# 1560

## 1,560 is an even composite number composed of four prime numbers multiplied together.

What does the number 1560 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

1560 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

## Prime factorization of 1560:

### 23 × 3 × 5 × 13

(2 × 2 × 2 × 3 × 5 × 13)

See below for interesting mathematical facts about the number 1560 from the Numbermatics database.

### Names of 1560

• Cardinal: 1560 can be written as One thousand, five hundred sixty.

### Scientific notation

• Scientific notation: 1.56 × 103

### Factors of 1560

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 23

### Divisors of 1560

• Number of divisors d(n): 32
• Complete list of divisors:
• Sum of all divisors σ(n): 5040
• Sum of proper divisors (its aliquot sum) s(n): 3480
• 1560 is an abundant number, because the sum of its proper divisors (3480) is greater than itself. Its abundance is 1920

### Bases of 1560

• Binary: 110000110002
• Base-36: 17C

### Squares and roots of 1560

• 1560 squared (15602) is 2433600
• 1560 cubed (15603) is 3796416000
• The square root of 1560 is 39.4968353163
• The cube root of 1560 is 11.5977799951

### Scales and comparisons

How big is 1560?
• 1,560 seconds is equal to 26 minutes.
• To count from 1 to 1,560 would take you about twenty-six minutes.

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 1560 cubic inches would be around 1 feet tall.

### Recreational maths with 1560

• 1560 backwards is 0651
• 1560 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 1560's digits is 12
• More coming soon!