21533121

21,533,121 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21533121 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

21533121 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 21533121:

3⁴ × 265841

(3 × 3 × 3 × 3 × 265841)

See below for interesting mathematical facts about the number 21533121 from the Numbermatics database.

Names of 21533121

Cardinal: 21533121 can be written as Twenty-one million, five hundred thirty-three thousand, one hundred twenty-one.

Scientific notation

Scientific notation: 2.1533121 × 10⁷

Factors of 21533121

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 5
Sum of prime factors: 265844

Divisors of 21533121

Number of divisors d(n): 10
Complete list of divisors:
1 3 9 27 81 265841 797523 2392569 7177707 21533121
Sum of all divisors σ(n): 32166882
Sum of proper divisors (its aliquot sum) s(n): 10633761
21533121 is a deficient number, because the sum of its proper divisors (10633761) is less than itself. Its deficiency is 10899360

Bases of 21533121

Binary: 1010010001001000111000001₂
Hexadecimal: 0x14891C1
Base-36: CTJ29

Squares and roots of 21533121

21533121 squared (21533121²) is 463675300000641
21533121 cubed (21533121³) is 9984376339625102730561
The square root of 21533121 is 4640.3794025919
The cube root of 21533121 is 278.2076024647

Scales and comparisons

How big is 21533121?

21,533,121 seconds is equal to 35 weeks, 4 days, 5 hours, 25 minutes, 21 seconds.
To count from 1 to 21,533,121 would take you about two 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 21533121 cubic inches would be around 23.2 feet tall.

Recreational maths with 21533121

21533121 backwards is 12133512
The number of decimal digits it has is: 8
The sum of 21533121's digits is 18
More coming soon!

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The information we have on file for 21533121 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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