28093140
28,093,140 is an even composite number composed of five prime numbers multiplied together.
28093140 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 28093140:
22 × 32 × 5 × 97 × 1609
(2 × 2 × 3 × 3 × 5 × 97 × 1609)See below for interesting mathematical facts about the number 28093140 from the Numbermatics database.
Names of 28093140
- Cardinal: 28093140 can be written as Twenty-eight million, ninety-three thousand, one hundred forty.
Scientific notation
- Scientific notation: 2.809314 × 107
Factors of 28093140
Divisors of 28093140
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 97 180 194 291 388 485 582 873 970 1164 1455 1609 1746 1940 2910 3218 3492 4365 4827 5820 6436 8045 8730 9654 14481 16090 17460 19308 24135 28962 32180 48270 57924 72405 96540 144810 156073 289620 312146 468219 624292 780365 936438 1404657 1560730 1872876 2341095 2809314 3121460 4682190 5618628 7023285 9364380 14046570 28093140
- Sum of all divisors σ(n): 86147880
- Sum of proper divisors (its aliquot sum) s(n): 58054740
- 28093140 is an abundant number, because the sum of its proper divisors (58054740) is greater than itself. Its abundance is 29961600
Bases of 28093140
- Binary: 11010110010101010110101002
- Hexadecimal: 0x1ACAAD4
- Base-36: GQ4T0
Squares and roots of 28093140
- 28093140 squared (280931402) is 789224515059600
- 28093140 cubed (280931403) is 22171794793001451144000
-
The
square root of 28093140 is 5300.2962181373 -
The
cube root of 28093140 is 303.9952244171
Scales and comparisons
How big is 28093140?- 28,093,140 seconds is equal to 46 weeks, 3 days, 3 hours, 39 minutes.
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To count from 1 to 28,093,140 would take you about seventeen 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 28093140 cubic inches would be around 25.3 feet tall.
Recreational maths with 28093140
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