# 1820812

## 1,820,812 is an even composite number composed of three prime numbers multiplied together.

What does the number 1820812 look like?

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

1820812 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 1820812:

### 22 × 7 × 65029

(2 × 2 × 7 × 65029)

See below for interesting mathematical facts about the number 1820812 from the Numbermatics database.

### Names of 1820812

• Cardinal: 1820812 can be written as One million, eight hundred twenty thousand, eight hundred twelve.

### Scientific notation

• Scientific notation: 1.820812 × 106

### Factors of 1820812

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 65038

### Divisors of 1820812

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 3641680
• Sum of proper divisors (its aliquot sum) s(n): 1820868
• 1820812 is an abundant number, because the sum of its proper divisors (1820868) is greater than itself. Its abundance is 56

### Bases of 1820812

• Binary: 1101111001000100011002
• Base-36: 130Y4

### Squares and roots of 1820812

• 1820812 squared (18208122) is 3315356339344
• 1820812 cubed (18208123) is 6036640606953627328
• The square root of 1820812 is 1349.3746699861
• The cube root of 1820812 is 122.1110696827

### Scales and comparisons

How big is 1820812?
• 1,820,812 seconds is equal to 3 weeks, 1 hour, 46 minutes, 52 seconds.
• To count from 1 to 1,820,812 would take you about four weeks!

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 1820812 cubic inches would be around 10.2 feet tall.

### Recreational maths with 1820812

• 1820812 backwards is 2180281
• The number of decimal digits it has is: 7
• The sum of 1820812's digits is 22
• More coming soon!