# 17920

## 17,920 is an even composite number composed of three prime numbers multiplied together.

What does the number 17920 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 40 divisors.

17920 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty divisors.

## Prime factorization of 17920:

### 29 × 5 × 7

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7)

See below for interesting mathematical facts about the number 17920 from the Numbermatics database.

### Names of 17920

• Cardinal: 17920 can be written as Seventeen thousand, nine hundred twenty.

### Scientific notation

• Scientific notation: 1.792 × 104

### Factors of 17920

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 14

### Divisors of 17920

• Number of divisors d(n): 40
• Complete list of divisors:
• Sum of all divisors σ(n): 49104
• Sum of proper divisors (its aliquot sum) s(n): 31184
• 17920 is an abundant number, because the sum of its proper divisors (31184) is greater than itself. Its abundance is 13264

### Bases of 17920

• Binary: 1000110000000002
• Base-36: DTS

### Squares and roots of 17920

• 17920 squared (179202) is 321126400
• 17920 cubed (179203) is 5754585088000
• The square root of 17920 is 133.8656042455
• The cube root of 17920 is 26.1685304815

### Scales and comparisons

How big is 17920?
• 17,920 seconds is equal to 4 hours, 58 minutes, 40 seconds.
• To count from 1 to 17,920 would take you about four 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 17920 cubic inches would be around 2.2 feet tall.

### Recreational maths with 17920

• 17920 backwards is 02971
• The number of decimal digits it has is: 5
• The sum of 17920's digits is 19
• More coming soon!