21721414

21,721,414 is an even composite number composed of five prime numbers multiplied together.

What does the number 21721414 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

21721414 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21721414:

2 × 11 × 13 × 53 × 1433

See below for interesting mathematical facts about the number 21721414 from the Numbermatics database.

Names of 21721414

Cardinal: 21721414 can be written as Twenty-one million, seven hundred twenty-one thousand, four hundred fourteen.

Scientific notation

Scientific notation: 2.1721414 × 10⁷

Factors of 21721414

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 1512

Divisors of 21721414

Number of divisors d(n): 32
Complete list of divisors:
1 2 11 13 22 26 53 106 143 286 583 689 1166 1378 1433 2866 7579 15158 15763 18629 31526 37258 75949 151898 204919 409838 835439 987337 1670878 1974674 10860707 21721414
Sum of all divisors σ(n): 39027744
Sum of proper divisors (its aliquot sum) s(n): 17306330
21721414 is a deficient number, because the sum of its proper divisors (17306330) is less than itself. Its deficiency is 4415084

Bases of 21721414

Binary: 1010010110111000101000110₂
Hexadecimal: 0x14B7146
Base-36: CXKCM

Squares and roots of 21721414

21721414 squared (21721414²) is 471819826159396
21721414 cubed (21721414³) is 10248593777416270505944
The square root of 21721414 is 4660.6237779937
The cube root of 21721414 is 279.0161644945

Scales and comparisons

How big is 21721414?

21,721,414 seconds is equal to 35 weeks, 6 days, 9 hours, 43 minutes, 34 seconds.
To count from 1 to 21,721,414 would take you about six 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 21721414 cubic inches would be around 23.3 feet tall.

Recreational maths with 21721414

21721414 backwards is 41412712
21721414 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21721414's digits is 22
More coming soon!

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The information we have on file for 21721414 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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