# 1568

## 1,568 is an even composite number composed of two prime numbers multiplied together.

What does the number 1568 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 18 divisors.

1568 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eighteen divisors.

## Prime factorization of 1568:

### 25 × 72

(2 × 2 × 2 × 2 × 2 × 7 × 7)

See below for interesting mathematical facts about the number 1568 from the Numbermatics database.

### Names of 1568

• Cardinal: 1568 can be written as One thousand, five hundred sixty-eight.

### Scientific notation

• Scientific notation: 1.568 × 103

### Factors of 1568

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9

### Divisors of 1568

• Number of divisors d(n): 18
• Complete list of divisors:
• Sum of all divisors σ(n): 3591
• Sum of proper divisors (its aliquot sum) s(n): 2023
• 1568 is an abundant number, because the sum of its proper divisors (2023) is greater than itself. Its abundance is 455

### Bases of 1568

• Binary: 110001000002
• Base-36: 17K

### Squares and roots of 1568

• 1568 squared (15682) is 2458624
• 1568 cubed (15683) is 3855122432
• The square root of 1568 is 39.5979797465
• The cube root of 1568 is 11.6175714671

### Scales and comparisons

How big is 1568?
• 1,568 seconds is equal to 26 minutes, 8 seconds.
• To count from 1 to 1,568 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 1568 cubic inches would be around 1 feet tall.

### Recreational maths with 1568

• 1568 backwards is 8651
• The number of decimal digits it has is: 4
• The sum of 1568's digits is 20
• More coming soon!