# 4921728

## 4,921,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 4921728 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 64 divisors.

4921728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.

## Prime factorization of 4921728:

### 27 × 3 × 7 × 1831

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 1831)

See below for interesting mathematical facts about the number 4921728 from the Numbermatics database.

### Names of 4921728

• Cardinal: 4921728 can be written as Four million, nine hundred twenty-one thousand, seven hundred twenty-eight.

### Scientific notation

• Scientific notation: 4.921728 × 106

### Factors of 4921728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1843

### Divisors of 4921728

• Number of divisors d(n): 64
• Complete list of divisors:
• Sum of all divisors σ(n): 14949120
• Sum of proper divisors (its aliquot sum) s(n): 10027392
• 4921728 is an abundant number, because the sum of its proper divisors (10027392) is greater than itself. Its abundance is 5105664

### Bases of 4921728

• Binary: 100101100011001100000002
• Base-36: 2XHMO

### Squares and roots of 4921728

• 4921728 squared (49217282) is 24223406505984
• 4921728 cubed (49217283) is 119221018055883620352
• The square root of 4921728 is 2218.4967883681
• The cube root of 4921728 is 170.1006094191

### Scales and comparisons

How big is 4921728?
• 4,921,728 seconds is equal to 8 weeks, 23 hours, 8 minutes, 48 seconds.
• To count from 1 to 4,921,728 would take you about twelve 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 4921728 cubic inches would be around 14.2 feet tall.

### Recreational maths with 4921728

• 4921728 backwards is 8271294
• The number of decimal digits it has is: 7
• The sum of 4921728's digits is 33
• More coming soon!