138390

138,390 is an even composite number composed of five prime numbers multiplied together.

What does the number 138390 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

138390 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 138390:

2 × 3 × 5 × 7 × 659

See below for interesting mathematical facts about the number 138390 from the Numbermatics database.

Names of 138390

Cardinal: 138390 can be written as One hundred thirty-eight thousand, three hundred ninety.

Scientific notation

Scientific notation: 1.3839 × 10⁵

Factors of 138390

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 676

Divisors of 138390

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 659 1318 1977 3295 3954 4613 6590 9226 9885 13839 19770 23065 27678 46130 69195 138390
Sum of all divisors σ(n): 380160
Sum of proper divisors (its aliquot sum) s(n): 241770
138390 is an abundant number, because the sum of its proper divisors (241770) is greater than itself. Its abundance is 103380

Bases of 138390

Binary: 100001110010010110₂
Hexadecimal: 0x21C96
Base-36: 2YS6

Squares and roots of 138390

138390 squared (138390²) is 19151792100
138390 cubed (138390³) is 2650416508719000
The square root of 138390 is 372.0080644287
The cube root of 138390 is 51.7251274907

Scales and comparisons

How big is 138390?

138,390 seconds is equal to 1 day, 14 hours, 26 minutes, 30 seconds.
To count from 1 to 138,390 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 138390 cubic inches would be around 4.3 feet tall.

Recreational maths with 138390

138390 backwards is 093831
The number of decimal digits it has is: 6
The sum of 138390's digits is 24
More coming soon!

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The information we have on file for 138390 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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