# 1530

## 1,530 is an even composite number composed of four prime numbers multiplied together.

What does the number 1530 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

1530 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 1530:

### 2 × 32 × 5 × 17

(2 × 3 × 3 × 5 × 17)

See below for interesting mathematical facts about the number 1530 from the Numbermatics database.

### Names of 1530

• Cardinal: 1530 can be written as One thousand, five hundred thirty.

### Scientific notation

• Scientific notation: 1.53 × 103

### Factors of 1530

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 27

### Divisors of 1530

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 4212
• Sum of proper divisors (its aliquot sum) s(n): 2682
• 1530 is an abundant number, because the sum of its proper divisors (2682) is greater than itself. Its abundance is 1152

### Bases of 1530

• Binary: 101111110102
• Base-36: 16I

### Squares and roots of 1530

• 1530 squared (15302) is 2340900
• 1530 cubed (15303) is 3581577000
• The square root of 1530 is 39.1152144311
• The cube root of 1530 is 11.5229535251

### Scales and comparisons

How big is 1530?
• 1,530 seconds is equal to 25 minutes, 30 seconds.
• To count from 1 to 1,530 would take you about twenty-five 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 1530 cubic inches would be around 1 feet tall.

### Recreational maths with 1530

• 1530 backwards is 0351
• 1530 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 1530's digits is 9
• More coming soon!