20749442

20,749,442 is an even composite number composed of four prime numbers multiplied together.

What does the number 20749442 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

20749442 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 20749442:

2 × 7⁴ × 29 × 149

(2 × 7 × 7 × 7 × 7 × 29 × 149)

See below for interesting mathematical facts about the number 20749442 from the Numbermatics database.

Names of 20749442

Cardinal: 20749442 can be written as Twenty million, seven hundred forty-nine thousand, four hundred forty-two.

Scientific notation

Scientific notation: 2.0749442 × 10⁷

Factors of 20749442

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 187

Divisors of 20749442

Number of divisors d(n): 40
Complete list of divisors:
1 2 7 14 29 49 58 98 149 203 298 343 406 686 1043 1421 2086 2401 2842 4321 4802 7301 8642 9947 14602 19894 30247 51107 60494 69629 102214 139258 211729 357749 423458 715498 1482103 2964206 10374721 20749442
Sum of all divisors σ(n): 37813500
Sum of proper divisors (its aliquot sum) s(n): 17064058
20749442 is a deficient number, because the sum of its proper divisors (17064058) is less than itself. Its deficiency is 3685384

Bases of 20749442

Binary: 1001111001001110010000010₂
Hexadecimal: 0x13C9C82
Base-36: CCQDE

Squares and roots of 20749442

20749442 squared (20749442²) is 430539343311364
20749442 cubed (20749442³) is 8933451132757235258888
The square root of 20749442 is 4555.1555407033
The cube root of 20749442 is 274.7907697759

Scales and comparisons

How big is 20749442?

20,749,442 seconds is equal to 34 weeks, 2 days, 3 hours, 44 minutes, 2 seconds.
To count from 1 to 20,749,442 would take you about fifty-one 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 20749442 cubic inches would be around 22.9 feet tall.

Recreational maths with 20749442

20749442 backwards is 24494702
The number of decimal digits it has is: 8
The sum of 20749442's digits is 32
More coming soon!

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The information we have on file for 20749442 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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