20729491

20,729,491 is an odd composite number composed of two prime numbers multiplied together.

What does the number 20729491 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

20729491 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 20729491:

47 × 441053

See below for interesting mathematical facts about the number 20729491 from the Numbermatics database.

Names of 20729491

Cardinal: 20729491 can be written as Twenty million, seven hundred twenty-nine thousand, four hundred ninety-one.

Scientific notation

Scientific notation: 2.0729491 × 10⁷

Factors of 20729491

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 441100

Divisors of 20729491

Number of divisors d(n): 4
Complete list of divisors:
1 47 441053 20729491
Sum of all divisors σ(n): 21170592
Sum of proper divisors (its aliquot sum) s(n): 441101
20729491 is a deficient number, because the sum of its proper divisors (441101) is less than itself. Its deficiency is 20288390

Bases of 20729491

Binary: 1001111000100111010010011₂
Hexadecimal: 0x13C4E93
Base-36: CCAZ7

Squares and roots of 20729491

20729491 squared (20729491²) is 429711797119081
20729491 cubed (20729491³) is 8907706830973815517771
The square root of 20729491 is 4552.9650778367
The cube root of 20729491 is 274.7026692747

Scales and comparisons

How big is 20729491?

20,729,491 seconds is equal to 34 weeks, 1 day, 22 hours, 11 minutes, 31 seconds.
To count from 1 to 20,729,491 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 20729491 cubic inches would be around 22.9 feet tall.

Recreational maths with 20729491

20729491 backwards is 19492702
The number of decimal digits it has is: 8
The sum of 20729491's digits is 34
More coming soon!

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The information we have on file for 20729491 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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