# 4891

## 4,891 is an odd composite number composed of two prime numbers multiplied together.

What does the number 4891 look like?

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

4891 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 4891:

### 67 × 73

See below for interesting mathematical facts about the number 4891 from the Numbermatics database.

### Names of 4891

• Cardinal: 4891 can be written as Four thousand, eight hundred ninety-one.

### Scientific notation

• Scientific notation: 4.891 × 103

### Factors of 4891

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 140

### Divisors of 4891

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 5032
• Sum of proper divisors (its aliquot sum) s(n): 141
• 4891 is a deficient number, because the sum of its proper divisors (141) is less than itself. Its deficiency is 4750

### Bases of 4891

• Binary: 10011000110112
• Base-36: 3RV

### Squares and roots of 4891

• 4891 squared (48912) is 23921881
• 4891 cubed (48913) is 117001919971
• The square root of 4891 is 69.9356847397
• The cube root of 4891 is 16.9745871743

### Scales and comparisons

How big is 4891?
• 4,891 seconds is equal to 1 hour, 21 minutes, 31 seconds.
• To count from 1 to 4,891 would take you about twenty-one 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 4891 cubic inches would be around 1.4 feet tall.

### Recreational maths with 4891

• 4891 backwards is 1984
• The number of decimal digits it has is: 4
• The sum of 4891's digits is 22
• More coming soon!

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Chicago style:
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The information we have on file for 4891 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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