# 20660

## 20,660 is an even composite number composed of three prime numbers multiplied together.

What does the number 20660 look like?

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

20660 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 20660:

### 22 × 5 × 1033

(2 × 2 × 5 × 1033)

See below for interesting mathematical facts about the number 20660 from the Numbermatics database.

### Names of 20660

• Cardinal: 20660 can be written as Twenty thousand, six hundred sixty.

### Scientific notation

• Scientific notation: 2.066 × 104

### Factors of 20660

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1040

### Divisors of 20660

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 43428
• Sum of proper divisors (its aliquot sum) s(n): 22768
• 20660 is an abundant number, because the sum of its proper divisors (22768) is greater than itself. Its abundance is 2108

### Bases of 20660

• Binary: 1010000101101002
• Base-36: FXW

### Squares and roots of 20660

• 20660 squared (206602) is 426835600
• 20660 cubed (206603) is 8818423496000
• The square root of 20660 is 143.7358688707
• The cube root of 20660 is 27.4395365799

### Scales and comparisons

How big is 20660?
• 20,660 seconds is equal to 5 hours, 44 minutes, 20 seconds.
• To count from 1 to 20,660 would take you about five hours.

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 20660 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20660

• 20660 backwards is 06602
• The number of decimal digits it has is: 5
• The sum of 20660's digits is 14
• More coming soon!