# 3621220

## 3,621,220 is an even composite number composed of three prime numbers multiplied together.

What does the number 3621220 look like?

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

3621220 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 3621220:

### 22 × 5 × 181061

(2 × 2 × 5 × 181061)

See below for interesting mathematical facts about the number 3621220 from the Numbermatics database.

### Names of 3621220

• Cardinal: 3621220 can be written as Three million, six hundred twenty-one thousand, two hundred twenty.

### Scientific notation

• Scientific notation: 3.62122 × 106

### Factors of 3621220

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 181068

### Divisors of 3621220

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 7604604
• Sum of proper divisors (its aliquot sum) s(n): 3983384
• 3621220 is an abundant number, because the sum of its proper divisors (3983384) is greater than itself. Its abundance is 362164

### Bases of 3621220

• Binary: 11011101000001011001002
• Base-36: 25M5G

### Squares and roots of 3621220

• 3621220 squared (36212202) is 13113234288400
• 3621220 cubed (36212203) is 47485906269839848000
• The square root of 3621220 is 1902.9503409181
• The cube root of 3621220 is 153.5624279667

### Scales and comparisons

How big is 3621220?
• 3,621,220 seconds is equal to 5 weeks, 6 days, 21 hours, 53 minutes, 40 seconds.
• To count from 1 to 3,621,220 would take you about eight 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 3621220 cubic inches would be around 12.8 feet tall.

### Recreational maths with 3621220

• 3621220 backwards is 0221263
• The number of decimal digits it has is: 7
• The sum of 3621220's digits is 16
• More coming soon!