21490625

21,490,625 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21490625 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 36 divisors.

21490625 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 21490625:

5⁵ × 13 × 23²

(5 × 5 × 5 × 5 × 5 × 13 × 23 × 23)

See below for interesting mathematical facts about the number 21490625 from the Numbermatics database.

Names of 21490625

Cardinal: 21490625 can be written as Twenty-one million, four hundred ninety thousand, six hundred twenty-five.

Scientific notation

Scientific notation: 2.1490625 × 10⁷

Factors of 21490625

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 41

Divisors of 21490625

Number of divisors d(n): 36
Complete list of divisors:
1 5 13 23 25 65 115 125 299 325 529 575 625 1495 1625 2645 2875 3125 6877 7475 8125 13225 14375 34385 37375 40625 66125 71875 171925 186875 330625 859625 934375 1653125 4298125 21490625
Sum of all divisors σ(n): 30240252
Sum of proper divisors (its aliquot sum) s(n): 8749627
21490625 is a deficient number, because the sum of its proper divisors (8749627) is less than itself. Its deficiency is 12740998

Bases of 21490625

Binary: 1010001111110101111000001₂
Hexadecimal: 0x147EBC1
Base-36: CSM9T

Squares and roots of 21490625

21490625 squared (21490625²) is 461846962890625
21490625 cubed (21490625³) is 9925379886871337890625
The square root of 21490625 is 4635.7982052717
The cube root of 21490625 is 278.0244660419

Scales and comparisons

How big is 21490625?

21,490,625 seconds is equal to 35 weeks, 3 days, 17 hours, 37 minutes, 5 seconds.
To count from 1 to 21,490,625 would take you about two days!

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 21490625 cubic inches would be around 23.2 feet tall.

Recreational maths with 21490625

21490625 backwards is 52609412
The number of decimal digits it has is: 8
The sum of 21490625's digits is 29
More coming soon!

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The information we have on file for 21490625 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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