# 5145

## 5,145 is an odd composite number composed of three prime numbers multiplied together.

What does the number 5145 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

5145 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 5145:

### 3 × 5 × 73

(3 × 5 × 7 × 7 × 7)

See below for interesting mathematical facts about the number 5145 from the Numbermatics database.

### Names of 5145

• Cardinal: 5145 can be written as Five thousand, one hundred forty-five.

### Scientific notation

• Scientific notation: 5.145 × 103

### Factors of 5145

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 15

### Divisors of 5145

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 9600
• Sum of proper divisors (its aliquot sum) s(n): 4455
• 5145 is a deficient number, because the sum of its proper divisors (4455) is less than itself. Its deficiency is 690

### Bases of 5145

• Binary: 10100000110012
• Base-36: 3YX

### Squares and roots of 5145

• 5145 squared (51452) is 26471025
• 5145 cubed (51453) is 136193423625
• The square root of 5145 is 71.7286553617
• The cube root of 5145 is 17.2634845203

### Scales and comparisons

How big is 5145?
• 5,145 seconds is equal to 1 hour, 25 minutes, 45 seconds.
• To count from 1 to 5,145 would take you about twenty-five 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 5145 cubic inches would be around 1.4 feet tall.

### Recreational maths with 5145

• 5145 backwards is 5415
• 5145 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 5145's digits is 15
• More coming soon!

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Chicago style:
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The information we have on file for 5145 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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