28379280

28,379,280 is an even composite number composed of four prime numbers multiplied together.

What does the number 28379280 look like?

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

28379280 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 28379280:

2⁴ × 3 × 5 × 118247

(2 × 2 × 2 × 2 × 3 × 5 × 118247)

See below for interesting mathematical facts about the number 28379280 from the Numbermatics database.

Names of 28379280

Cardinal: 28379280 can be written as Twenty-eight million, three hundred seventy-nine thousand, two hundred eighty.

Scientific notation

Scientific notation: 2.837928 × 10⁷

Factors of 28379280

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 118257

Divisors of 28379280

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 118247 236494 354741 472988 591235 709482 945976 1182470 1418964 1773705 1891952 2364940 2837928 3547410 4729880 5675856 7094820 9459760 14189640 28379280
Sum of all divisors σ(n): 87976512
Sum of proper divisors (its aliquot sum) s(n): 59597232
28379280 is an abundant number, because the sum of its proper divisors (59597232) is greater than itself. Its abundance is 31217952

Bases of 28379280

Binary: 1101100010000100010010000₂
Hexadecimal: 0x1B10890
Base-36: GW9LC

Squares and roots of 28379280

28379280 squared (28379280²) is 805383533318400
28379280 cubed (28379280³) is 22856204799432202752000
The square root of 28379280 is 5327.2206637233
The cube root of 28379280 is 305.0238447719

Scales and comparisons

How big is 28379280?

28,379,280 seconds is equal to 46 weeks, 6 days, 11 hours, 8 minutes.
To count from 1 to 28,379,280 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 28379280 cubic inches would be around 25.4 feet tall.

Recreational maths with 28379280

28379280 backwards is 08297382
The number of decimal digits it has is: 8
The sum of 28379280's digits is 39
More coming soon!

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The information we have on file for 28379280 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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