12800821500
12,800,821,500 is an even composite number composed of five prime numbers multiplied together.
12800821500 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 12800821500:
22 × 33 × 53 × 173 × 193
(2 × 2 × 3 × 3 × 3 × 5 × 5 × 5 × 17 × 17 × 17 × 193)See below for interesting mathematical facts about the number 12800821500 from the Numbermatics database.
Names of 12800821500
- Cardinal: 12800821500 can be written as Twelve billion, eight hundred million, eight hundred twenty-one thousand, five hundred.
Scientific notation
- Scientific notation: 1.28008215 × 1010
Factors of 12800821500
Divisors of 12800821500
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 17 18 20 25 27 30 34 36 45 50 51 54 60 68 75 85 90 100 102 108 125 135 150 153 170 180 193 204 225 250 255 270 289 300 306 340 375 386 425 450 459 500 510 540 578 579 612 675 750 765 772 850 867 900 918 965 1020 1125 1156 1158 1275 1350 1445 1500 1530 1700 1734 1737 1836 1930 2125 2250 2295 2316 2550 2601 2700 2890 2895 3060 3281 3375 3468 3474 3825 3860 4250 4335 4500 4590 4825 4913 5100 5202 5211 5780 5790 6375 6562 6750 6948 7225 7650 7803 8500 8670 8685 9180 9650 9826 9843 10404 10422 11475 11580 12750 13005 13124 13500 14450 14475 14739 15300 15606 16405 17340 17370 19125 19300 19652 19686 20844 21675 22950 24125 24565 25500 26010 26055 28900 28950 29478 29529 31212 32810 34740 36125 38250 39015 39372 43350 43425 44217 45900 48250 49130 49215 52020 52110 55777 57375 57900 58956 59058 65025 65620 72250 72375 73695 76500 78030 82025 86700 86850 88434 88587 96500 98260 98430 104220 108375 111554 114750 118116 122825 130050 130275 132651 144500 144750 147390 147645 156060 164050 167331 173700 176868 177174 195075 196860 216750 217125 221085 223108 229500 245650 246075 260100 260550 265302 278885 289500 294780 295290 325125 328100 334662 354348 368475 390150 410125 433500 434250 442170 442935 491300 492150 501993 521100 530604 557770 590580 614125 650250 651375 663255 669324 736950 738225 780300 820250 836655 868500 884340 885870 948209 975375 984300 1003986 1105425 1115540 1228250 1230375 1300500 1302750 1326510 1394425 1473900 1476450 1505979 1640500 1673310 1771740 1842375 1896418 1950750 2007972 2210850 2214675 2456500 2460750 2509965 2605500 2653020 2788850 2844627 2952900 3011958 3316275 3346620 3684750 3691125 3792836 3901500 4183275 4421700 4429350 4741045 4921500 5019930 5527125 5577700 5689254 6023916 6632550 6972125 7369500 7382250 7529895 8366550 8533881 8858700 9482090 10039860 11054250 11073375 11378508 12549825 13265100 13944250 14223135 14764500 15059790 16581375 16733100 17067762 18964180 20916375 22108500 22146750 23705225 25099650 25601643 27888500 28446270 30119580 33162750 34135524 37649475 41832750 42669405 44293500 47410450 50199300 51203286 56892540 62749125 66325500 71115675 75298950 83665500 85338810 94820900 102406572 118526125 125498250 128008215 142231350 150597900 170677620 188247375 213347025 237052250 250996500 256016430 284462700 355578375 376494750 426694050 474104500 512032860 640041075 711156750 752989500 853388100 1066735125 1280082150 1422313500 2133470250 2560164300 3200205375 4266940500 6400410750 12800821500
- Sum of all divisors σ(n): 44233862400
- Sum of proper divisors (its aliquot sum) s(n): 31433040900
- 12800821500 is an abundant number, because the sum of its proper divisors (31433040900) is greater than itself. Its abundance is 18632219400
Bases of 12800821500
- Binary: 10111110101111110100001000111111002
- Hexadecimal: 0x2FAFD08FC
- Base-36: 5VPA130
Squares and roots of 12800821500
- 12800821500 squared (128008215002) is 163861031074862250000
- 12800821500 cubed (128008215003) is 2097555809595264799338375000000
-
The
square root of 12800821500 is 113140.7154829773 -
The
cube root of 12800821500 is 2339.2642328449
Scales and comparisons
How big is 12800821500?- 12,800,821,500 seconds is equal to 407 years, 1 week, 2 days, 15 hours, 45 minutes.
-
To count from 1 to 12,800,821,500 would take you about eight hundred fourteen 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 12800821500 cubic inches would be around 194.9 feet tall.
Recreational maths with 12800821500
- 12800821500 backwards is 00512800821
- 12800821500 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12800821500's digits is 27
- More coming soon!
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