21000189

21,000,189 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21000189 look like?

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

21000189 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 21000189:

3 × 7 × 293 × 3413

See below for interesting mathematical facts about the number 21000189 from the Numbermatics database.

Names of 21000189

Cardinal: 21000189 can be written as Twenty-one million, one hundred eighty-nine.

Scientific notation

Scientific notation: 2.1000189 × 10⁷

Factors of 21000189

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 3716

Divisors of 21000189

Number of divisors d(n): 16
Complete list of divisors:
1 3 7 21 293 879 2051 3413 6153 10239 23891 71673 1000009 3000027 7000063 21000189
Sum of all divisors σ(n): 32118912
Sum of proper divisors (its aliquot sum) s(n): 11118723
21000189 is a deficient number, because the sum of its proper divisors (11118723) is less than itself. Its deficiency is 9881466

Bases of 21000189

Binary: 1010000000110111111111101₂
Hexadecimal: 0x1406FFD
Base-36: CI3UL

Squares and roots of 21000189

21000189 squared (21000189²) is 441007938035721
21000189 cubed (21000189³) is 9261250049250429751269
The square root of 21000189 is 4582.5963165001
The cube root of 21000189 is 275.8932453129

Scales and comparisons

How big is 21000189?

21,000,189 seconds is equal to 34 weeks, 5 days, 1 hour, 23 minutes, 9 seconds.
To count from 1 to 21,000,189 would take you about fourteen hours!

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 21000189 cubic inches would be around 23 feet tall.

Recreational maths with 21000189

21000189 backwards is 98100012
21000189 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21000189's digits is 21
More coming soon!

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The information we have on file for 21000189 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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