28009380
28,009,380 is an even composite number composed of five prime numbers multiplied together.
28009380 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 28009380:
22 × 3 × 5 × 73 × 1361
(2 × 2 × 3 × 5 × 7 × 7 × 7 × 1361)See below for interesting mathematical facts about the number 28009380 from the Numbermatics database.
Names of 28009380
- Cardinal: 28009380 can be written as Twenty-eight million, nine thousand, three hundred eighty.
Scientific notation
- Scientific notation: 2.800938 × 107
Factors of 28009380
Divisors of 28009380
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 343 420 490 588 686 735 980 1029 1361 1372 1470 1715 2058 2722 2940 3430 4083 4116 5145 5444 6805 6860 8166 9527 10290 13610 16332 19054 20415 20580 27220 28581 38108 40830 47635 57162 66689 81660 95270 114324 133378 142905 190540 200067 266756 285810 333445 400134 466823 571620 666890 800268 933646 1000335 1333780 1400469 1867292 2000670 2334115 2800938 4001340 4668230 5601876 7002345 9336460 14004690 28009380
- Sum of all divisors σ(n): 91526400
- Sum of proper divisors (its aliquot sum) s(n): 63517020
- 28009380 is an abundant number, because the sum of its proper divisors (63517020) is greater than itself. Its abundance is 35507640
Bases of 28009380
- Binary: 11010101101100011101001002
- Hexadecimal: 0x1AB63A4
- Base-36: GOC6C
Squares and roots of 28009380
- 28009380 squared (280093802) is 784525367984400
- 28009380 cubed (280093803) is 21974069151514893672000
-
The
square root of 28009380 is 5292.3888746009 -
The
cube root of 28009380 is 303.6928019787
Scales and comparisons
How big is 28009380?- 28,009,380 seconds is equal to 46 weeks, 2 days, 4 hours, 23 minutes.
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To count from 1 to 28,009,380 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 28009380 cubic inches would be around 25.3 feet tall.
Recreational maths with 28009380
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The information we have on file for 28009380 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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