201321818721

201,321,818,721 is an odd composite number composed of two prime numbers multiplied together.

What does the number 201321818721 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

201321818721 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

Prime factorization of 201321818721:

3² × 149563²

(3 × 3 × 149563 × 149563)

See below for interesting mathematical facts about the number 201321818721 from the Numbermatics database.

Names of 201321818721

Cardinal: 201321818721 can be written as Two hundred one billion, three hundred twenty-one million, eight hundred eighteen thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 2.01321818721 × 10¹¹

Factors of 201321818721

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 149566

Divisors of 201321818721

Number of divisors d(n): 9
Complete list of divisors:
1 3 9 149563 448689 1346067 22369090969 67107272907 201321818721
Sum of all divisors σ(n): 290800126929
Sum of proper divisors (its aliquot sum) s(n): 89478308208
201321818721 is a deficient number, because the sum of its proper divisors (89478308208) is less than itself. Its deficiency is 111843510513

Bases of 201321818721

Binary: 10111011011111101101110010101001100001₂
Hexadecimal: 0x2EDFB72A61
Base-36: 2KHHT9I9

Squares and roots of 201321818721

201321818721 squared (201321818721²) is 40530474693131186075841
201321818721 cubed (201321818721³) is 8159668878846634747032181159619361
201321818721 is a perfect square number. Its square root is 448689
The cube root of 201321818721 is 5860.8906022621

Scales and comparisons

How big is 201321818721?

201,321,818,721 seconds is equal to 6,401 years, 21 weeks, 2 days, 15 hours, 25 minutes, 21 seconds.
To count from 1 to 201,321,818,721 would take you about twelve thousand, eight hundred two 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 201321818721 cubic inches would be around 488.4 feet tall.

Recreational maths with 201321818721

201321818721 backwards is 127818123102
The number of decimal digits it has is: 12
The sum of 201321818721's digits is 36
More coming soon!

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The information we have on file for 201321818721 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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