# 3521

## 3,521 is an odd composite number composed of two prime numbers multiplied together.

What does the number 3521 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

3521 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 3521:

### 7 × 503

See below for interesting mathematical facts about the number 3521 from the Numbermatics database.

### Names of 3521

• Cardinal: 3521 can be written as Three thousand, five hundred twenty-one.

### Scientific notation

• Scientific notation: 3.521 × 103

### Factors of 3521

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 510

### Divisors of 3521

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 4032
• Sum of proper divisors (its aliquot sum) s(n): 511
• 3521 is a deficient number, because the sum of its proper divisors (511) is less than itself. Its deficiency is 3010

### Bases of 3521

• Binary: 1101110000012
• Base-36: 2PT

### Squares and roots of 3521

• 3521 squared (35212) is 12397441
• 3521 cubed (35213) is 43651389761
• The square root of 3521 is 59.3380147965
• The cube root of 3521 is 15.2132502189

### Scales and comparisons

How big is 3521?
• 3,521 seconds is equal to 58 minutes, 41 seconds.
• To count from 1 to 3,521 would take you about fifty-eight 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 3521 cubic inches would be around 1.3 feet tall.

### Recreational maths with 3521

• 3521 backwards is 1253
• The number of decimal digits it has is: 4
• The sum of 3521's digits is 11
• More coming soon!