# 19421724672

## 19,421,724,672 is an even composite number composed of three prime numbers multiplied together.

What does the number 19421724672 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 352 divisors.

19421724672 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of three hundred fifty-two divisors.

## Prime factorization of 19421724672:

### 221 × 33 × 73

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 7 × 7)

See below for interesting mathematical facts about the number 19421724672 from the Numbermatics database.

### Names of 19421724672

• Cardinal: 19421724672 can be written as Nineteen billion, four hundred twenty-one million, seven hundred twenty-four thousand, six hundred seventy-two.

### Scientific notation

• Scientific notation: 1.9421724672 × 1010

### Factors of 19421724672

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 27
• Sum of prime factors: 12

### Divisors of 19421724672

• Number of divisors d(n): 352
• Complete list of divisors:
• Sum of all divisors σ(n): 67108848000
• Sum of proper divisors (its aliquot sum) s(n): 47687123328
• 19421724672 is an abundant number, because the sum of its proper divisors (47687123328) is greater than itself. Its abundance is 28265398656

### Bases of 19421724672

• Binary: 100100001011010000000000000000000002
• Base-36: 8X76YO0

### Squares and roots of 19421724672

• 19421724672 squared (194217246722) is 377203389234973507584
• 19421724672 cubed (194217246723) is 7325940371066904177510551912448
• The square root of 19421724672 is 139361.8479785627
• 19421724672 is a perfect cube number. Its cube root is 2688

### Scales and comparisons

How big is 19421724672?
• 19,421,724,672 seconds is equal to 617 years, 28 weeks, 4 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 19,421,724,672 would take you about one thousand, two hundred thirty-five 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 19421724672 cubic inches would be around 224 feet tall.

### Recreational maths with 19421724672

• 19421724672 backwards is 27642712491
• The number of decimal digits it has is: 11
• The sum of 19421724672's digits is 45
• More coming soon!