# 5991

## 5,991 is an odd composite number composed of two prime numbers multiplied together.

What does the number 5991 look like?

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

5991 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 5991:

### 3 × 1997

See below for interesting mathematical facts about the number 5991 from the Numbermatics database.

### Names of 5991

• Cardinal: 5991 can be written as Five thousand, nine hundred ninety-one.

### Scientific notation

• Scientific notation: 5.991 × 103

### Factors of 5991

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2000

### Divisors of 5991

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 7992
• Sum of proper divisors (its aliquot sum) s(n): 2001
• 5991 is a deficient number, because the sum of its proper divisors (2001) is less than itself. Its deficiency is 3990

### Bases of 5991

• Binary: 10111011001112
• Base-36: 4MF

### Squares and roots of 5991

• 5991 squared (59912) is 35892081
• 5991 cubed (59913) is 215029457271
• The square root of 5991 is 77.4015503721
• The cube root of 5991 is 18.1621157787

### Scales and comparisons

How big is 5991?
• 5,991 seconds is equal to 1 hour, 39 minutes, 51 seconds.
• To count from 1 to 5,991 would take you about thirty-nine 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 5991 cubic inches would be around 1.5 feet tall.

### Recreational maths with 5991

• 5991 backwards is 1995
• The number of decimal digits it has is: 4
• The sum of 5991's digits is 24
• More coming soon!

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The information we have on file for 5991 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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