# 3681

## 3,681 is an odd composite number composed of two prime numbers multiplied together.

What does the number 3681 look like?

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

3681 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 3681:

### 32 × 409

(3 × 3 × 409)

See below for interesting mathematical facts about the number 3681 from the Numbermatics database.

### Names of 3681

• Cardinal: 3681 can be written as Three thousand, six hundred eighty-one.

### Scientific notation

• Scientific notation: 3.681 × 103

### Factors of 3681

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 412

### Divisors of 3681

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 5330
• Sum of proper divisors (its aliquot sum) s(n): 1649
• 3681 is a deficient number, because the sum of its proper divisors (1649) is less than itself. Its deficiency is 2032

### Bases of 3681

• Binary: 1110011000012
• Base-36: 2U9

### Squares and roots of 3681

• 3681 squared (36812) is 13549761
• 3681 cubed (36813) is 49876670241
• The square root of 3681 is 60.6712452485
• The cube root of 3681 is 15.4402835819

### Scales and comparisons

How big is 3681?
• 3,681 seconds is equal to 1 hour, 1 minute, 21 seconds.
• To count from 1 to 3,681 would take you about twenty-one seconds.

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 3681 cubic inches would be around 1.3 feet tall.

### Recreational maths with 3681

• 3681 backwards is 1863
• The number of decimal digits it has is: 4
• The sum of 3681's digits is 18
• More coming soon!

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"Number 3681 - Facts about the integer". Numbermatics.com. 2022. Web. 16 August 2022.

APA style:
Numbermatics. (2022). Number 3681 - Facts about the integer. Retrieved 16 August 2022, from https://numbermatics.com/n/3681/

Chicago style:
Numbermatics. 2022. "Number 3681 - Facts about the integer". https://numbermatics.com/n/3681/

The information we have on file for 3681 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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