# 20790

## 20,790 is an even composite number composed of five prime numbers multiplied together.

What does the number 20790 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 64 divisors.

20790 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.

## Prime factorization of 20790:

### 2 × 33 × 5 × 7 × 11

(2 × 3 × 3 × 3 × 5 × 7 × 11)

See below for interesting mathematical facts about the number 20790 from the Numbermatics database.

### Names of 20790

• Cardinal: 20790 can be written as Twenty thousand, seven hundred ninety.

### Scientific notation

• Scientific notation: 2.079 × 104

### Factors of 20790

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 28

### Divisors of 20790

• Number of divisors d(n): 64
• Complete list of divisors:
• Sum of all divisors σ(n): 69120
• Sum of proper divisors (its aliquot sum) s(n): 48330
• 20790 is an abundant number, because the sum of its proper divisors (48330) is greater than itself. Its abundance is 27540

### Bases of 20790

• Binary: 1010001001101102
• Base-36: G1I

### Squares and roots of 20790

• 20790 squared (207902) is 432224100
• 20790 cubed (207903) is 8985939039000
• The square root of 20790 is 144.1873780883
• The cube root of 20790 is 27.4969693629

### Scales and comparisons

How big is 20790?
• 20,790 seconds is equal to 5 hours, 46 minutes, 30 seconds.
• To count from 1 to 20,790 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 20790 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20790

• 20790 backwards is 09702
• 20790 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 20790's digits is 18
• More coming soon!