# 189920

## 189,920 is an even composite number composed of three prime numbers multiplied together.

What does the number 189920 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

189920 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 189920:

### 25 × 5 × 1187

(2 × 2 × 2 × 2 × 2 × 5 × 1187)

See below for interesting mathematical facts about the number 189920 from the Numbermatics database.

### Names of 189920

• Cardinal: 189920 can be written as One hundred eighty-nine thousand, nine hundred twenty.

### Scientific notation

• Scientific notation: 1.8992 × 105

### Factors of 189920

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1194

### Divisors of 189920

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 449064
• Sum of proper divisors (its aliquot sum) s(n): 259144
• 189920 is an abundant number, because the sum of its proper divisors (259144) is greater than itself. Its abundance is 69224

### Bases of 189920

• Binary: 1011100101111000002
• Base-36: 42JK

### Squares and roots of 189920

• 189920 squared (1899202) is 36069606400
• 189920 cubed (1899203) is 6850339647488000
• The square root of 189920 is 435.7981183989
• The cube root of 189920 is 57.4809010293

### Scales and comparisons

How big is 189920?
• 189,920 seconds is equal to 2 days, 4 hours, 45 minutes, 20 seconds.
• To count from 1 to 189,920 would take you about two days.

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 189920 cubic inches would be around 4.8 feet tall.

### Recreational maths with 189920

• 189920 backwards is 029981
• The number of decimal digits it has is: 6
• The sum of 189920's digits is 29
• More coming soon!