# 530

## 530 is an even composite number composed of three prime numbers multiplied together.

What does the number 530 look like?

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

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

## Prime factorization of 530:

### 2 × 5 × 53

See below for interesting mathematical facts about the number 530 from the Numbermatics database.

### Names of 530

• Cardinal: 530 can be written as Five hundred thirty.

### Scientific notation

• Scientific notation: 5.3 × 102

### Factors of 530

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 60

### Divisors of 530

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 972
• Sum of proper divisors (its aliquot sum) s(n): 442
• 530 is a deficient number, because the sum of its proper divisors (442) is less than itself. Its deficiency is 88

### Bases of 530

• Binary: 10000100102
• Base-36: EQ

### Squares and roots of 530

• 530 squared (5302) is 280900
• 530 cubed (5303) is 148877000
• The square root of 530 is 23.0217288667
• The cube root of 530 is 8.0926723345

### Scales and comparisons

How big is 530?
• 530 seconds is equal to 8 minutes, 50 seconds.
• To count from 1 to 530 would take you about four 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 530 cubic inches would be around 0.7 feet tall.

### Recreational maths with 530

• 530 backwards is 035
• The number of decimal digits it has is: 3
• The sum of 530's digits is 8
• More coming soon!