21033005

21,033,005 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21033005 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

21033005 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 21033005:

5 × 7² × 293²

(5 × 7 × 7 × 293 × 293)

See below for interesting mathematical facts about the number 21033005 from the Numbermatics database.

Names of 21033005

Cardinal: 21033005 can be written as Twenty-one million, thirty-three thousand and five.

Scientific notation

Scientific notation: 2.1033005 × 10⁷

Factors of 21033005

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 305

Divisors of 21033005

Number of divisors d(n): 18
Complete list of divisors:
1 5 7 35 49 245 293 1465 2051 10255 14357 71785 85849 429245 600943 3004715 4206601 21033005
Sum of all divisors σ(n): 29460906
Sum of proper divisors (its aliquot sum) s(n): 8427901
21033005 is a deficient number, because the sum of its proper divisors (8427901) is less than itself. Its deficiency is 12605104

Bases of 21033005

Binary: 1010000001111000000101101₂
Hexadecimal: 0x140F02D
Base-36: CIT65

Squares and roots of 21033005

21033005 squared (21033005²) is 442387299330025
21033005 cubed (21033005³) is 9304734278744912475125
The square root of 21033005 is 4586.1754218521
The cube root of 21033005 is 276.0368789549

Scales and comparisons

How big is 21033005?

21,033,005 seconds is equal to 34 weeks, 5 days, 10 hours, 30 minutes, 5 seconds.
To count from 1 to 21,033,005 would take you about three hours!

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 21033005 cubic inches would be around 23 feet tall.

Recreational maths with 21033005

21033005 backwards is 50033012
The number of decimal digits it has is: 8
The sum of 21033005's digits is 14
More coming soon!

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The information we have on file for 21033005 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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