# 1836

## 1,836 is an even composite number composed of three prime numbers multiplied together.

What does the number 1836 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

1836 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 1836:

### 22 × 33 × 17

(2 × 2 × 3 × 3 × 3 × 17)

See below for interesting mathematical facts about the number 1836 from the Numbermatics database.

### Names of 1836

• Cardinal: 1836 can be written as One thousand, eight hundred thirty-six.

### Scientific notation

• Scientific notation: 1.836 × 103

### Factors of 1836

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 22

### Divisors of 1836

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 5040
• Sum of proper divisors (its aliquot sum) s(n): 3204
• 1836 is an abundant number, because the sum of its proper divisors (3204) is greater than itself. Its abundance is 1368

### Bases of 1836

• Binary: 111001011002
• Base-36: 1F0

### Squares and roots of 1836

• 1836 squared (18362) is 3370896
• 1836 cubed (18363) is 6188965056
• The square root of 1836 is 42.8485705713
• The cube root of 1836 is 12.2449653059

### Scales and comparisons

How big is 1836?
• 1,836 seconds is equal to 30 minutes, 36 seconds.
• To count from 1 to 1,836 would take you about thirty 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 1836 cubic inches would be around 1 feet tall.

### Recreational maths with 1836

• 1836 backwards is 6381
• 1836 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 1836's digits is 18
• More coming soon!