# 18730

## 18,730 is an even composite number composed of three prime numbers multiplied together.

What does the number 18730 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

18730 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 18730:

### 2 × 5 × 1873

See below for interesting mathematical facts about the number 18730 from the Numbermatics database.

### Names of 18730

• Cardinal: 18730 can be written as Eighteen thousand, seven hundred thirty.

### Scientific notation

• Scientific notation: 1.873 × 104

### Factors of 18730

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1880

### Divisors of 18730

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 33732
• Sum of proper divisors (its aliquot sum) s(n): 15002
• 18730 is a deficient number, because the sum of its proper divisors (15002) is less than itself. Its deficiency is 3728

### Bases of 18730

• Binary: 1001001001010102
• Base-36: EGA

### Squares and roots of 18730

• 18730 squared (187302) is 350812900
• 18730 cubed (187303) is 6570725617000
• The square root of 18730 is 136.8575902169
• The cube root of 18730 is 26.5570150149

### Scales and comparisons

How big is 18730?
• 18,730 seconds is equal to 5 hours, 12 minutes, 10 seconds.
• To count from 1 to 18,730 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 18730 cubic inches would be around 2.2 feet tall.

### Recreational maths with 18730

• 18730 backwards is 03781
• The number of decimal digits it has is: 5
• The sum of 18730's digits is 19
• More coming soon!