# 72221828

## 72,221,828 is an even composite number composed of five prime numbers multiplied together.

What does the number 72221828 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

72221828 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

## Prime factorization of 72221828:

### 22 × 7 × 41 × 53 × 1187

(2 × 2 × 7 × 41 × 53 × 1187)

See below for interesting mathematical facts about the number 72221828 from the Numbermatics database.

### Names of 72221828

• Cardinal: 72221828 can be written as Seventy-two million, two hundred twenty-one thousand, eight hundred twenty-eight.

### Scientific notation

• Scientific notation: 7.2221828 × 107

### Factors of 72221828

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1290

### Divisors of 72221828

• Number of divisors d(n): 48
• Complete list of divisors:
• Sum of all divisors σ(n): 150885504
• Sum of proper divisors (its aliquot sum) s(n): 78663676
• 72221828 is an abundant number, because the sum of its proper divisors (78663676) is greater than itself. Its abundance is 6441848

### Bases of 72221828

• Binary: 1000100111000000100100001002
• Base-36: 16ZYPW

### Squares and roots of 72221828

• 72221828 squared (722218282) is 5215992439661584
• 72221828 cubed (722218283) is 376708508826539297855552
• The square root of 72221828 is 8498.3426619549
• The cube root of 72221828 is 416.4435681039

### Scales and comparisons

How big is 72221828?
• 72,221,828 seconds is equal to 2 years, 15 weeks, 2 days, 21 hours, 37 minutes, 8 seconds.
• To count from 1 to 72,221,828 would take you about three 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 72221828 cubic inches would be around 34.7 feet tall.

### Recreational maths with 72221828

• 72221828 backwards is 82812227
• The number of decimal digits it has is: 8
• The sum of 72221828's digits is 32
• More coming soon!