21056220

21,056,220 is an even composite number composed of four prime numbers multiplied together.

What does the number 21056220 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

21056220 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21056220:

2² × 3³ × 5 × 38993

(2 × 2 × 3 × 3 × 3 × 5 × 38993)

See below for interesting mathematical facts about the number 21056220 from the Numbermatics database.

Names of 21056220

Cardinal: 21056220 can be written as Twenty-one million, fifty-six thousand, two hundred twenty.

Scientific notation

Scientific notation: 2.105622 × 10⁷

Factors of 21056220

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 39003

Divisors of 21056220

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 38993 77986 116979 155972 194965 233958 350937 389930 467916 584895 701874 779860 1052811 1169790 1403748 1754685 2105622 2339580 3509370 4211244 5264055 7018740 10528110 21056220
Sum of all divisors σ(n): 65509920
Sum of proper divisors (its aliquot sum) s(n): 44453700
21056220 is an abundant number, because the sum of its proper divisors (44453700) is greater than itself. Its abundance is 23397480

Bases of 21056220

Binary: 1010000010100101011011100₂
Hexadecimal: 0x1414ADC
Base-36: CJB30

Squares and roots of 21056220

21056220 squared (21056220²) is 443364400688400
21056220 cubed (21056220³) is 9335578361063101848000
The square root of 21056220 is 4588.7056998679
The cube root of 21056220 is 276.1383993975

Scales and comparisons

How big is 21056220?

21,056,220 seconds is equal to 34 weeks, 5 days, 16 hours, 57 minutes.
To count from 1 to 21,056,220 would take you about thirteen 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 21056220 cubic inches would be around 23 feet tall.

Recreational maths with 21056220

21056220 backwards is 02265012
21056220 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21056220's digits is 18
More coming soon!

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The information we have on file for 21056220 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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