# 247920

## 247,920 is an even composite number composed of four prime numbers multiplied together.

What does the number 247920 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

247920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

## Prime factorization of 247920:

### 24 × 3 × 5 × 1033

(2 × 2 × 2 × 2 × 3 × 5 × 1033)

See below for interesting mathematical facts about the number 247920 from the Numbermatics database.

### Names of 247920

• Cardinal: 247920 can be written as Two hundred forty-seven thousand, nine hundred twenty.

### Scientific notation

• Scientific notation: 2.4792 × 105

### Factors of 247920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1043

### Divisors of 247920

• Number of divisors d(n): 40
• Complete list of divisors:
• Sum of all divisors σ(n): 769296
• Sum of proper divisors (its aliquot sum) s(n): 521376
• 247920 is an abundant number, because the sum of its proper divisors (521376) is greater than itself. Its abundance is 273456

### Bases of 247920

• Binary: 1111001000011100002
• Base-36: 5BAO

### Squares and roots of 247920

• 247920 squared (2479202) is 61464326400
• 247920 cubed (2479203) is 15238235801088000
• The square root of 247920 is 497.9156555081
• The cube root of 247920 is 62.8208566639

### Scales and comparisons

How big is 247920?
• 247,920 seconds is equal to 2 days, 20 hours, 52 minutes.
• To count from 1 to 247,920 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 247920 cubic inches would be around 5.2 feet tall.

### Recreational maths with 247920

• 247920 backwards is 029742
• 247920 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 247920's digits is 24
• More coming soon!