# 13409

## 13,409 is an odd composite number composed of three prime numbers multiplied together.

What does the number 13409 look like?

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

13409 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 13409:

### 11 × 23 × 53

See below for interesting mathematical facts about the number 13409 from the Numbermatics database.

### Names of 13409

• Cardinal: 13409 can be written as Thirteen thousand, four hundred nine.

### Scientific notation

• Scientific notation: 1.3409 × 104

### Factors of 13409

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 87

### Divisors of 13409

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 15552
• Sum of proper divisors (its aliquot sum) s(n): 2143
• 13409 is a deficient number, because the sum of its proper divisors (2143) is less than itself. Its deficiency is 11266

### Bases of 13409

• Binary: 110100011000012
• Base-36: ACH

### Squares and roots of 13409

• 13409 squared (134092) is 179801281
• 13409 cubed (134093) is 2410955376929
• The square root of 13409 is 115.7972365817
• The cube root of 13409 is 23.7573938199

### Scales and comparisons

How big is 13409?
• 13,409 seconds is equal to 3 hours, 43 minutes, 29 seconds.
• To count from 1 to 13,409 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 13409 cubic inches would be around 2 feet tall.

### Recreational maths with 13409

• 13409 backwards is 90431
• The number of decimal digits it has is: 5
• The sum of 13409's digits is 17
• More coming soon!