# 1808100

## 1,808,100 is an even composite number composed of five prime numbers multiplied together.

What does the number 1808100 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 162 divisors.

1808100 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-two divisors.

## Prime factorization of 1808100:

### 22 × 32 × 52 × 72 × 41

(2 × 2 × 3 × 3 × 5 × 5 × 7 × 7 × 41)

See below for interesting mathematical facts about the number 1808100 from the Numbermatics database.

### Names of 1808100

• Cardinal: 1808100 can be written as One million, eight hundred eight thousand, one hundred.

### Scientific notation

• Scientific notation: 1.8081 × 106

### Factors of 1808100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 58

### Divisors of 1808100

• Number of divisors d(n): 162
• Complete list of divisors:
• Sum of all divisors σ(n): 6753474
• Sum of proper divisors (its aliquot sum) s(n): 4945374
• 1808100 is an abundant number, because the sum of its proper divisors (4945374) is greater than itself. Its abundance is 3137274

### Bases of 1808100

• Binary: 1101110010110111001002
• Base-36: 12R50

### Squares and roots of 1808100

• 1808100 squared (18081002) is 3269225610000
• 1808100 cubed (18081003) is 5911086825441000000
• The square root of 1808100 is 1344.6560898607
• The cube root of 1808100 is 121.8262329545

### Scales and comparisons

How big is 1808100?
• 1,808,100 seconds is equal to 2 weeks, 6 days, 22 hours, 15 minutes.
• To count from 1 to 1,808,100 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 1808100 cubic inches would be around 10.2 feet tall.

### Recreational maths with 1808100

• 1808100 backwards is 0018081
• 1808100 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 1808100's digits is 18
• More coming soon!