21000080

21,000,080 is an even composite number composed of three prime numbers multiplied together.

What does the number 21000080 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

21000080 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 21000080:

2⁴ × 5 × 262501

(2 × 2 × 2 × 2 × 5 × 262501)

See below for interesting mathematical facts about the number 21000080 from the Numbermatics database.

Names of 21000080

Cardinal: 21000080 can be written as Twenty-one million and eighty.

Scientific notation

Scientific notation: 2.100008 × 10⁷

Factors of 21000080

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 262508

Divisors of 21000080

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 5 8 10 16 20 40 80 262501 525002 1050004 1312505 2100008 2625010 4200016 5250020 10500040 21000080
Sum of all divisors σ(n): 48825372
Sum of proper divisors (its aliquot sum) s(n): 27825292
21000080 is an abundant number, because the sum of its proper divisors (27825292) is greater than itself. Its abundance is 6825212

Bases of 21000080

Binary: 1010000000110111110010000₂
Hexadecimal: 0x1406F90
Base-36: CI3RK

Squares and roots of 21000080

21000080 squared (21000080²) is 441003360006400
21000080 cubed (21000080³) is 9261105840403200512000
The square root of 21000080 is 4582.5844236631
The cube root of 21000080 is 275.8927679773

Scales and comparisons

How big is 21000080?

21,000,080 seconds is equal to 34 weeks, 5 days, 1 hour, 21 minutes, 20 seconds.
To count from 1 to 21,000,080 would take you about fourteen 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 21000080 cubic inches would be around 23 feet tall.

Recreational maths with 21000080

21000080 backwards is 08000012
The number of decimal digits it has is: 8
The sum of 21000080's digits is 11
More coming soon!

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The information we have on file for 21000080 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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