20493729

20,493,729 is an odd composite number composed of two prime numbers multiplied together.

What does the number 20493729 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 15 divisors.

20493729 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of fifteen divisors.

Prime factorization of 20493729:

3⁴ × 503²

(3 × 3 × 3 × 3 × 503 × 503)

See below for interesting mathematical facts about the number 20493729 from the Numbermatics database.

Names of 20493729

Cardinal: 20493729 can be written as Twenty million, four hundred ninety-three thousand, seven hundred twenty-nine.

Scientific notation

Scientific notation: 2.0493729 × 10⁷

Factors of 20493729

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 6
Sum of prime factors: 506

Divisors of 20493729

Number of divisors d(n): 15
Complete list of divisors:
1 3 9 27 81 503 1509 4527 13581 40743 253009 759027 2277081 6831243 20493729
Sum of all divisors σ(n): 30675073
Sum of proper divisors (its aliquot sum) s(n): 10181344
20493729 is a deficient number, because the sum of its proper divisors (10181344) is less than itself. Its deficiency is 10312385

Bases of 20493729

Binary: 1001110001011010110100001₂
Hexadecimal: 0x138B5A1
Base-36: C7929

Squares and roots of 20493729

20493729 squared (20493729²) is 419992928325441
20493729 cubed (20493729³) is 8607221255018011659489
20493729 is a perfect square number. Its square root is 4527
The cube root of 20493729 is 273.6572739053

Scales and comparisons

How big is 20493729?

20,493,729 seconds is equal to 33 weeks, 6 days, 4 hours, 42 minutes, 9 seconds.
To count from 1 to 20,493,729 would take you about fifty 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 20493729 cubic inches would be around 22.8 feet tall.

Recreational maths with 20493729

20493729 backwards is 92739402
The number of decimal digits it has is: 8
The sum of 20493729's digits is 36
More coming soon!

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The information we have on file for 20493729 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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