# 18020

## 18,020 is an even composite number composed of four prime numbers multiplied together.

What does the number 18020 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

18020 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 18020:

### 22 × 5 × 17 × 53

(2 × 2 × 5 × 17 × 53)

See below for interesting mathematical facts about the number 18020 from the Numbermatics database.

### Names of 18020

• Cardinal: 18020 can be written as Eighteen thousand and twenty.

### Scientific notation

• Scientific notation: 1.802 × 104

### Factors of 18020

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 77

### Divisors of 18020

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 40824
• Sum of proper divisors (its aliquot sum) s(n): 22804
• 18020 is an abundant number, because the sum of its proper divisors (22804) is greater than itself. Its abundance is 4784

### Bases of 18020

• Binary: 1000110011001002
• Base-36: DWK

### Squares and roots of 18020

• 18020 squared (180202) is 324720400
• 18020 cubed (180203) is 5851461608000
• The square root of 18020 is 134.2385935565
• The cube root of 18020 is 26.2171167989

### Scales and comparisons

How big is 18020?
• 18,020 seconds is equal to 5 hours, 20 seconds.
• To count from 1 to 18,020 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 18020 cubic inches would be around 2.2 feet tall.

### Recreational maths with 18020

• 18020 backwards is 02081
• The number of decimal digits it has is: 5
• The sum of 18020's digits is 11
• More coming soon!