# 280327680

## 280,327,680 is an even composite number composed of four prime numbers multiplied together.

What does the number 280327680 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 240 divisors.

280327680 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred forty divisors.

## Prime factorization of 280327680:

### 29 × 32 × 5 × 233

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 23 × 23 × 23)

See below for interesting mathematical facts about the number 280327680 from the Numbermatics database.

### Names of 280327680

• Cardinal: 280327680 can be written as Two hundred eighty million, three hundred twenty-seven thousand, six hundred eighty.

### Scientific notation

• Scientific notation: 2.8032768 × 108

### Factors of 280327680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 33

### Divisors of 280327680

• Number of divisors d(n): 240
• Complete list of divisors:
• Sum of all divisors σ(n): 1014979680
• Sum of proper divisors (its aliquot sum) s(n): 734652000
• 280327680 is an abundant number, because the sum of its proper divisors (734652000) is greater than itself. Its abundance is 454324320

### Bases of 280327680

• Binary: 100001011010101110110000000002
• Base-36: 4MWE80

### Squares and roots of 280327680

• 280327680 squared (2803276802) is 78583608174182400
• 280327680 cubed (2803276803) is 22029160565497588088832000
• The square root of 280327680 is 16742.9889804659
• The cube root of 280327680 is 654.4683680261

### Scales and comparisons

How big is 280327680?
• 280,327,680 seconds is equal to 8 years, 47 weeks, 3 days, 12 hours, 48 minutes.
• To count from 1 to 280,327,680 would take you about thirteen 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 280327680 cubic inches would be around 54.5 feet tall.

### Recreational maths with 280327680

• 280327680 backwards is 086723082
• 280327680 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 280327680's digits is 36
• More coming soon!