28276800
28,276,800 is an even composite number composed of five prime numbers multiplied together.
28276800 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 28276800:
26 × 3 × 52 × 43 × 137
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 43 × 137)See below for interesting mathematical facts about the number 28276800 from the Numbermatics database.
Names of 28276800
- Cardinal: 28276800 can be written as Twenty-eight million, two hundred seventy-six thousand, eight hundred.
Scientific notation
- Scientific notation: 2.82768 × 107
Factors of 28276800
Divisors of 28276800
- Number of divisors d(n): 168
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 43 48 50 60 64 75 80 86 96 100 120 129 137 150 160 172 192 200 215 240 258 274 300 320 344 400 411 430 480 516 548 600 645 685 688 800 822 860 960 1032 1075 1096 1200 1290 1370 1376 1600 1644 1720 2055 2064 2150 2192 2400 2580 2740 2752 3225 3288 3425 3440 4110 4128 4300 4384 4800 5160 5480 5891 6450 6576 6850 6880 8220 8256 8600 8768 10275 10320 10960 11782 12900 13152 13700 13760 16440 17200 17673 20550 20640 21920 23564 25800 26304 27400 29455 32880 34400 35346 41100 41280 43840 47128 51600 54800 58910 65760 68800 70692 82200 88365 94256 103200 109600 117820 131520 141384 147275 164400 176730 188512 206400 219200 235640 282768 294550 328800 353460 377024 441825 471280 565536 589100 657600 706920 883650 942560 1131072 1178200 1413840 1767300 1885120 2356400 2827680 3534600 4712800 5655360 7069200 9425600 14138400 28276800
- Sum of all divisors σ(n): 95621856
- Sum of proper divisors (its aliquot sum) s(n): 67345056
- 28276800 is an abundant number, because the sum of its proper divisors (67345056) is greater than itself. Its abundance is 39068256
Bases of 28276800
- Binary: 11010111101111000010000002
- Hexadecimal: 0x1AF7840
- Base-36: GU2IO
Squares and roots of 28276800
- 28276800 squared (282768002) is 799577418240000
- 28276800 cubed (282768003) is 22609490740088832000000
-
The
square root of 28276800 is 5317.5934406457 -
The
cube root of 28276800 is 304.6562462353
Scales and comparisons
How big is 28276800?- 28,276,800 seconds is equal to 46 weeks, 5 days, 6 hours, 40 minutes.
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To count from 1 to 28,276,800 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 28276800 cubic inches would be around 25.4 feet tall.
Recreational maths with 28276800
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