# 20240

## 20,240 is an even composite number composed of four prime numbers multiplied together.

What does the number 20240 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

20240 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

## Prime factorization of 20240:

### 24 × 5 × 11 × 23

(2 × 2 × 2 × 2 × 5 × 11 × 23)

See below for interesting mathematical facts about the number 20240 from the Numbermatics database.

### Names of 20240

• Cardinal: 20240 can be written as Twenty thousand, two hundred forty.

### Scientific notation

• Scientific notation: 2.024 × 104

### Factors of 20240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 41

### Divisors of 20240

• Number of divisors d(n): 40
• Complete list of divisors:
• Sum of all divisors σ(n): 53568
• Sum of proper divisors (its aliquot sum) s(n): 33328
• 20240 is an abundant number, because the sum of its proper divisors (33328) is greater than itself. Its abundance is 13088

### Bases of 20240

• Binary: 1001111000100002
• Base-36: FM8

### Squares and roots of 20240

• 20240 squared (202402) is 409657600
• 20240 cubed (202403) is 8291469824000
• The square root of 20240 is 142.2673539503
• The cube root of 20240 is 27.2523214363

### Scales and comparisons

How big is 20240?
• 20,240 seconds is equal to 5 hours, 37 minutes, 20 seconds.
• To count from 1 to 20,240 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 20240 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20240

• 20240 backwards is 04202
• 20240 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 20240's digits is 8
• More coming soon!