81838000000
81,838,000,000 is an even composite number composed of five prime numbers multiplied together.
81838000000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 81838000000:
27 × 56 × 17 × 29 × 83
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 5 × 17 × 29 × 83)See below for interesting mathematical facts about the number 81838000000 from the Numbermatics database.
Names of 81838000000
- Cardinal: 81838000000 can be written as Eighty-one billion, eight hundred thirty-eight million.
Scientific notation
- Scientific notation: 8.1838 × 1010
Factors of 81838000000
Divisors of 81838000000
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 25 29 32 34 40 50 58 64 68 80 83 85 100 116 125 128 136 145 160 166 170 200 232 250 272 290 320 332 340 400 415 425 464 493 500 544 580 625 640 664 680 725 800 830 850 928 986 1000 1088 1160 1250 1328 1360 1411 1450 1600 1660 1700 1856 1972 2000 2075 2125 2176 2320 2407 2465 2500 2656 2720 2822 2900 3125 3200 3320 3400 3625 3712 3944 4000 4150 4250 4640 4814 4930 5000 5312 5440 5644 5800 6250 6640 6800 7055 7250 7888 8000 8300 8500 9280 9628 9860 10000 10375 10624 10625 10880 11288 11600 12035 12325 12500 13280 13600 14110 14500 15625 15776 16000 16600 17000 18125 18560 19256 19720 20000 20750 21250 22576 23200 24070 24650 25000 26560 27200 28220 29000 31250 31552 33200 34000 35275 36250 38512 39440 40000 40919 41500 42500 45152 46400 48140 49300 50000 51875 53120 53125 54400 56440 58000 60175 61625 62500 63104 66400 68000 70550 72500 77024 78880 80000 81838 83000 85000 90304 90625 92800 96280 98600 100000 103750 106250 112880 116000 120350 123250 125000 132800 136000 141100 145000 154048 157760 163676 166000 170000 176375 180608 181250 192560 197200 200000 204595 207500 212500 225760 232000 240700 246500 250000 259375 265600 265625 272000 282200 290000 300875 308096 308125 315520 327352 332000 340000 352750 362500 385120 394400 400000 409190 415000 425000 451520 453125 464000 481400 493000 500000 518750 531250 564400 580000 601750 616250 654704 664000 680000 705500 725000 770240 788800 818380 830000 850000 881875 903040 906250 962800 986000 1000000 1022975 1037500 1062500 1128800 1160000 1203500 1232500 1296875 1309408 1328000 1360000 1411000 1450000 1504375 1540480 1540625 1577600 1636760 1660000 1700000 1763750 1812500 1925600 1972000 2000000 2045950 2075000 2125000 2257600 2320000 2407000 2465000 2593750 2618816 2822000 2900000 3008750 3081250 3273520 3320000 3400000 3527500 3625000 3851200 3944000 4091900 4150000 4250000 4409375 4515200 4814000 4930000 5114875 5187500 5237632 5644000 5800000 6017500 6162500 6547040 6640000 6800000 7055000 7250000 7521875 7702400 7703125 7888000 8183800 8300000 8500000 8818750 9628000 9860000 10229750 10375000 11288000 11600000 12035000 12325000 13094080 14110000 14500000 15043750 15406250 16367600 16600000 17000000 17637500 19256000 19720000 20459500 20750000 22046875 22576000 24070000 24650000 25574375 26188160 28220000 29000000 30087500 30812500 32735200 33200000 34000000 35275000 37609375 38512000 39440000 40919000 41500000 44093750 48140000 49300000 51148750 56440000 58000000 60175000 61625000 65470400 70550000 75218750 81838000 83000000 88187500 96280000 98600000 102297500 112880000 120350000 123250000 127871875 130940800 141100000 150437500 163676000 166000000 176375000 192560000 197200000 204595000 240700000 246500000 255743750 282200000 300875000 327352000 352750000 409190000 481400000 493000000 511487500 564400000 601750000 639359375 654704000 705500000 818380000 962800000 986000000 1022975000 1203500000 1278718750 1411000000 1636760000 2045950000 2407000000 2557437500 2822000000 3273520000 4091900000 4814000000 5114875000 8183800000 10229750000 16367600000 20459500000 40919000000 81838000000
- Sum of all divisors σ(n): 225911170800
- Sum of proper divisors (its aliquot sum) s(n): 144073170800
- 81838000000 is an abundant number, because the sum of its proper divisors (144073170800) is greater than itself. Its abundance is 62235170800
Bases of 81838000000
- Binary: 10011000011011110110011000111100000002
- Hexadecimal: 0x130DECC780
- Base-36: 11LG8CXS
Squares and roots of 81838000000
- 81838000000 squared (818380000002) is 6697458244000000000000
- 81838000000 cubed (818380000003) is 548106587772472000000000000000000
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The
square root of 81838000000 is 286073.4171502133 -
The
cube root of 81838000000 is 4341.6185996221
Scales and comparisons
How big is 81838000000?- 81,838,000,000 seconds is equal to 2,602 years, 10 weeks, 1 day, 1 hour, 46 minutes, 40 seconds.
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To count from 1 to 81,838,000,000 would take you about five thousand, two hundred 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 81838000000 cubic inches would be around 361.8 feet tall.
Recreational maths with 81838000000
- 81838000000 backwards is 00000083818
- The number of decimal digits it has is: 11
- The sum of 81838000000's digits is 28
- More coming soon!
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The information we have on file for 81838000000 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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