138256

138,256 is an even composite number composed of two prime numbers multiplied together.

What does the number 138256 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

138256 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 138256:

2⁴ × 8641

(2 × 2 × 2 × 2 × 8641)

See below for interesting mathematical facts about the number 138256 from the Numbermatics database.

Names of 138256

Cardinal: 138256 can be written as One hundred thirty-eight thousand, two hundred fifty-six.

Scientific notation

Scientific notation: 1.38256 × 10⁵

Factors of 138256

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 5
Sum of prime factors: 8643

Divisors of 138256

Number of divisors d(n): 10
Complete list of divisors:
1 2 4 8 16 8641 17282 34564 69128 138256
Sum of all divisors σ(n): 267902
Sum of proper divisors (its aliquot sum) s(n): 129646
138256 is a deficient number, because the sum of its proper divisors (129646) is less than itself. Its deficiency is 8610

Bases of 138256

Binary: 100001110000010000₂
Hexadecimal: 0x21C10
Base-36: 2YOG

Squares and roots of 138256

138256 squared (138256²) is 19114721536
138256 cubed (138256³) is 2642724940681216
The square root of 138256 is 371.8279171875
The cube root of 138256 is 51.7084273307

Scales and comparisons

How big is 138256?

138,256 seconds is equal to 1 day, 14 hours, 24 minutes, 16 seconds.
To count from 1 to 138,256 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 138256 cubic inches would be around 4.3 feet tall.

Recreational maths with 138256

138256 backwards is 652831
The number of decimal digits it has is: 6
The sum of 138256's digits is 25
More coming soon!

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The information we have on file for 138256 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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