# 5661

## 5,661 is an odd composite number composed of three prime numbers multiplied together.

What does the number 5661 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

5661 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 5661:

### 32 × 17 × 37

(3 × 3 × 17 × 37)

See below for interesting mathematical facts about the number 5661 from the Numbermatics database.

### Names of 5661

• Cardinal: 5661 can be written as Five thousand, six hundred sixty-one.

### Scientific notation

• Scientific notation: 5.661 × 103

### Factors of 5661

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 57

### Divisors of 5661

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 8892
• Sum of proper divisors (its aliquot sum) s(n): 3231
• 5661 is a deficient number, because the sum of its proper divisors (3231) is less than itself. Its deficiency is 2430

### Bases of 5661

• Binary: 10110000111012
• Base-36: 4D9

### Squares and roots of 5661

• 5661 squared (56612) is 32046921
• 5661 cubed (56613) is 181417619781
• The square root of 5661 is 75.2396172239
• The cube root of 5661 is 17.8223260651

### Scales and comparisons

How big is 5661?
• 5,661 seconds is equal to 1 hour, 34 minutes, 21 seconds.
• To count from 1 to 5,661 would take you about thirty-four 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 5661 cubic inches would be around 1.5 feet tall.

### Recreational maths with 5661

• 5661 backwards is 1665
• The number of decimal digits it has is: 4
• The sum of 5661's digits is 18
• More coming soon!