# 990728800209

## 990,728,800,209 is an odd composite number composed of two prime numbers multiplied together.

What does the number 990728800209 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 12 divisors.

990728800209 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 990728800209:

### 33 × 33232

(3 × 3 × 3 × 3323 × 3323)

See below for interesting mathematical facts about the number 990728800209 from the Numbermatics database.

### Names of 990728800209

• Cardinal: 990728800209 can be written as Nine hundred ninety billion, seven hundred twenty-eight million, eight hundred thousand, two hundred nine.

### Scientific notation

• Scientific notation: 9.90728800209 × 1011

### Factors of 990728800209

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 3326

### Divisors of 990728800209

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 990872483446
• Sum of proper divisors (its aliquot sum) s(n): 143683237
• 990728800209 is a deficient number, because the sum of its proper divisors (143683237) is less than itself. Its deficiency is 990585116972

### Bases of 990728800209

• Binary: 11100110101011000000100111000111110100012
• Base-36: CN4UCIQ9

### Squares and roots of 990728800209

• 990728800209 squared (9907288002092) is 981543555563564638443681
• 990728800209 cubed (9907288002093) is 972443469156366321080526954147529329
• The square root of 990728800209 is 995353.6056141053
• 990728800209 is a perfect cube number. Its cube root is 9969

### Scales and comparisons

How big is 990728800209?
• 990,728,800,209 seconds is equal to 31,502 years, 5 weeks, 5 days, 12 hours, 30 minutes, 9 seconds.
• To count from 1 to 990,728,800,209 would take you about sixty-three thousand and four 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 990728800209 cubic inches would be around 830.8 feet tall.

### Recreational maths with 990728800209

• 990728800209 backwards is 902008827099
• The number of decimal digits it has is: 12
• The sum of 990728800209's digits is 54
• More coming soon!

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The information we have on file for 990728800209 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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