# 18992

## 18,992 is an even composite number composed of two prime numbers multiplied together.

What does the number 18992 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

18992 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

## Prime factorization of 18992:

### 24 × 1187

(2 × 2 × 2 × 2 × 1187)

See below for interesting mathematical facts about the number 18992 from the Numbermatics database.

### Names of 18992

• Cardinal: 18992 can be written as Eighteen thousand, nine hundred ninety-two.

### Scientific notation

• Scientific notation: 1.8992 × 104

### Factors of 18992

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1189

### Divisors of 18992

• Number of divisors d(n): 10
• Complete list of divisors:
• Sum of all divisors σ(n): 36828
• Sum of proper divisors (its aliquot sum) s(n): 17836
• 18992 is a deficient number, because the sum of its proper divisors (17836) is less than itself. Its deficiency is 1156

### Bases of 18992

• Binary: 1001010001100002
• Base-36: ENK

### Squares and roots of 18992

• 18992 squared (189922) is 360696064
• 18992 cubed (189923) is 6850339647488
• The square root of 18992 is 137.8114654157
• The cube root of 18992 is 26.6802708363

### Scales and comparisons

How big is 18992?
• 18,992 seconds is equal to 5 hours, 16 minutes, 32 seconds.
• To count from 1 to 18,992 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 18992 cubic inches would be around 2.2 feet tall.

### Recreational maths with 18992

• 18992 backwards is 29981
• The number of decimal digits it has is: 5
• The sum of 18992's digits is 29
• More coming soon!