# 3145

## 3,145 is an odd composite number composed of three prime numbers multiplied together.

What does the number 3145 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

3145 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 3145:

### 5 × 17 × 37

See below for interesting mathematical facts about the number 3145 from the Numbermatics database.

### Names of 3145

• Cardinal: 3145 can be written as Three thousand, one hundred forty-five.

### Scientific notation

• Scientific notation: 3.145 × 103

### Factors of 3145

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 59

### Divisors of 3145

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 4104
• Sum of proper divisors (its aliquot sum) s(n): 959
• 3145 is a deficient number, because the sum of its proper divisors (959) is less than itself. Its deficiency is 2186

### Bases of 3145

• Binary: 1100010010012
• Base-36: 2FD

### Squares and roots of 3145

• 3145 squared (31452) is 9891025
• 3145 cubed (31453) is 31107273625
• The square root of 3145 is 56.0802995715
• The cube root of 3145 is 14.6512119115

### Scales and comparisons

How big is 3145?
• 3,145 seconds is equal to 52 minutes, 25 seconds.
• To count from 1 to 3,145 would take you about fifty-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 3145 cubic inches would be around 1.2 feet tall.

### Recreational maths with 3145

• 3145 backwards is 5413
• The number of decimal digits it has is: 4
• The sum of 3145's digits is 13
• More coming soon!

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"Number 3145 - Facts about the integer". Numbermatics.com. 2022. Web. 28 May 2022.

APA style:
Numbermatics. (2022). Number 3145 - Facts about the integer. Retrieved 28 May 2022, from https://numbermatics.com/n/3145/

Chicago style:
Numbermatics. 2022. "Number 3145 - Facts about the integer". https://numbermatics.com/n/3145/

The information we have on file for 3145 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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