19996821

19,996,821 is an odd composite number composed of four prime numbers multiplied together.

What does the number 19996821 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

19996821 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 19996821:

3³ × 13 × 23 × 2477

(3 × 3 × 3 × 13 × 23 × 2477)

See below for interesting mathematical facts about the number 19996821 from the Numbermatics database.

Names of 19996821

Cardinal: 19996821 can be written as Nineteen million, nine hundred ninety-six thousand, eight hundred twenty-one.

Scientific notation

Scientific notation: 1.9996821 × 10⁷

Factors of 19996821

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 2516

Divisors of 19996821

Number of divisors d(n): 32
Complete list of divisors:
1 3 9 13 23 27 39 69 117 207 299 351 621 897 2477 2691 7431 8073 22293 32201 56971 66879 96603 170913 289809 512739 740623 869427 1538217 2221869 6665607 19996821
Sum of all divisors σ(n): 33304320
Sum of proper divisors (its aliquot sum) s(n): 13307499
19996821 is a deficient number, because the sum of its proper divisors (13307499) is less than itself. Its deficiency is 6689322

Bases of 19996821

Binary: 1001100010010000010010101₂
Hexadecimal: 0x1312095
Base-36: BWLN9

Squares and roots of 19996821

19996821 squared (19996821²) is 399872850106041
19996821 cubed (19996821³) is 7996185806330332895661
The square root of 19996821 is 4471.7805178699
The cube root of 19996821 is 271.4273790081

Scales and comparisons

How big is 19996821?

19,996,821 seconds is equal to 33 weeks, 10 hours, 40 minutes, 21 seconds.
To count from 1 to 19,996,821 would take you about forty-nine weeks!

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 19996821 cubic inches would be around 22.6 feet tall.

Recreational maths with 19996821

19996821 backwards is 12869991
The number of decimal digits it has is: 8
The sum of 19996821's digits is 45
More coming soon!

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The information we have on file for 19996821 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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