# 3721

## 3,721 is an odd composite number. It is composed of a single prime number multiplied by itself.

What does the number 3721 look like?

This visualization shows the relationship between its 1 prime factors (large circles) and 3 divisors.

3721 is an odd composite number. It has a total of three divisors.

## Prime factorization of 3721:

### 612

(61 × 61)

See below for interesting mathematical facts about the number 3721 from the Numbermatics database.

### Names of 3721

• Cardinal: 3721 can be written as Three thousand, seven hundred twenty-one.

### Scientific notation

• Scientific notation: 3.721 × 103

### Factors of 3721

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 61

### Divisors of 3721

• Number of divisors d(n): 3
• Complete list of divisors:
• Sum of all divisors σ(n): 3783
• Sum of proper divisors (its aliquot sum) s(n): 62
• 3721 is a deficient number, because the sum of its proper divisors (62) is less than itself. Its deficiency is 3659

### Bases of 3721

• Binary: 1110100010012
• Base-36: 2VD

### Squares and roots of 3721

• 3721 squared (37212) is 13845841
• 3721 cubed (37213) is 51520374361
• 3721 is a perfect square number. Its square root is 61
• The cube root of 3721 is 15.4960100723

### Scales and comparisons

How big is 3721?
• 3,721 seconds is equal to 1 hour, 2 minutes, 1 second.
• To count from 1 to 3,721 would take you about two 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 3721 cubic inches would be around 1.3 feet tall.

### Recreational maths with 3721

• 3721 backwards is 1273
• The number of decimal digits it has is: 4
• The sum of 3721's digits is 13
• More coming soon!

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"Number 3721 - Facts about the integer". Numbermatics.com. 2022. Web. 28 May 2022.

APA style:
Numbermatics. (2022). Number 3721 - Facts about the integer. Retrieved 28 May 2022, from https://numbermatics.com/n/3721/

Chicago style:
Numbermatics. 2022. "Number 3721 - Facts about the integer". https://numbermatics.com/n/3721/

The information we have on file for 3721 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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