# 320439681

## 320,439,681 is an odd composite number composed of three prime numbers multiplied together.

What does the number 320439681 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

320439681 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 320439681:

### 32 × 17 × 2094377

(3 × 3 × 17 × 2094377)

See below for interesting mathematical facts about the number 320439681 from the Numbermatics database.

### Names of 320439681

• Cardinal: 320439681 can be written as Three hundred twenty million, four hundred thirty-nine thousand, six hundred eighty-one.

### Scientific notation

• Scientific notation: 3.20439681 × 108

### Factors of 320439681

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2094397

### Divisors of 320439681

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 490084452
• Sum of proper divisors (its aliquot sum) s(n): 169644771
• 320439681 is a deficient number, because the sum of its proper divisors (169644771) is less than itself. Its deficiency is 150794910

### Bases of 320439681

• Binary: 100110001100110000101100000012
• Base-36: 5AS4U9

### Squares and roots of 320439681

• 320439681 squared (3204396812) is 102681589159381761
• 320439681 cubed (3204396813) is 32903255674805349652058241
• The square root of 320439681 is 17900.8290590129
• The cube root of 320439681 is 684.3035036089

### Scales and comparisons

How big is 320439681?
• 320,439,681 seconds is equal to 10 years, 9 weeks, 5 days, 19 hours, 21 seconds.
• To count from 1 to 320,439,681 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 320439681 cubic inches would be around 57 feet tall.

### Recreational maths with 320439681

• 320439681 backwards is 186934023
• The number of decimal digits it has is: 9
• The sum of 320439681's digits is 36
• More coming soon!