# 280560

## 280,560 is an even composite number composed of five prime numbers multiplied together.

What does the number 280560 look like?

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

280560 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 280560:

### 24 × 3 × 5 × 7 × 167

(2 × 2 × 2 × 2 × 3 × 5 × 7 × 167)

See below for interesting mathematical facts about the number 280560 from the Numbermatics database.

### Names of 280560

• Cardinal: 280560 can be written as Two hundred eighty thousand, five hundred sixty.

### Scientific notation

• Scientific notation: 2.8056 × 105

### Factors of 280560

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 184

### Divisors of 280560

• Number of divisors d(n): 80
• Complete list of divisors:
• Sum of all divisors σ(n): 999936
• Sum of proper divisors (its aliquot sum) s(n): 719376
• 280560 is an abundant number, because the sum of its proper divisors (719376) is greater than itself. Its abundance is 438816

### Bases of 280560

• Binary: 10001000111111100002
• Base-36: 60HC

### Squares and roots of 280560

• 280560 squared (2805602) is 78713913600
• 280560 cubed (2805603) is 22083975599616000
• The square root of 280560 is 529.6791481643
• The cube root of 280560 is 65.4649113775

### Scales and comparisons

How big is 280560?
• 280,560 seconds is equal to 3 days, 5 hours, 56 minutes.
• To count from 1 to 280,560 would take you about three 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 280560 cubic inches would be around 5.5 feet tall.

### Recreational maths with 280560

• 280560 backwards is 065082
• 280560 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 280560's digits is 21
• More coming soon!