21143143

21,143,143 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21143143 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21143143 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21143143:

7 × 19 × 43 × 3697

See below for interesting mathematical facts about the number 21143143 from the Numbermatics database.

Names of 21143143

Cardinal: 21143143 can be written as Twenty-one million, one hundred forty-three thousand, one hundred forty-three.

Scientific notation

Scientific notation: 2.1143143 × 10⁷

Factors of 21143143

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 3766

Divisors of 21143143

Number of divisors d(n): 16
Complete list of divisors:
1 7 19 43 133 301 817 3697 5719 25879 70243 158971 491701 1112797 3020449 21143143
Sum of all divisors σ(n): 26033920
Sum of proper divisors (its aliquot sum) s(n): 4890777
21143143 is a deficient number, because the sum of its proper divisors (4890777) is less than itself. Its deficiency is 16252366

Bases of 21143143

Binary: 1010000101001111001100111₂
Hexadecimal: 0x1429E67
Base-36: CL65J

Squares and roots of 21143143

21143143 squared (21143143²) is 447032495918449
21143143 cubed (21143143³) is 9451671986850683545207
The square root of 21143143 is 4598.1673523263
The cube root of 21143143 is 276.5178569433

Scales and comparisons

How big is 21143143?

21,143,143 seconds is equal to 34 weeks, 6 days, 17 hours, 5 minutes, 43 seconds.
To count from 1 to 21,143,143 would take you about three 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 21143143 cubic inches would be around 23 feet tall.

Recreational maths with 21143143

21143143 backwards is 34134112
21143143 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21143143's digits is 19
More coming soon!

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The information we have on file for 21143143 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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