138644

138,644 is an even composite number composed of four prime numbers multiplied together.

What does the number 138644 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

138644 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 138644:

2² × 11 × 23 × 137

(2 × 2 × 11 × 23 × 137)

See below for interesting mathematical facts about the number 138644 from the Numbermatics database.

Names of 138644

Cardinal: 138644 can be written as One hundred thirty-eight thousand, six hundred forty-four.

Scientific notation

Scientific notation: 1.38644 × 10⁵

Factors of 138644

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 173

Divisors of 138644

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 11 22 23 44 46 92 137 253 274 506 548 1012 1507 3014 3151 6028 6302 12604 34661 69322 138644
Sum of all divisors σ(n): 278208
Sum of proper divisors (its aliquot sum) s(n): 139564
138644 is an abundant number, because the sum of its proper divisors (139564) is greater than itself. Its abundance is 920

Bases of 138644

Binary: 100001110110010100₂
Hexadecimal: 0x21D94
Base-36: 2YZ8

Squares and roots of 138644

138644 squared (138644²) is 19222158736
138644 cubed (138644³) is 2665036975793984
The square root of 138644 is 372.3492983747
The cube root of 138644 is 51.7567534575

Scales and comparisons

How big is 138644?

138,644 seconds is equal to 1 day, 14 hours, 30 minutes, 44 seconds.
To count from 1 to 138,644 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 138644 cubic inches would be around 4.3 feet tall.

Recreational maths with 138644

138644 backwards is 446831
The number of decimal digits it has is: 6
The sum of 138644's digits is 26
More coming soon!

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The information we have on file for 138644 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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