28443940

28,443,940 is an even composite number composed of five prime numbers multiplied together.

What does the number 28443940 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

28443940 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28443940:

2² × 5 × 7 × 137 × 1483

(2 × 2 × 5 × 7 × 137 × 1483)

See below for interesting mathematical facts about the number 28443940 from the Numbermatics database.

Names of 28443940

Cardinal: 28443940 can be written as Twenty-eight million, four hundred forty-three thousand, nine hundred forty.

Scientific notation

Scientific notation: 2.844394 × 10⁷

Factors of 28443940

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 1634

Divisors of 28443940

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 7 10 14 20 28 35 70 137 140 274 548 685 959 1370 1483 1918 2740 2966 3836 4795 5932 7415 9590 10381 14830 19180 20762 29660 41524 51905 103810 203171 207620 406342 812684 1015855 1422197 2031710 2844394 4063420 5688788 7110985 14221970 28443940
Sum of all divisors σ(n): 68810112
Sum of proper divisors (its aliquot sum) s(n): 40366172
28443940 is an abundant number, because the sum of its proper divisors (40366172) is greater than itself. Its abundance is 11922232

Bases of 28443940

Binary: 1101100100000010100100100₂
Hexadecimal: 0x1B20524
Base-36: GXNHG

Squares and roots of 28443940

28443940 squared (28443940²) is 809057722723600
28443940 cubed (28443940³) is 23012789321686714984000
The square root of 28443940 is 5333.2860414569
The cube root of 28443940 is 305.2553268221

Scales and comparisons

How big is 28443940?

28,443,940 seconds is equal to 47 weeks, 5 hours, 5 minutes, 40 seconds.
To count from 1 to 28,443,940 would take you about eighteen 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 28443940 cubic inches would be around 25.4 feet tall.

Recreational maths with 28443940

28443940 backwards is 04934482
The number of decimal digits it has is: 8
The sum of 28443940's digits is 34
More coming soon!

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The information we have on file for 28443940 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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