# 1236

## 1,236 is an even composite number composed of three prime numbers multiplied together.

What does the number 1236 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

1236 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 1236:

### 22 × 3 × 103

(2 × 2 × 3 × 103)

See below for interesting mathematical facts about the number 1236 from the Numbermatics database.

### Names of 1236

• Cardinal: 1236 can be written as One thousand, two hundred thirty-six.

### Scientific notation

• Scientific notation: 1.236 × 103

### Factors of 1236

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 108

### Divisors of 1236

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 2912
• Sum of proper divisors (its aliquot sum) s(n): 1676
• 1236 is an abundant number, because the sum of its proper divisors (1676) is greater than itself. Its abundance is 440

### Bases of 1236

• Binary: 100110101002
• Base-36: YC

### Squares and roots of 1236

• 1236 squared (12362) is 1527696
• 1236 cubed (12363) is 1888232256
• The square root of 1236 is 35.1567916625
• The cube root of 1236 is 10.7318062545

### Scales and comparisons

How big is 1236?
• 1,236 seconds is equal to 20 minutes, 36 seconds.
• To count from 1 to 1,236 would take you about twenty 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 1236 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1236

• 1236 backwards is 6321
• 1236 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 1236's digits is 12
• More coming soon!