# 320439680

## 320,439,680 is an even composite number composed of five prime numbers multiplied together.

What does the number 320439680 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 128 divisors.

320439680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.

## Prime factorization of 320439680:

### 27 × 5 × 11 × 23 × 1979

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 23 × 1979)

See below for interesting mathematical facts about the number 320439680 from the Numbermatics database.

### Names of 320439680

• Cardinal: 320439680 can be written as Three hundred twenty million, four hundred thirty-nine thousand, six hundred eighty.

### Scientific notation

• Scientific notation: 3.2043968 × 108

### Factors of 320439680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2020

### Divisors of 320439680

• Number of divisors d(n): 128
• Complete list of divisors:
• Sum of all divisors σ(n): 872467200
• Sum of proper divisors (its aliquot sum) s(n): 552027520
• 320439680 is an abundant number, because the sum of its proper divisors (552027520) is greater than itself. Its abundance is 231587840

### Bases of 320439680

• Binary: 100110001100110000101100000002
• Base-36: 5AS4U8

### Squares and roots of 320439680

• 320439680 squared (3204396802) is 102681588518502400
• 320439680 cubed (3204396803) is 32903255366760583135232000
• The square root of 320439680 is 17900.8290310813
• The cube root of 320439680 is 684.3035028969

### Scales and comparisons

How big is 320439680?
• 320,439,680 seconds is equal to 10 years, 9 weeks, 5 days, 19 hours, 20 seconds.
• To count from 1 to 320,439,680 would take you about fifteen years!

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 320439680 cubic inches would be around 57 feet tall.

### Recreational maths with 320439680

• 320439680 backwards is 086934023
• The number of decimal digits it has is: 9
• The sum of 320439680's digits is 35
• More coming soon!