138856

138,856 is an even composite number composed of three prime numbers multiplied together.

What does the number 138856 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

138856 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 138856:

2³ × 17 × 1021

(2 × 2 × 2 × 17 × 1021)

See below for interesting mathematical facts about the number 138856 from the Numbermatics database.

Names of 138856

Cardinal: 138856 can be written as One hundred thirty-eight thousand, eight hundred fifty-six.

Scientific notation

Scientific notation: 1.38856 × 10⁵

Factors of 138856

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 1040

Divisors of 138856

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 8 17 34 68 136 1021 2042 4084 8168 17357 34714 69428 138856
Sum of all divisors σ(n): 275940
Sum of proper divisors (its aliquot sum) s(n): 137084
138856 is a deficient number, because the sum of its proper divisors (137084) is less than itself. Its deficiency is 1772

Bases of 138856

Binary: 100001111001101000₂
Hexadecimal: 0x21E68
Base-36: 2Z54

Squares and roots of 138856

138856 squared (138856²) is 19280988736
138856 cubed (138856³) is 2677280971926016
The square root of 138856 is 372.6338685627
The cube root of 138856 is 51.7831203729

Scales and comparisons

How big is 138856?

138,856 seconds is equal to 1 day, 14 hours, 34 minutes, 16 seconds.
To count from 1 to 138,856 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 138856 cubic inches would be around 4.3 feet tall.

Recreational maths with 138856

138856 backwards is 658831
The number of decimal digits it has is: 6
The sum of 138856's digits is 31
More coming soon!

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The information we have on file for 138856 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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