# 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:
• 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
• 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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