# 18908

## 18,908 is an even composite number composed of three prime numbers multiplied together.

What does the number 18908 look like?

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

18908 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 18908:

### 22 × 29 × 163

(2 × 2 × 29 × 163)

See below for interesting mathematical facts about the number 18908 from the Numbermatics database.

### Names of 18908

• Cardinal: 18908 can be written as Eighteen thousand, nine hundred eight.

### Scientific notation

• Scientific notation: 1.8908 × 104

### Factors of 18908

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 194

### Divisors of 18908

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 34440
• Sum of proper divisors (its aliquot sum) s(n): 15532
• 18908 is a deficient number, because the sum of its proper divisors (15532) is less than itself. Its deficiency is 3376

### Bases of 18908

• Binary: 1001001110111002
• Base-36: EL8

### Squares and roots of 18908

• 18908 squared (189082) is 357512464
• 18908 cubed (189083) is 6759845669312
• The square root of 18908 is 137.5063634889
• The cube root of 18908 is 26.6408778459

### Scales and comparisons

How big is 18908?
• 18,908 seconds is equal to 5 hours, 15 minutes, 8 seconds.
• To count from 1 to 18,908 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 18908 cubic inches would be around 2.2 feet tall.

### Recreational maths with 18908

• 18908 backwards is 80981
• The number of decimal digits it has is: 5
• The sum of 18908's digits is 26
• More coming soon!