# 12780

## 12,780 is an even composite number composed of four prime numbers multiplied together.

What does the number 12780 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

12780 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

## Prime factorization of 12780:

### 22 × 32 × 5 × 71

(2 × 2 × 3 × 3 × 5 × 71)

See below for interesting mathematical facts about the number 12780 from the Numbermatics database.

### Names of 12780

• Cardinal: 12780 can be written as Twelve thousand, seven hundred eighty.

### Scientific notation

• Scientific notation: 1.278 × 104

### Factors of 12780

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 81

### Divisors of 12780

• Number of divisors d(n): 36
• Complete list of divisors:
• Sum of all divisors σ(n): 39312
• Sum of proper divisors (its aliquot sum) s(n): 26532
• 12780 is an abundant number, because the sum of its proper divisors (26532) is greater than itself. Its abundance is 13752

### Bases of 12780

• Binary: 110001111011002
• Base-36: 9V0

### Squares and roots of 12780

• 12780 squared (127802) is 163328400
• 12780 cubed (127803) is 2087336952000
• The square root of 12780 is 113.0486620885
• The cube root of 12780 is 23.3799521475

### Scales and comparisons

How big is 12780?
• 12,780 seconds is equal to 3 hours, 33 minutes.
• To count from 1 to 12,780 would take you about three hours.

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 12780 cubic inches would be around 1.9 feet tall.

### Recreational maths with 12780

• 12780 backwards is 08721
• 12780 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 12780's digits is 18
• More coming soon!