# 13809

## 13,809 is an odd composite number composed of two prime numbers multiplied together.

What does the number 13809 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

13809 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 13809:

### 3 × 4603

See below for interesting mathematical facts about the number 13809 from the Numbermatics database.

### Names of 13809

• Cardinal: 13809 can be written as Thirteen thousand, eight hundred nine.

### Scientific notation

• Scientific notation: 1.3809 × 104

### Factors of 13809

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4606

### Divisors of 13809

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 18416
• Sum of proper divisors (its aliquot sum) s(n): 4607
• 13809 is a deficient number, because the sum of its proper divisors (4607) is less than itself. Its deficiency is 9202

### Bases of 13809

• Binary: 110101111100012
• Base-36: ANL

### Squares and roots of 13809

• 13809 squared (138092) is 190688481
• 13809 cubed (138093) is 2633217234129
• The square root of 13809 is 117.5117015449
• The cube root of 13809 is 23.9913163029

### Scales and comparisons

How big is 13809?
• 13,809 seconds is equal to 3 hours, 50 minutes, 9 seconds.
• To count from 1 to 13,809 would take you about three 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 13809 cubic inches would be around 2 feet tall.

### Recreational maths with 13809

• 13809 backwards is 90831
• The number of decimal digits it has is: 5
• The sum of 13809's digits is 21
• More coming soon!

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The information we have on file for 13809 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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