138009

138,009 is an odd composite number composed of three prime numbers multiplied together.

What does the number 138009 look like?

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

138009 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 138009:

3 × 179 × 257

See below for interesting mathematical facts about the number 138009 from the Numbermatics database.

Names of 138009

Cardinal: 138009 can be written as One hundred thirty-eight thousand and nine.

Scientific notation

Scientific notation: 1.38009 × 10⁵

Factors of 138009

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 439

Divisors of 138009

Number of divisors d(n): 8
Complete list of divisors:
1 3 179 257 537 771 46003 138009
Sum of all divisors σ(n): 185760
Sum of proper divisors (its aliquot sum) s(n): 47751
138009 is a deficient number, because the sum of its proper divisors (47751) is less than itself. Its deficiency is 90258

Bases of 138009

Binary: 100001101100011001₂
Hexadecimal: 0x21B19
Base-36: 2YHL

Squares and roots of 138009

138009 squared (138009²) is 19046484081
138009 cubed (138009³) is 2628586221534729
The square root of 138009 is 371.4956258155
The cube root of 138009 is 51.6776159013

Scales and comparisons

How big is 138009?

138,009 seconds is equal to 1 day, 14 hours, 20 minutes, 9 seconds.
To count from 1 to 138,009 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 138009 cubic inches would be around 4.3 feet tall.

Recreational maths with 138009

138009 backwards is 900831
The number of decimal digits it has is: 6
The sum of 138009's digits is 21
More coming soon!

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The information we have on file for 138009 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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