# 189720

## 189,720 is an even composite number composed of five prime numbers multiplied together.

What does the number 189720 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 96 divisors.

189720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.

## Prime factorization of 189720:

### 23 × 32 × 5 × 17 × 31

(2 × 2 × 2 × 3 × 3 × 5 × 17 × 31)

See below for interesting mathematical facts about the number 189720 from the Numbermatics database.

### Names of 189720

• Cardinal: 189720 can be written as One hundred eighty-nine thousand, seven hundred twenty.

### Scientific notation

• Scientific notation: 1.8972 × 105

### Factors of 189720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 58

### Divisors of 189720

• Number of divisors d(n): 96
• Complete list of divisors:
• Sum of all divisors σ(n): 673920
• Sum of proper divisors (its aliquot sum) s(n): 484200
• 189720 is an abundant number, because the sum of its proper divisors (484200) is greater than itself. Its abundance is 294480

### Bases of 189720

• Binary: 1011100101000110002
• Base-36: 42E0

### Squares and roots of 189720

• 189720 squared (1897202) is 35993678400
• 189720 cubed (1897203) is 6828720666048000
• The square root of 189720 is 435.5685939091
• The cube root of 189720 is 57.4607167093

### Scales and comparisons

How big is 189720?
• 189,720 seconds is equal to 2 days, 4 hours, 42 minutes.
• To count from 1 to 189,720 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 189720 cubic inches would be around 4.8 feet tall.

### Recreational maths with 189720

• 189720 backwards is 027981
• The number of decimal digits it has is: 6
• The sum of 189720's digits is 27
• More coming soon!