70728

70,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 70728 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

70728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 70728:

2³ × 3 × 7 × 421

(2 × 2 × 2 × 3 × 7 × 421)

See below for interesting mathematical facts about the number 70728 from the Numbermatics database.

Names of 70728

Cardinal: 70728 can be written as Seventy thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 7.0728 × 10⁴

Factors of 70728

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 433

Divisors of 70728

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 421 842 1263 1684 2526 2947 3368 5052 5894 8841 10104 11788 17682 23576 35364 70728
Sum of all divisors σ(n): 202560
Sum of proper divisors (its aliquot sum) s(n): 131832
70728 is an abundant number, because the sum of its proper divisors (131832) is greater than itself. Its abundance is 61104

Bases of 70728

Binary: 10001010001001000₂
Hexadecimal: 0x11448
Base-36: 1IKO

Squares and roots of 70728

70728 squared (70728²) is 5002449984
70728 cubed (70728³) is 353813282468352
The square root of 70728 is 265.9473632131
The cube root of 70728 is 41.3552317767

Scales and comparisons

How big is 70728?

70,728 seconds is equal to 19 hours, 38 minutes, 48 seconds.
To count from 1 to 70,728 would take you about nineteen hours.

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 70728 cubic inches would be around 3.4 feet tall.

Recreational maths with 70728

70728 backwards is 82707
70728 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 70728's digits is 24
More coming soon!

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The information we have on file for 70728 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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