20855220

20,855,220 is an even composite number composed of four prime numbers multiplied together.

What does the number 20855220 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

20855220 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 20855220:

2² × 3 × 5 × 347587

(2 × 2 × 3 × 5 × 347587)

See below for interesting mathematical facts about the number 20855220 from the Numbermatics database.

Names of 20855220

Cardinal: 20855220 can be written as Twenty million, eight hundred fifty-five thousand, two hundred twenty.

Scientific notation

Scientific notation: 2.085522 × 10⁷

Factors of 20855220

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 347597

Divisors of 20855220

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 30 60 347587 695174 1042761 1390348 1737935 2085522 3475870 4171044 5213805 6951740 10427610 20855220
Sum of all divisors σ(n): 58394784
Sum of proper divisors (its aliquot sum) s(n): 37539564
20855220 is an abundant number, because the sum of its proper divisors (37539564) is greater than itself. Its abundance is 16684344

Bases of 20855220

Binary: 1001111100011100110110100₂
Hexadecimal: 0x13E39B4
Base-36: CEZZO

Squares and roots of 20855220

20855220 squared (20855220²) is 434940201248400
20855220 cubed (20855220³) is 9070773583879656648000
The square root of 20855220 is 4566.7515807191
The cube root of 20855220 is 275.2569279259

Scales and comparisons

How big is 20855220?

20,855,220 seconds is equal to 34 weeks, 3 days, 9 hours, 7 minutes.
To count from 1 to 20,855,220 would take you about fifty-one weeks!

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 20855220 cubic inches would be around 22.9 feet tall.

Recreational maths with 20855220

20855220 backwards is 02255802
The number of decimal digits it has is: 8
The sum of 20855220's digits is 24
More coming soon!

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The information we have on file for 20855220 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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