811312990

811,312,990 is an even composite number composed of five prime numbers multiplied together.

What does the number 811312990 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

811312990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 811312990:

2 × 5 × 29 × 233 × 12007

See below for interesting mathematical facts about the number 811312990 from the Numbermatics database.

Names of 811312990

Cardinal: 811312990 can be written as Eight hundred eleven million, three hundred twelve thousand, nine hundred ninety.

Scientific notation

Scientific notation: 8.1131299 × 10⁸

Factors of 811312990

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 12276

Divisors of 811312990

Number of divisors d(n): 32
Complete list of divisors:
1 2 5 10 29 58 145 233 290 466 1165 2330 6757 12007 13514 24014 33785 60035 67570 120070 348203 696406 1741015 2797631 3482030 5595262 13988155 27976310 81131299 162262598 405656495 811312990
Sum of all divisors σ(n): 1517330880
Sum of proper divisors (its aliquot sum) s(n): 706017890
811312990 is a deficient number, because the sum of its proper divisors (706017890) is less than itself. Its deficiency is 105295100

Bases of 811312990

Binary: 110000010110111010011101011110₂
Hexadecimal: 0x305BA75E
Base-36: DF193Y

Squares and roots of 811312990

811312990 squared (811312990²) is 658228767742740100
811312990 cubed (811312990³) is 534029549661378021323899000
The square root of 811312990 is 28483.5564843999
The cube root of 811312990 is 932.6731546001

Scales and comparisons

How big is 811312990?

811,312,990 seconds is equal to 25 years, 41 weeks, 3 days, 4 hours, 43 minutes, 10 seconds.
To count from 1 to 811,312,990 would take you about thirty-eight years!

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 811312990 cubic inches would be around 77.7 feet tall.

Recreational maths with 811312990

811312990 backwards is 099213118
The number of decimal digits it has is: 9
The sum of 811312990's digits is 34
More coming soon!

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The information we have on file for 811312990 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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