# 3998320

## 3,998,320 is an even composite number composed of five prime numbers multiplied together.

What does the number 3998320 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 80 divisors.

3998320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.

## Prime factorization of 3998320:

### 24 × 5 × 23 × 41 × 53

(2 × 2 × 2 × 2 × 5 × 23 × 41 × 53)

See below for interesting mathematical facts about the number 3998320 from the Numbermatics database.

### Names of 3998320

• Cardinal: 3998320 can be written as Three million, nine hundred ninety-eight thousand, three hundred twenty.

### Scientific notation

• Scientific notation: 3.99832 × 106

### Factors of 3998320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 124

### Divisors of 3998320

• Number of divisors d(n): 80
• Complete list of divisors:
• Sum of all divisors σ(n): 10124352
• Sum of proper divisors (its aliquot sum) s(n): 6126032
• 3998320 is an abundant number, because the sum of its proper divisors (6126032) is greater than itself. Its abundance is 2127712

### Bases of 3998320

• Binary: 11110100000010011100002
• Base-36: 2DP4G

### Squares and roots of 3998320

• 3998320 squared (39983202) is 15986562822400
• 3998320 cubed (39983203) is 63919393864058368000
• The square root of 3998320 is 1999.5799558907
• The cube root of 3998320 is 158.7178784699

### Scales and comparisons

How big is 3998320?
• 3,998,320 seconds is equal to 6 weeks, 4 days, 6 hours, 38 minutes, 40 seconds.
• To count from 1 to 3,998,320 would take you about nine weeks!

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 3998320 cubic inches would be around 13.2 feet tall.

### Recreational maths with 3998320

• 3998320 backwards is 0238993
• The number of decimal digits it has is: 7
• The sum of 3998320's digits is 34
• More coming soon!