64797728

64,797,728 is an even composite number composed of two prime numbers multiplied together.

What does the number 64797728 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 18 divisors.

64797728 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 64797728:

2⁵ × 1423²

(2 × 2 × 2 × 2 × 2 × 1423 × 1423)

See below for interesting mathematical facts about the number 64797728 from the Numbermatics database.

Names of 64797728

Cardinal: 64797728 can be written as Sixty-four million, seven hundred ninety-seven thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 6.4797728 × 10⁷

Factors of 64797728

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 7
Sum of prime factors: 1425

Divisors of 64797728

Number of divisors d(n): 18
Complete list of divisors:
1 2 4 8 16 32 1423 2846 5692 11384 22768 45536 2024929 4049858 8099716 16199432 32398864 64797728
Sum of all divisors σ(n): 127660239
Sum of proper divisors (its aliquot sum) s(n): 62862511
64797728 is a deficient number, because the sum of its proper divisors (62862511) is less than itself. Its deficiency is 1935217

Bases of 64797728

Binary: 11110111001011110000100000₂
Hexadecimal: 0x3DCBC20
Base-36: 12KU8W

Squares and roots of 64797728

64797728 squared (64797728²) is 4198745553961984
64797728 cubed (64797728³) is 272069172346837961572352
The square root of 64797728 is 8049.7035970277
The cube root of 64797728 is 401.6550756989

Scales and comparisons

How big is 64797728?

64,797,728 seconds is equal to 2 years, 3 weeks, 23 hours, 22 minutes, 8 seconds.
To count from 1 to 64,797,728 would take you about three 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 64797728 cubic inches would be around 33.5 feet tall.

Recreational maths with 64797728

64797728 backwards is 82779746
The number of decimal digits it has is: 8
The sum of 64797728's digits is 50
More coming soon!

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The information we have on file for 64797728 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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