# 213978384

## 213,978,384 is an even composite number composed of four prime numbers multiplied together.

What does the number 213978384 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 135 divisors.

213978384 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred thirty-five divisors.

## Prime factorization of 213978384:

### 24 × 32 × 232 × 532

(2 × 2 × 2 × 2 × 3 × 3 × 23 × 23 × 53 × 53)

See below for interesting mathematical facts about the number 213978384 from the Numbermatics database.

### Names of 213978384

• Cardinal: 213978384 can be written as Two hundred thirteen million, nine hundred seventy-eight thousand, three hundred eighty-four.

### Scientific notation

• Scientific notation: 2.13978384 × 108

### Factors of 213978384

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 81

### Divisors of 213978384

• Number of divisors d(n): 135
• Complete list of divisors:
• Sum of all divisors σ(n): 638045317
• Sum of proper divisors (its aliquot sum) s(n): 424066933
• 213978384 is an abundant number, because the sum of its proper divisors (424066933) is greater than itself. Its abundance is 210088549

### Bases of 213978384

• Binary: 11001100000100001101000100002
• Base-36: 3JEAS0

### Squares and roots of 213978384

• 213978384 squared (2139783842) is 45786748819251456
• 213978384 cubed (2139783843) is 9797374520957334644527104
• 213978384 is a perfect square number. Its square root is 14628
• The cube root of 213978384 is 598.1222629699

### Scales and comparisons

How big is 213978384?
• 213,978,384 seconds is equal to 6 years, 41 weeks, 5 days, 14 hours, 26 minutes, 24 seconds.
• To count from 1 to 213,978,384 would take you about ten years!

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 213978384 cubic inches would be around 49.8 feet tall.

### Recreational maths with 213978384

• 213978384 backwards is 483879312
• The number of decimal digits it has is: 9
• The sum of 213978384's digits is 45
• More coming soon!