84387728

84,387,728 is an even composite number composed of three prime numbers multiplied together.

What does the number 84387728 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 30 divisors.

84387728 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty divisors.

Prime factorization of 84387728:

2⁴ × 17 × 557²

(2 × 2 × 2 × 2 × 17 × 557 × 557)

See below for interesting mathematical facts about the number 84387728 from the Numbermatics database.

Names of 84387728

Cardinal: 84387728 can be written as Eighty-four million, three hundred eighty-seven thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 8.4387728 × 10⁷

Factors of 84387728

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 576

Divisors of 84387728

Number of divisors d(n): 30
Complete list of divisors:
1 2 4 8 16 17 34 68 136 272 557 1114 2228 4456 8912 9469 18938 37876 75752 151504 310249 620498 1240996 2481992 4963984 5274233 10548466 21096932 42193864 84387728
Sum of all divisors σ(n): 173430306
Sum of proper divisors (its aliquot sum) s(n): 89042578
84387728 is an abundant number, because the sum of its proper divisors (89042578) is greater than itself. Its abundance is 4654850

Bases of 84387728

Binary: 101000001111010011110010000₂
Hexadecimal: 0x507A790
Base-36: 1E8PZK

Squares and roots of 84387728

84387728 squared (84387728²) is 7121288637001984
84387728 cubed (84387728³) is 600949368508814161252352
The square root of 84387728 is 9186.2793338761
The cube root of 84387728 is 438.6247140809

Scales and comparisons

How big is 84387728?

84,387,728 seconds is equal to 2 years, 35 weeks, 3 days, 17 hours, 2 minutes, 8 seconds.
To count from 1 to 84,387,728 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 84387728 cubic inches would be around 36.6 feet tall.

Recreational maths with 84387728

84387728 backwards is 82778348
The number of decimal digits it has is: 8
The sum of 84387728's digits is 47
More coming soon!

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The information we have on file for 84387728 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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