facts about the number 138398 from the Numbermatics database.

Names of 138398

Cardinal: 138398 can be written as One hundred thirty-eight thousand, three hundred ninety-eight.

Scientific notation

Scientific notation: 1.38398 × 10⁵

Factors of 138398

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 5338

Divisors of 138398

Number of divisors d(n): 8
Complete list of divisors:
1 2 13 26 5323 10646 69199 138398
Sum of all divisors σ(n): 223608
Sum of proper divisors (its aliquot sum) s(n): 85210
138398 is a deficient number, because the sum of its proper divisors (85210) is less than itself. Its deficiency is 53188

Bases of 138398

Binary: 100001110010011110₂
Hexadecimal: 0x21C9E
Base-36: 2YSE

Squares and roots of 138398

138398 squared (138398²) is 19154006404
138398 cubed (138398³) is 2650876178300792
The square root of 138398 is 372.0188167285
The cube root of 138398 is 51.7261241741

Scales and comparisons

How big is 138398?

138,398 seconds is equal to 1 day, 14 hours, 26 minutes, 38 seconds.
To count from 1 to 138,398 would take you about fourteen hours.

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 138398 cubic inches would be around 4.3 feet tall.

Recreational maths with 138398

138398 backwards is 893831
The number of decimal digits it has is: 6
The sum of 138398's digits is 32
More coming soon!

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The information we have on file for 138398 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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