138481

138,481 is an odd composite number composed of three prime numbers multiplied together.

What does the number 138481 look like?

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

138481 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 138481:

7 × 73 × 271

See below for interesting mathematical facts about the number 138481 from the Numbermatics database.

Names of 138481

Cardinal: 138481 can be written as One hundred thirty-eight thousand, four hundred eighty-one.

Scientific notation

Scientific notation: 1.38481 × 10⁵

Factors of 138481

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 351

Divisors of 138481

Number of divisors d(n): 8
Complete list of divisors:
1 7 73 271 511 1897 19783 138481
Sum of all divisors σ(n): 161024
Sum of proper divisors (its aliquot sum) s(n): 22543
138481 is a deficient number, because the sum of its proper divisors (22543) is less than itself. Its deficiency is 115938

Bases of 138481

Binary: 100001110011110001₂
Hexadecimal: 0x21CF1
Base-36: 2YUP

Squares and roots of 138481

138481 squared (138481²) is 19176987361
138481 cubed (138481³) is 2655648386738641
The square root of 138481 is 372.1303535053
The cube root of 138481 is 51.7364624987

Scales and comparisons

How big is 138481?

138,481 seconds is equal to 1 day, 14 hours, 28 minutes, 1 second.
To count from 1 to 138,481 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 138481 cubic inches would be around 4.3 feet tall.

Recreational maths with 138481

138481 backwards is 184831
The number of decimal digits it has is: 6
The sum of 138481's digits is 25
More coming soon!

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The information we have on file for 138481 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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