28671440

28,671,440 is an even composite number composed of four prime numbers multiplied together.

What does the number 28671440 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

28671440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 28671440:

2⁴ × 5 × 7 × 51199

(2 × 2 × 2 × 2 × 5 × 7 × 51199)

See below for interesting mathematical facts about the number 28671440 from the Numbermatics database.

Names of 28671440

Cardinal: 28671440 can be written as Twenty-eight million, six hundred seventy-one thousand, four hundred forty.

Scientific notation

Scientific notation: 2.867144 × 10⁷

Factors of 28671440

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 51213

Divisors of 28671440

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 51199 102398 204796 255995 358393 409592 511990 716786 819184 1023980 1433572 1791965 2047960 2867144 3583930 4095920 5734288 7167860 14335720 28671440
Sum of all divisors σ(n): 76185600
Sum of proper divisors (its aliquot sum) s(n): 47514160
28671440 is an abundant number, because the sum of its proper divisors (47514160) is greater than itself. Its abundance is 18842720

Bases of 28671440

Binary: 1101101010111110111010000₂
Hexadecimal: 0x1B57DD0
Base-36: H2J0W

Squares and roots of 28671440

28671440 squared (28671440²) is 822051471673600
28671440 cubed (28671440³) is 23569399447001321984000
The square root of 28671440 is 5354.5718783111
The cube root of 28671440 is 306.0669965939

Scales and comparisons

How big is 28671440?

28,671,440 seconds is equal to 47 weeks, 2 days, 20 hours, 17 minutes, 20 seconds.
To count from 1 to 28,671,440 would take you about nineteen 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 28671440 cubic inches would be around 25.5 feet tall.

Recreational maths with 28671440

28671440 backwards is 04417682
The number of decimal digits it has is: 8
The sum of 28671440's digits is 32
More coming soon!

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The information we have on file for 28671440 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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