21425495

21,425,495 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21425495 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

21425495 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21425495:

5 × 7³ × 13 × 31²

(5 × 7 × 7 × 7 × 13 × 31 × 31)

See below for interesting mathematical facts about the number 21425495 from the Numbermatics database.

Names of 21425495

Cardinal: 21425495 can be written as Twenty-one million, four hundred twenty-five thousand, four hundred ninety-five.

Scientific notation

Scientific notation: 2.1425495 × 10⁷

Factors of 21425495

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 56

Divisors of 21425495

Number of divisors d(n): 48
Complete list of divisors:
1 5 7 13 31 35 49 65 91 155 217 245 343 403 455 637 961 1085 1519 1715 2015 2821 3185 4459 4805 6727 7595 10633 12493 14105 19747 22295 33635 47089 53165 62465 87451 98735 138229 235445 329623 437255 612157 691145 1648115 3060785 4285099 21425495
Sum of all divisors σ(n): 33364800
Sum of proper divisors (its aliquot sum) s(n): 11939305
21425495 is a deficient number, because the sum of its proper divisors (11939305) is less than itself. Its deficiency is 9486190

Bases of 21425495

Binary: 1010001101110110101010111₂
Hexadecimal: 0x146ED57
Base-36: CR80N

Squares and roots of 21425495

21425495 squared (21425495²) is 459051835995025
21425495 cubed (21425495³) is 9835412816852228162375
The square root of 21425495 is 4628.7681946713
The cube root of 21425495 is 277.7433193107

Scales and comparisons

How big is 21425495?

21,425,495 seconds is equal to 35 weeks, 2 days, 23 hours, 31 minutes, 35 seconds.
To count from 1 to 21,425,495 would take you about twenty-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 21425495 cubic inches would be around 23.1 feet tall.

Recreational maths with 21425495

21425495 backwards is 59452412
The number of decimal digits it has is: 8
The sum of 21425495's digits is 32
More coming soon!

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The information we have on file for 21425495 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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