# 3621

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

What does the number 3621 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

3621 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 3621:

### 3 × 17 × 71

See below for interesting mathematical facts about the number 3621 from the Numbermatics database.

### Names of 3621

• Cardinal: 3621 can be written as Three thousand, six hundred twenty-one.

### Scientific notation

• Scientific notation: 3.621 × 103

### Factors of 3621

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 91

### Divisors of 3621

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 5184
• Sum of proper divisors (its aliquot sum) s(n): 1563
• 3621 is a deficient number, because the sum of its proper divisors (1563) is less than itself. Its deficiency is 2058

### Bases of 3621

• Binary: 1110001001012
• Base-36: 2SL

### Squares and roots of 3621

• 3621 squared (36212) is 13111641
• 3621 cubed (36213) is 47477252061
• The square root of 3621 is 60.1747455333
• The cube root of 3621 is 15.3559318113

### Scales and comparisons

How big is 3621?
• 3,621 seconds is equal to 1 hour, 21 seconds.
• To count from 1 to 3,621 would take you about twenty-one seconds.

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 3621 cubic inches would be around 1.3 feet tall.

### Recreational maths with 3621

• 3621 backwards is 1263
• The number of decimal digits it has is: 4
• The sum of 3621's digits is 12
• More coming soon!