221389509

221,389,509 is an odd composite number composed of five prime numbers multiplied together.

What does the number 221389509 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

221389509 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 221389509:

3 × 11 × 29 × 73 × 3169

See below for interesting mathematical facts about the number 221389509 from the Numbermatics database.

Names of 221389509

Cardinal: 221389509 can be written as Two hundred twenty-one million, three hundred eighty-nine thousand, five hundred nine.

Scientific notation

Scientific notation: 2.21389509 × 10⁸

Factors of 221389509

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 3285

Divisors of 221389509

Number of divisors d(n): 32
Complete list of divisors:
1 3 11 29 33 73 87 219 319 803 957 2117 2409 3169 6351 9507 23287 34859 69861 91901 104577 231337 275703 694011 1010911 2544707 3032733 6708773 7634121 20126319 73796503 221389509
Sum of all divisors σ(n): 337795200
Sum of proper divisors (its aliquot sum) s(n): 116405691
221389509 is a deficient number, because the sum of its proper divisors (116405691) is less than itself. Its deficiency is 104983818

Bases of 221389509

Binary: 1101001100100010001011000101₂
Hexadecimal: 0xD3222C5
Base-36: 3NT58L

Squares and roots of 221389509

221389509 squared (221389509²) is 49013314695261081
221389509 cubed (221389509³) is 10851033674846335349399229
The square root of 221389509 is 14879.1635853633
The cube root of 221389509 is 604.9493471241

Scales and comparisons

How big is 221389509?

221,389,509 seconds is equal to 7 years, 2 weeks, 9 hours, 5 minutes, 9 seconds.
To count from 1 to 221,389,509 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 221389509 cubic inches would be around 50.4 feet tall.

Recreational maths with 221389509

221389509 backwards is 905983122
The number of decimal digits it has is: 9
The sum of 221389509's digits is 39
More coming soon!

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The information we have on file for 221389509 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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