# 13689

## 13,689 is an odd composite number composed of two prime numbers multiplied together.

What does the number 13689 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 15 divisors.

13689 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of fifteen divisors.

## Prime factorization of 13689:

### 34 × 132

(3 × 3 × 3 × 3 × 13 × 13)

See below for interesting mathematical facts about the number 13689 from the Numbermatics database.

### Names of 13689

• Cardinal: 13689 can be written as Thirteen thousand, six hundred eighty-nine.

### Scientific notation

• Scientific notation: 1.3689 × 104

### Factors of 13689

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 16

### Divisors of 13689

• Number of divisors d(n): 15
• Complete list of divisors:
• Sum of all divisors σ(n): 22143
• Sum of proper divisors (its aliquot sum) s(n): 8454
• 13689 is a deficient number, because the sum of its proper divisors (8454) is less than itself. Its deficiency is 5235

### Bases of 13689

• Binary: 110101011110012
• Hexadecimal: 0x3579
• Base-36: AK9

### Squares and roots of 13689

• 13689 squared (136892) is 187388721
• 13689 cubed (136893) is 2565164201769
• 13689 is a perfect square number. Its square root is 117
• The cube root of 13689 is 23.9216192981

### Scales and comparisons

How big is 13689?
• 13,689 seconds is equal to 3 hours, 48 minutes, 9 seconds.
• To count from 1 to 13,689 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 13689 cubic inches would be around 2 feet tall.

### Recreational maths with 13689

• 13689 backwards is 98631
• 13689 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 13689's digits is 27
• More coming soon!

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The information we have on file for 13689 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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