# 3215

## 3,215 is an odd composite number composed of two prime numbers multiplied together.

What does the number 3215 look like?

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

3215 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 3215:

### 5 × 643

See below for interesting mathematical facts about the number 3215 from the Numbermatics database.

### Names of 3215

• Cardinal: 3215 can be written as Three thousand, two hundred fifteen.

### Scientific notation

• Scientific notation: 3.215 × 103

### Factors of 3215

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 648

### Divisors of 3215

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 3864
• Sum of proper divisors (its aliquot sum) s(n): 649
• 3215 is a deficient number, because the sum of its proper divisors (649) is less than itself. Its deficiency is 2566

### Bases of 3215

• Binary: 1100100011112
• Base-36: 2HB

### Squares and roots of 3215

• 3215 squared (32152) is 10336225
• 3215 cubed (32153) is 33230963375
• The square root of 3215 is 56.7009700093
• The cube root of 3215 is 14.7591153079

### Scales and comparisons

How big is 3215?
• 3,215 seconds is equal to 53 minutes, 35 seconds.
• To count from 1 to 3,215 would take you about fifty-three 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 3215 cubic inches would be around 1.2 feet tall.

### Recreational maths with 3215

• 3215 backwards is 5123
• The number of decimal digits it has is: 4
• The sum of 3215's digits is 11
• More coming soon!

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"Number 3215 - Facts about the integer". Numbermatics.com. 2022. Web. 2 July 2022.

APA style:
Numbermatics. (2022). Number 3215 - Facts about the integer. Retrieved 2 July 2022, from https://numbermatics.com/n/3215/

Chicago style:
Numbermatics. 2022. "Number 3215 - Facts about the integer". https://numbermatics.com/n/3215/

The information we have on file for 3215 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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