# 18490

## 18,490 is an even composite number composed of three prime numbers multiplied together.

What does the number 18490 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

18490 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 18490:

### 2 × 5 × 432

(2 × 5 × 43 × 43)

See below for interesting mathematical facts about the number 18490 from the Numbermatics database.

### Names of 18490

• Cardinal: 18490 can be written as Eighteen thousand, four hundred ninety.

### Scientific notation

• Scientific notation: 1.849 × 104

### Factors of 18490

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 50

### Divisors of 18490

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 34074
• Sum of proper divisors (its aliquot sum) s(n): 15584
• 18490 is a deficient number, because the sum of its proper divisors (15584) is less than itself. Its deficiency is 2906

### Bases of 18490

• Binary: 1001000001110102
• Base-36: E9M

### Squares and roots of 18490

• 18490 squared (184902) is 341880100
• 18490 cubed (184903) is 6321363049000
• The square root of 18490 is 135.9779393873
• The cube root of 18490 is 26.4430961239

### Scales and comparisons

How big is 18490?
• 18,490 seconds is equal to 5 hours, 8 minutes, 10 seconds.
• To count from 1 to 18,490 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 18490 cubic inches would be around 2.2 feet tall.

### Recreational maths with 18490

• 18490 backwards is 09481
• The number of decimal digits it has is: 5
• The sum of 18490's digits is 22
• More coming soon!