21264870

21,264,870 is an even composite number composed of five prime numbers multiplied together.

What does the number 21264870 look like?

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

21264870 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 21264870:

2 × 3 × 5 × 11 × 64439

See below for interesting mathematical facts about the number 21264870 from the Numbermatics database.

Names of 21264870

Cardinal: 21264870 can be written as Twenty-one million, two hundred sixty-four thousand, eight hundred seventy.

Scientific notation

Scientific notation: 2.126487 × 10⁷

Factors of 21264870

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 64460

Divisors of 21264870

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 64439 128878 193317 322195 386634 644390 708829 966585 1417658 1933170 2126487 3544145 4252974 7088290 10632435 21264870
Sum of all divisors σ(n): 55676160
Sum of proper divisors (its aliquot sum) s(n): 34411290
21264870 is an abundant number, because the sum of its proper divisors (34411290) is greater than itself. Its abundance is 13146420

Bases of 21264870

Binary: 1010001000111100111100110₂
Hexadecimal: 0x14479E6
Base-36: CNS2U

Squares and roots of 21264870

21264870 squared (21264870²) is 452194696116900
21264870 cubed (21264870³) is 9615861427615383303000
The square root of 21264870 is 4611.3848245401
The cube root of 21264870 is 277.0475053959

Scales and comparisons

How big is 21264870?

21,264,870 seconds is equal to 35 weeks, 1 day, 2 hours, 54 minutes, 30 seconds.
To count from 1 to 21,264,870 would take you about five 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 21264870 cubic inches would be around 23.1 feet tall.

Recreational maths with 21264870

21264870 backwards is 07846212
21264870 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21264870's digits is 30
More coming soon!

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The information we have on file for 21264870 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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