# 30123520

## 30,123,520 is an even composite number composed of four prime numbers multiplied together.

What does the number 30123520 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 120 divisors.

30123520 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.

## Prime factorization of 30123520:

### 29 × 5 × 7 × 412

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 41 × 41)

See below for interesting mathematical facts about the number 30123520 from the Numbermatics database.

### Names of 30123520

• Cardinal: 30123520 can be written as Thirty million, one hundred twenty-three thousand, five hundred twenty.

### Scientific notation

• Scientific notation: 3.012352 × 107

### Factors of 30123520

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 55

### Divisors of 30123520

• Number of divisors d(n): 120
• Complete list of divisors:
• Sum of all divisors σ(n): 84606192
• Sum of proper divisors (its aliquot sum) s(n): 54482672
• 30123520 is an abundant number, because the sum of its proper divisors (54482672) is greater than itself. Its abundance is 24359152

### Bases of 30123520

• Binary: 11100101110100110000000002
• Base-36: HXNGG

### Squares and roots of 30123520

• 30123520 squared (301235202) is 907426457190400
• 30123520 cubed (301235203) is 27334879031704158208000
• The square root of 30123520 is 5488.4897740635
• The cube root of 30123520 is 311.1491170501

### Scales and comparisons

How big is 30123520?
• 30,123,520 seconds is equal to 49 weeks, 5 days, 15 hours, 38 minutes, 40 seconds.
• To count from 1 to 30,123,520 would take you about twenty-two weeks!

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 30123520 cubic inches would be around 25.9 feet tall.

### Recreational maths with 30123520

• 30123520 backwards is 02532103
• 30123520 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30123520's digits is 16
• More coming soon!