138155

138,155 is an odd composite number composed of two prime numbers multiplied together.

What does the number 138155 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

138155 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 138155:

5 × 27631

See below for interesting mathematical facts about the number 138155 from the Numbermatics database.

Names of 138155

Cardinal: 138155 can be written as One hundred thirty-eight thousand, one hundred fifty-five.

Scientific notation

Scientific notation: 1.38155 × 10⁵

Factors of 138155

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 27636

Divisors of 138155

Number of divisors d(n): 4
Complete list of divisors:
1 5 27631 138155
Sum of all divisors σ(n): 165792
Sum of proper divisors (its aliquot sum) s(n): 27637
138155 is a deficient number, because the sum of its proper divisors (27637) is less than itself. Its deficiency is 110518

Bases of 138155

Binary: 100001101110101011₂
Hexadecimal: 0x21BAB
Base-36: 2YLN

Squares and roots of 138155

138155 squared (138155²) is 19086804025
138155 cubed (138155³) is 2636937410073875
The square root of 138155 is 371.6920768593
The cube root of 138155 is 51.6958327637

Scales and comparisons

How big is 138155?

138,155 seconds is equal to 1 day, 14 hours, 22 minutes, 35 seconds.
To count from 1 to 138,155 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 138155 cubic inches would be around 4.3 feet tall.

Recreational maths with 138155

138155 backwards is 551831
The number of decimal digits it has is: 6
The sum of 138155's digits is 23
More coming soon!

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The information we have on file for 138155 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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