812864

812,864 is an even composite number composed of three prime numbers multiplied together.

What does the number 812864 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.

812864 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

Prime factorization of 812864:

2⁶ × 13 × 977

(2 × 2 × 2 × 2 × 2 × 2 × 13 × 977)

See below for interesting mathematical facts about the number 812864 from the Numbermatics database.

Names of 812864

Cardinal: 812864 can be written as Eight hundred twelve thousand, eight hundred sixty-four.

Scientific notation

Scientific notation: 8.12864 × 10⁵

Factors of 812864

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 992

Divisors of 812864

Number of divisors d(n): 28
Complete list of divisors:
1 2 4 8 13 16 26 32 52 64 104 208 416 832 977 1954 3908 7816 12701 15632 25402 31264 50804 62528 101608 203216 406432 812864
Sum of all divisors σ(n): 1738884
Sum of proper divisors (its aliquot sum) s(n): 926020
812864 is an abundant number, because the sum of its proper divisors (926020) is greater than itself. Its abundance is 113156

Bases of 812864

Binary: 11000110011101000000₂
Hexadecimal: 0xC6740
Base-36: HF7K

Squares and roots of 812864

812864 squared (812864²) is 660747882496
812864 cubed (812864³) is 537098166757228544
The square root of 812864 is 901.5897071283
The cube root of 812864 is 93.3267115483

Scales and comparisons

How big is 812864?

812,864 seconds is equal to 1 week, 2 days, 9 hours, 47 minutes, 44 seconds.
To count from 1 to 812,864 would take you about two days!

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 812864 cubic inches would be around 7.8 feet tall.

Recreational maths with 812864

812864 backwards is 468218
The number of decimal digits it has is: 6
The sum of 812864's digits is 29
More coming soon!

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The information we have on file for 812864 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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