# 13643

## 13,643 is an odd composite number composed of two prime numbers multiplied together.

What does the number 13643 look like?

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

13643 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 13643:

### 7 × 1949

See below for interesting mathematical facts about the number 13643 from the Numbermatics database.

### Names of 13643

• Cardinal: 13643 can be written as Thirteen thousand, six hundred forty-three.

### Scientific notation

• Scientific notation: 1.3643 × 104

### Factors of 13643

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1956

### Divisors of 13643

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 15600
• Sum of proper divisors (its aliquot sum) s(n): 1957
• 13643 is a deficient number, because the sum of its proper divisors (1957) is less than itself. Its deficiency is 11686

### Bases of 13643

• Binary: 110101010010112
• Base-36: AIZ

### Squares and roots of 13643

• 13643 squared (136432) is 186131449
• 13643 cubed (136433) is 2539391358707
• The square root of 13643 is 116.8032533793
• The cube root of 13643 is 23.8947941255

### Scales and comparisons

How big is 13643?
• 13,643 seconds is equal to 3 hours, 47 minutes, 23 seconds.
• To count from 1 to 13,643 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 13643 cubic inches would be around 2 feet tall.

### Recreational maths with 13643

• 13643 backwards is 34631
• The number of decimal digits it has is: 5
• The sum of 13643's digits is 17
• More coming soon!

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The information we have on file for 13643 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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