85216729

85,216,729 is an odd composite number composed of three prime numbers multiplied together.

What does the number 85216729 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

85216729 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 85216729:

13² × 19 × 26539

(13 × 13 × 19 × 26539)

See below for interesting mathematical facts about the number 85216729 from the Numbermatics database.

Names of 85216729

Cardinal: 85216729 can be written as Eighty-five million, two hundred sixteen thousand, seven hundred twenty-nine.

Scientific notation

Scientific notation: 8.5216729 × 10⁷

Factors of 85216729

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 26571

Divisors of 85216729

Number of divisors d(n): 12
Complete list of divisors:
1 13 19 169 247 3211 26539 345007 504241 4485091 6555133 85216729
Sum of all divisors σ(n): 97136400
Sum of proper divisors (its aliquot sum) s(n): 11919671
85216729 is a deficient number, because the sum of its proper divisors (11919671) is less than itself. Its deficiency is 73297058

Bases of 85216729

Binary: 101000101000100110111011001₂
Hexadecimal: 0x5144DD9
Base-36: 1EQHND

Squares and roots of 85216729

85216729 squared (85216729²) is 7261890901459441
85216729 cubed (85216729³) is 618834588977234888188489
The square root of 85216729 is 9231.2907548187
The cube root of 85216729 is 440.0563443685

Scales and comparisons

How big is 85216729?

85,216,729 seconds is equal to 2 years, 36 weeks, 6 days, 7 hours, 18 minutes, 49 seconds.
To count from 1 to 85,216,729 would take you about four 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 85216729 cubic inches would be around 36.7 feet tall.

Recreational maths with 85216729

85216729 backwards is 92761258
The number of decimal digits it has is: 8
The sum of 85216729's digits is 40
More coming soon!

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The information we have on file for 85216729 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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