40780728

40,780,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 40780728 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

40780728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 40780728:

2³ × 3² × 29 × 19531

(2 × 2 × 2 × 3 × 3 × 29 × 19531)

See below for interesting mathematical facts about the number 40780728 from the Numbermatics database.

Names of 40780728

Cardinal: 40780728 can be written as Forty million, seven hundred eighty thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 4.0780728 × 10⁷

Factors of 40780728

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 19565

Divisors of 40780728

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 29 36 58 72 87 116 174 232 261 348 522 696 1044 2088 19531 39062 58593 78124 117186 156248 175779 234372 351558 468744 566399 703116 1132798 1406232 1699197 2265596 3398394 4531192 5097591 6796788 10195182 13593576 20390364 40780728
Sum of all divisors σ(n): 114262200
Sum of proper divisors (its aliquot sum) s(n): 73481472
40780728 is an abundant number, because the sum of its proper divisors (73481472) is greater than itself. Its abundance is 32700744

Bases of 40780728

Binary: 10011011100100001110111000₂
Hexadecimal: 0x26E43B8
Base-36: OA2M0

Squares and roots of 40780728

40780728 squared (40780728²) is 1663067776209984
40780728 cubed (40780728³) is 67821114627184228388352
The square root of 40780728 is 6385.9790165643
The cube root of 40780728 is 344.2059115145

Scales and comparisons

How big is 40780728?

40,780,728 seconds is equal to 1 year, 15 weeks, 2 days, 23 hours, 58 minutes, 48 seconds.
To count from 1 to 40,780,728 would take you about forty-nine weeks!

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 40780728 cubic inches would be around 28.7 feet tall.

Recreational maths with 40780728

40780728 backwards is 82708704
40780728 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 40780728's digits is 36
More coming soon!

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The information we have on file for 40780728 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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