# 1587

## 1,587 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1587 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

1587 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 1587:

### 3 × 232

(3 × 23 × 23)

See below for interesting mathematical facts about the number 1587 from the Numbermatics database.

### Names of 1587

• Cardinal: 1587 can be written as One thousand, five hundred eighty-seven.

### Scientific notation

• Scientific notation: 1.587 × 103

### Factors of 1587

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 26

### Divisors of 1587

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 2212
• Sum of proper divisors (its aliquot sum) s(n): 625
• 1587 is a deficient number, because the sum of its proper divisors (625) is less than itself. Its deficiency is 962

### Bases of 1587

• Binary: 110001100112
• Base-36: 183

### Squares and roots of 1587

• 1587 squared (15872) is 2518569
• 1587 cubed (15873) is 3996969003
• The square root of 1587 is 39.8371685741
• The cube root of 1587 is 11.6643079131

### Scales and comparisons

How big is 1587?
• 1,587 seconds is equal to 26 minutes, 27 seconds.
• To count from 1 to 1,587 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 1587 cubic inches would be around 1 feet tall.

### Recreational maths with 1587

• 1587 backwards is 7851
• The number of decimal digits it has is: 4
• The sum of 1587's digits is 21
• More coming soon!