728875000
728,875,000 is an even composite number composed of four prime numbers multiplied together.
728875000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 728875000:
23 × 56 × 73 × 17
(2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 5 × 7 × 7 × 7 × 17)See below for interesting mathematical facts about the number 728875000 from the Numbermatics database.
Names of 728875000
- Cardinal: 728875000 can be written as Seven hundred twenty-eight million, eight hundred seventy-five thousand.
Scientific notation
- Scientific notation: 7.28875 × 108
Factors of 728875000
Divisors of 728875000
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 4 5 7 8 10 14 17 20 25 28 34 35 40 49 50 56 68 70 85 98 100 119 125 136 140 170 175 196 200 238 245 250 280 340 343 350 392 425 476 490 500 595 625 680 686 700 833 850 875 952 980 1000 1190 1225 1250 1372 1400 1666 1700 1715 1750 1960 2125 2380 2450 2500 2744 2975 3125 3332 3400 3430 3500 4165 4250 4375 4760 4900 5000 5831 5950 6125 6250 6664 6860 7000 8330 8500 8575 8750 9800 10625 11662 11900 12250 12500 13720 14875 15625 16660 17000 17150 17500 20825 21250 21875 23324 23800 24500 25000 29155 29750 30625 31250 33320 34300 35000 41650 42500 42875 43750 46648 49000 53125 58310 59500 61250 62500 68600 74375 83300 85000 85750 87500 104125 106250 109375 116620 119000 122500 125000 145775 148750 153125 166600 171500 175000 208250 212500 214375 218750 233240 245000 265625 291550 297500 306250 343000 371875 416500 425000 428750 437500 520625 531250 583100 595000 612500 728875 743750 765625 833000 857500 875000 1041250 1062500 1071875 1166200 1225000 1457750 1487500 1531250 1715000 1859375 2082500 2125000 2143750 2603125 2915500 2975000 3062500 3644375 3718750 4165000 4287500 5206250 5359375 5831000 6125000 7288750 7437500 8575000 10412500 10718750 13015625 14577500 14875000 18221875 20825000 21437500 26031250 29155000 36443750 42875000 52062500 72887500 91109375 104125000 145775000 182218750 364437500 728875000
- Sum of all divisors σ(n): 2109348000
- Sum of proper divisors (its aliquot sum) s(n): 1380473000
- 728875000 is an abundant number, because the sum of its proper divisors (1380473000) is greater than itself. Its abundance is 651598000
Bases of 728875000
- Binary: 1010110111000110111111111110002
- Hexadecimal: 0x2B71BFF8
- Base-36: C1YBJS
Squares and roots of 728875000
- 728875000 squared (7288750002) is 531258765625000000
- 728875000 cubed (7288750003) is 387221232794921875000000000
-
The
square root of 728875000 is 26997.6850859477 -
The
cube root of 728875000 is 899.9485567303
Scales and comparisons
How big is 728875000?- 728,875,000 seconds is equal to 23 years, 9 weeks, 1 day, 1 hour, 16 minutes, 40 seconds.
-
To count from 1 to 728,875,000 would take you about thirty-four years!
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 728875000 cubic inches would be around 75 feet tall.
Recreational maths with 728875000
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