# 4945

## 4,945 is an odd composite number composed of three prime numbers multiplied together.

What does the number 4945 look like?

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

4945 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 4945:

### 5 × 23 × 43

See below for interesting mathematical facts about the number 4945 from the Numbermatics database.

### Names of 4945

• Cardinal: 4945 can be written as Four thousand, nine hundred forty-five.

### Scientific notation

• Scientific notation: 4.945 × 103

### Factors of 4945

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 71

### Divisors of 4945

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 6336
• Sum of proper divisors (its aliquot sum) s(n): 1391
• 4945 is a deficient number, because the sum of its proper divisors (1391) is less than itself. Its deficiency is 3554

### Bases of 4945

• Binary: 10011010100012
• Base-36: 3TD

### Squares and roots of 4945

• 4945 squared (49452) is 24453025
• 4945 cubed (49453) is 120920208625
• The square root of 4945 is 70.3206939669
• The cube root of 4945 is 17.0368290367

### Scales and comparisons

How big is 4945?
• 4,945 seconds is equal to 1 hour, 22 minutes, 25 seconds.
• To count from 1 to 4,945 would take you about twenty-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 4945 cubic inches would be around 1.4 feet tall.

### Recreational maths with 4945

• 4945 backwards is 5494
• The number of decimal digits it has is: 4
• The sum of 4945's digits is 22
• More coming soon!

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"Number 4945 - Facts about the integer". Numbermatics.com. 2022. Web. 2 July 2022.

APA style:
Numbermatics. (2022). Number 4945 - Facts about the integer. Retrieved 2 July 2022, from https://numbermatics.com/n/4945/

Chicago style:
Numbermatics. 2022. "Number 4945 - Facts about the integer". https://numbermatics.com/n/4945/

The information we have on file for 4945 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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