21284521200
21,284,521,200 is an even composite number composed of five prime numbers multiplied together.
21284521200 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21284521200:
24 × 33 × 52 × 317 × 6217
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 317 × 6217)See below for interesting mathematical facts about the number 21284521200 from the Numbermatics database.
Names of 21284521200
- Cardinal: 21284521200 can be written as Twenty-one billion, two hundred eighty-four million, five hundred twenty-one thousand, two hundred.
Scientific notation
- Scientific notation: 2.12845212 × 1010
Factors of 21284521200
Divisors of 21284521200
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 90 100 108 120 135 144 150 180 200 216 225 240 270 300 317 360 400 432 450 540 600 634 675 720 900 951 1080 1200 1268 1350 1585 1800 1902 2160 2536 2700 2853 3170 3600 3804 4755 5072 5400 5706 6217 6340 7608 7925 8559 9510 10800 11412 12434 12680 14265 15216 15850 17118 18651 19020 22824 23775 24868 25360 28530 31085 31700 34236 37302 38040 42795 45648 47550 49736 55953 57060 62170 63400 68472 71325 74604 76080 85590 93255 95100 99472 111906 114120 124340 126800 136944 142650 149208 155425 167859 171180 186510 190200 213975 223812 228240 248680 279765 285300 298416 310850 335718 342360 373020 380400 427950 447624 466275 497360 559530 570600 621700 671436 684720 746040 839295 855900 895248 932550 1119060 1141200 1243400 1342872 1398825 1492080 1678590 1711800 1865100 1970789 2238120 2486800 2685744 2797650 3357180 3423600 3730200 3941578 4196475 4476240 5595300 5912367 6714360 7460400 7883156 8392950 9853945 11190600 11824734 13428720 15766312 16785900 17737101 19707890 22381200 23649468 29561835 31532624 33571800 35474202 39415780 47298936 49269725 53211303 59123670 67143600 70948404 78831560 88685505 94597872 98539450 106422606 118247340 141896808 147809175 157663120 177371010 197078900 212845212 236494680 266056515 283793616 295618350 354742020 394157800 425690424 443427525 472989360 532113030 591236700 709484040 788315600 851380848 886855050 1064226060 1182473400 1330282575 1418968080 1773710100 2128452120 2364946800 2660565150 3547420200 4256904240 5321130300 7094840400 10642260600 21284521200
- Sum of all divisors σ(n): 76008334560
- Sum of proper divisors (its aliquot sum) s(n): 54723813360
- 21284521200 is an abundant number, because the sum of its proper divisors (54723813360) is greater than itself. Its abundance is 33439292160
Bases of 21284521200
- Binary: 100111101001010100000000100111100002
- Hexadecimal: 0x4F4A804F0
- Base-36: 9S095O0
Squares and roots of 21284521200
- 21284521200 squared (212845212002) is 453030842713249440000
- 21284521200 cubed (212845212003) is 9642544575984023226568128000000
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The
square root of 21284521200 is 145892.1560605641 -
The
cube root of 21284521200 is 2771.3282043627
Scales and comparisons
How big is 21284521200?- 21,284,521,200 seconds is equal to 676 years, 40 weeks, 4 days, 15 hours.
-
To count from 1 to 21,284,521,200 would take you about one thousand, three hundred fifty-three 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 21284521200 cubic inches would be around 230.9 feet tall.
Recreational maths with 21284521200
- 21284521200 backwards is 00212548212
- 21284521200 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21284521200's digits is 27
- More coming soon!
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