21647142

21,647,142 is an even composite number composed of four prime numbers multiplied together.

What does the number 21647142 look like?

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

21647142 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21647142:

2 × 3³ × 11² × 3313

(2 × 3 × 3 × 3 × 11 × 11 × 3313)

See below for interesting mathematical facts about the number 21647142 from the Numbermatics database.

Names of 21647142

Cardinal: 21647142 can be written as Twenty-one million, six hundred forty-seven thousand, one hundred forty-two.

Scientific notation

Scientific notation: 2.1647142 × 10⁷

Factors of 21647142

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 3329

Divisors of 21647142

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 6 9 11 18 22 27 33 54 66 99 121 198 242 297 363 594 726 1089 2178 3267 3313 6534 6626 9939 19878 29817 36443 59634 72886 89451 109329 178902 218658 327987 400873 655974 801746 983961 1202619 1967922 2405238 3607857 7215714 10823571 21647142
Sum of all divisors σ(n): 52891440
Sum of proper divisors (its aliquot sum) s(n): 31244298
21647142 is an abundant number, because the sum of its proper divisors (31244298) is greater than itself. Its abundance is 9597156

Bases of 21647142

Binary: 1010010100100111100100110₂
Hexadecimal: 0x14A4F26
Base-36: CVZ1I

Squares and roots of 21647142

21647142 squared (21647142²) is 468598756768164
21647142 cubed (21647142³) is 10143823828783907187288
The square root of 21647142 is 4652.6489229257
The cube root of 21647142 is 278.6977881525

Scales and comparisons

How big is 21647142?

21,647,142 seconds is equal to 35 weeks, 5 days, 13 hours, 5 minutes, 42 seconds.
To count from 1 to 21,647,142 would take you about four 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 21647142 cubic inches would be around 23.2 feet tall.

Recreational maths with 21647142

21647142 backwards is 24174612
21647142 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21647142's digits is 27
More coming soon!

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The information we have on file for 21647142 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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