820210985

820,210,985 is an odd composite number composed of five prime numbers multiplied together.

What does the number 820210985 look like?

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

820210985 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 820210985:

5 × 11 × 17 × 67 × 13093

See below for interesting mathematical facts about the number 820210985 from the Numbermatics database.

Names of 820210985

Cardinal: 820210985 can be written as Eight hundred twenty million, two hundred ten thousand, nine hundred eighty-five.

Scientific notation

Scientific notation: 8.20210985 × 10⁸

Factors of 820210985

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 13193

Divisors of 820210985

Number of divisors d(n): 32
Complete list of divisors:
1 5 11 17 55 67 85 187 335 737 935 1139 3685 5695 12529 13093 62645 65465 144023 222581 720115 877231 1112905 2448391 4386155 9649541 12241955 14912927 48247705 74564635 164042197 820210985
Sum of all divisors σ(n): 1153948032
Sum of proper divisors (its aliquot sum) s(n): 333737047
820210985 is a deficient number, because the sum of its proper divisors (333737047) is less than itself. Its deficiency is 486473938

Bases of 820210985

Binary: 110000111000110110110100101001₂
Hexadecimal: 0x30E36D29
Base-36: DKBYUH

Squares and roots of 820210985

820210985 squared (820210985²) is 672746059914670225
820210985 cubed (820210985³) is 551793708457480681197421625
The square root of 820210985 is 28639.3258475125
The cube root of 820210985 is 936.0704318057

Scales and comparisons

How big is 820210985?

820,210,985 seconds is equal to 26 years, 4 weeks, 1 day, 4 hours, 23 minutes, 5 seconds.
To count from 1 to 820,210,985 would take you about thirty-nine 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 820210985 cubic inches would be around 78 feet tall.

Recreational maths with 820210985

820210985 backwards is 589012028
The number of decimal digits it has is: 9
The sum of 820210985's digits is 35
More coming soon!

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The information we have on file for 820210985 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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