820149

820,149 is an odd composite number composed of four prime numbers multiplied together.

What does the number 820149 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

820149 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 820149:

3 × 11 × 29 × 857

See below for interesting mathematical facts about the number 820149 from the Numbermatics database.

Names of 820149

Cardinal: 820149 can be written as Eight hundred twenty thousand, one hundred forty-nine.

Scientific notation

Scientific notation: 8.20149 × 10⁵

Factors of 820149

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 900

Divisors of 820149

Number of divisors d(n): 16
Complete list of divisors:
1 3 11 29 33 87 319 857 957 2571 9427 24853 28281 74559 273383 820149
Sum of all divisors σ(n): 1235520
Sum of proper divisors (its aliquot sum) s(n): 415371
820149 is a deficient number, because the sum of its proper divisors (415371) is less than itself. Its deficiency is 404778

Bases of 820149

Binary: 11001000001110110101₂
Hexadecimal: 0xC83B5
Base-36: HKTX

Squares and roots of 820149

820149 squared (820149²) is 672644382201
820149 cubed (820149³) is 551668617417767949
The square root of 820149 is 905.6207815637
The cube root of 820149 is 93.6046850967

Scales and comparisons

How big is 820149?

820,149 seconds is equal to 1 week, 2 days, 11 hours, 49 minutes, 9 seconds.
To count from 1 to 820,149 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 820149 cubic inches would be around 7.8 feet tall.

Recreational maths with 820149

820149 backwards is 941028
The number of decimal digits it has is: 6
The sum of 820149's digits is 24
More coming soon!

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The information we have on file for 820149 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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