# 394128

## 394,128 is an even composite number composed of five prime numbers multiplied together.

What does the number 394128 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 120 divisors.

394128 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.

## Prime factorization of 394128:

### 24 × 32 × 7 × 17 × 23

(2 × 2 × 2 × 2 × 3 × 3 × 7 × 17 × 23)

See below for interesting mathematical facts about the number 394128 from the Numbermatics database.

### Names of 394128

• Cardinal: 394128 can be written as Three hundred ninety-four thousand, one hundred twenty-eight.

### Scientific notation

• Scientific notation: 3.94128 × 105

### Factors of 394128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 52

### Divisors of 394128

• Number of divisors d(n): 120
• Complete list of divisors:
• Sum of all divisors σ(n): 1392768
• Sum of proper divisors (its aliquot sum) s(n): 998640
• 394128 is an abundant number, because the sum of its proper divisors (998640) is greater than itself. Its abundance is 604512

### Bases of 394128

• Binary: 11000000011100100002
• Base-36: 8G40

### Squares and roots of 394128

• 394128 squared (3941282) is 155336880384
• 394128 cubed (3941283) is 61222613991985152
• The square root of 394128 is 627.7961452573
• The cube root of 394128 is 73.3183072979

### Scales and comparisons

How big is 394128?
• 394,128 seconds is equal to 4 days, 13 hours, 28 minutes, 48 seconds.
• To count from 1 to 394,128 would take you about four 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 394128 cubic inches would be around 6.1 feet tall.

### Recreational maths with 394128

• 394128 backwards is 821493
• The number of decimal digits it has is: 6
• The sum of 394128's digits is 27
• More coming soon!