138243

138,243 is an odd composite number composed of four prime numbers multiplied together.

What does the number 138243 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

138243 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 138243:

3 × 7 × 29 × 227

See below for interesting mathematical facts about the number 138243 from the Numbermatics database.

Names of 138243

Cardinal: 138243 can be written as One hundred thirty-eight thousand, two hundred forty-three.

Scientific notation

Scientific notation: 1.38243 × 10⁵

Factors of 138243

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 266

Divisors of 138243

Number of divisors d(n): 16
Complete list of divisors:
1 3 7 21 29 87 203 227 609 681 1589 4767 6583 19749 46081 138243
Sum of all divisors σ(n): 218880
Sum of proper divisors (its aliquot sum) s(n): 80637
138243 is a deficient number, because the sum of its proper divisors (80637) is less than itself. Its deficiency is 57606

Bases of 138243

Binary: 100001110000000011₂
Hexadecimal: 0x21C03
Base-36: 2YO3

Squares and roots of 138243

138243 squared (138243²) is 19111127049
138243 cubed (138243³) is 2641979536634907
The square root of 138243 is 371.8104355717
The cube root of 138243 is 51.7068065919

Scales and comparisons

How big is 138243?

138,243 seconds is equal to 1 day, 14 hours, 24 minutes, 3 seconds.
To count from 1 to 138,243 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 138243 cubic inches would be around 4.3 feet tall.

Recreational maths with 138243

138243 backwards is 342831
138243 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 138243's digits is 21
More coming soon!

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The information we have on file for 138243 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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