221649849

221,649,849 is an odd composite number composed of three prime numbers multiplied together.

What does the number 221649849 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

221649849 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 221649849:

3² × 173 × 142357

(3 × 3 × 173 × 142357)

See below for interesting mathematical facts about the number 221649849 from the Numbermatics database.

Names of 221649849

Cardinal: 221649849 can be written as Two hundred twenty-one million, six hundred forty-nine thousand, eight hundred forty-nine.

Scientific notation

Scientific notation: 2.21649849 × 10⁸

Factors of 221649849

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 142533

Divisors of 221649849

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 173 519 1557 142357 427071 1281213 24627761 73883283 221649849
Sum of all divisors σ(n): 322013796
Sum of proper divisors (its aliquot sum) s(n): 100363947
221649849 is a deficient number, because the sum of its proper divisors (100363947) is less than itself. Its deficiency is 121285902

Bases of 221649849

Binary: 1101001101100001101110111001₂
Hexadecimal: 0xD361BB9
Base-36: 3NYQ49

Squares and roots of 221649849

221649849 squared (221649849²) is 49128655561722801
221649849 cubed (221649849³) is 10889359086828869021507049
The square root of 221649849 is 14887.9094905901
The cube root of 221649849 is 605.1863815713

Scales and comparisons

How big is 221649849?

221,649,849 seconds is equal to 7 years, 2 weeks, 3 days, 9 hours, 24 minutes, 9 seconds.
To count from 1 to 221,649,849 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 221649849 cubic inches would be around 50.4 feet tall.

Recreational maths with 221649849

221649849 backwards is 948946122
The number of decimal digits it has is: 9
The sum of 221649849's digits is 45
More coming soon!

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The information we have on file for 221649849 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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