1820816

1,820,816 is an even composite number composed of three prime numbers multiplied together.

What does the number 1820816 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

1820816 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 1820816:

2⁴ × 31 × 3671

(2 × 2 × 2 × 2 × 31 × 3671)

See below for interesting mathematical facts about the number 1820816 from the Numbermatics database.

Names of 1820816

Cardinal: 1820816 can be written as One million, eight hundred twenty thousand, eight hundred sixteen.

Scientific notation

Scientific notation: 1.820816 × 10⁶

Factors of 1820816

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 3704

Divisors of 1820816

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 8 16 31 62 124 248 496 3671 7342 14684 29368 58736 113801 227602 455204 910408 1820816
Sum of all divisors σ(n): 3642624
Sum of proper divisors (its aliquot sum) s(n): 1821808
1820816 is an abundant number, because the sum of its proper divisors (1821808) is greater than itself. Its abundance is 992

Bases of 1820816

Binary: 110111100100010010000₂
Hexadecimal: 0x1BC890
Base-36: 130Y8

Squares and roots of 1820816

1820816 squared (1820816²) is 3315370905856
1820816 cubed (1820816³) is 6036680391317098496
The square root of 1820816 is 1349.3761521533
The cube root of 1820816 is 122.1111591015

Scales and comparisons

How big is 1820816?

1,820,816 seconds is equal to 3 weeks, 1 hour, 46 minutes, 56 seconds.
To count from 1 to 1,820,816 would take you about four 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 1820816 cubic inches would be around 10.2 feet tall.

Recreational maths with 1820816

1820816 backwards is 6180281
The number of decimal digits it has is: 7
The sum of 1820816's digits is 26
More coming soon!

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The information we have on file for 1820816 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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