20853990

20,853,990 is an even composite number composed of four prime numbers multiplied together.

What does the number 20853990 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

20853990 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 20853990:

2 × 3³ × 5 × 77237

(2 × 3 × 3 × 3 × 5 × 77237)

See below for interesting mathematical facts about the number 20853990 from the Numbermatics database.

Names of 20853990

Cardinal: 20853990 can be written as Twenty million, eight hundred fifty-three thousand, nine hundred ninety.

Scientific notation

Scientific notation: 2.085399 × 10⁷

Factors of 20853990

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 77247

Divisors of 20853990

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 77237 154474 231711 386185 463422 695133 772370 1158555 1390266 2085399 2317110 3475665 4170798 6951330 10426995 20853990
Sum of all divisors σ(n): 55611360
Sum of proper divisors (its aliquot sum) s(n): 34757370
20853990 is an abundant number, because the sum of its proper divisors (34757370) is greater than itself. Its abundance is 13903380

Bases of 20853990

Binary: 1001111100011010011100110₂
Hexadecimal: 0x13E34E6
Base-36: CEZ1I

Squares and roots of 20853990

20853990 squared (20853990²) is 434888898920100
20853990 cubed (20853990³) is 9069168749190776199000
The square root of 20853990 is 4566.6169097045
The cube root of 20853990 is 275.2515164481

Scales and comparisons

How big is 20853990?

20,853,990 seconds is equal to 34 weeks, 3 days, 8 hours, 46 minutes, 30 seconds.
To count from 1 to 20,853,990 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 20853990 cubic inches would be around 22.9 feet tall.

Recreational maths with 20853990

20853990 backwards is 09935802
The number of decimal digits it has is: 8
The sum of 20853990's digits is 36
More coming soon!

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The information we have on file for 20853990 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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