# 30420

## 30,420 is an even composite number composed of four prime numbers multiplied together.

What does the number 30420 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 54 divisors.

30420 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-four divisors.

## Prime factorization of 30420:

### 22 × 32 × 5 × 132

(2 × 2 × 3 × 3 × 5 × 13 × 13)

See below for interesting mathematical facts about the number 30420 from the Numbermatics database.

### Names of 30420

• Cardinal: 30420 can be written as Thirty thousand, four hundred twenty.

### Scientific notation

• Scientific notation: 3.042 × 104

### Factors of 30420

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 23

### Divisors of 30420

• Number of divisors d(n): 54
• Complete list of divisors:
• Sum of all divisors σ(n): 99918
• Sum of proper divisors (its aliquot sum) s(n): 69498
• 30420 is an abundant number, because the sum of its proper divisors (69498) is greater than itself. Its abundance is 39078

### Bases of 30420

• Binary: 1110110110101002
• Base-36: NH0

### Squares and roots of 30420

• 30420 squared (304202) is 925376400
• 30420 cubed (304203) is 28149950088000
• The square root of 30420 is 174.4133022449
• The cube root of 30420 is 31.2166577715

### Scales and comparisons

How big is 30420?
• 30,420 seconds is equal to 8 hours, 27 minutes.
• To count from 1 to 30,420 would take you about eight hours.

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 30420 cubic inches would be around 2.6 feet tall.

### Recreational maths with 30420

• 30420 backwards is 02403
• 30420 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 30420's digits is 9
• More coming soon!