# 2644

## 2,644 is an even composite number composed of two prime numbers multiplied together.

What does the number 2644 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

2644 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 2644:

### 22 × 661

(2 × 2 × 661)

See below for interesting mathematical facts about the number 2644 from the Numbermatics database.

### Names of 2644

• Cardinal: 2644 can be written as Two thousand, six hundred forty-four.

### Scientific notation

• Scientific notation: 2.644 × 103

### Factors of 2644

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 663

### Divisors of 2644

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 4634
• Sum of proper divisors (its aliquot sum) s(n): 1990
• 2644 is a deficient number, because the sum of its proper divisors (1990) is less than itself. Its deficiency is 654

### Bases of 2644

• Binary: 1010010101002
• Base-36: 21G

### Squares and roots of 2644

• 2644 squared (26442) is 6990736
• 2644 cubed (26443) is 18483505984
• The square root of 2644 is 51.4198405287
• The cube root of 2644 is 13.8278231631

### Scales and comparisons

How big is 2644?
• 2,644 seconds is equal to 44 minutes, 4 seconds.
• To count from 1 to 2,644 would take you about forty-four minutes.

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 2644 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2644

• 2644 backwards is 4462
• The number of decimal digits it has is: 4
• The sum of 2644's digits is 16
• More coming soon!

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"Number 2644 - Facts about the integer". Numbermatics.com. 2023. Web. 28 January 2023.

APA style:
Numbermatics. (2023). Number 2644 - Facts about the integer. Retrieved 28 January 2023, from https://numbermatics.com/n/2644/

Chicago style:
Numbermatics. 2023. "Number 2644 - Facts about the integer". https://numbermatics.com/n/2644/

The information we have on file for 2644 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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