81638731440000
81,638,731,440,000 is an even composite number composed of six prime numbers multiplied together.
81638731440000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three thousand, eight hundred forty divisors.
Prime factorization of 81638731440000:
27 × 33 × 54 × 72 × 173 × 157
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 5 × 5 × 7 × 7 × 17 × 17 × 17 × 157)See below for interesting mathematical facts about the number 81638731440000 from the Numbermatics database.
Names of 81638731440000
- Cardinal: 81638731440000 can be written as Eighty-one trillion, six hundred thirty-eight billion, seven hundred thirty-one million, four hundred forty thousand.
Scientific notation
- Scientific notation: 8.163873144 × 1013
Factors of 81638731440000
Divisors of 81638731440000
- Number of divisors d(n): 3840
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 25 27 28 30 32 34 35 36 40 42 45 48 49 50 51 54 56 60 63 64 68 70 72 75 80 84 85 90 96 98 100 102 105 108 112 119 120 125 126 128 135 136 140 144 147 150 153 157 160 168 170 175 180 189 192 196 200 204 210 216 224 225 238 240 245 250 252 255 270 272 280 288 289 294 300 306 314 315 320 336 340 350 357 360 375 378 384 392 400 408 420 425 432 441 448 450 459 471 476 480 490 500 504 510 525 540 544 560 576 578 588 595 600 612 625 628 630 640 672 675 680 700 714 720 735 750 756 765 784 785 800 816 833 840 850 864 867 875 882 896 900 918 942 945 952 960 980 1000 1008 1020 1050 1071 1080 1088 1099 1120 1125 1152 1156 1176 1190 1200 1224 1225 1250 1256 1260 1275 1323 1344 1350 1360 1400 1413 1428 1440 1445 1470 1500 1512 1530 1568 1570 1575 1600 1632 1666 1680 1700 1728 1734 1750 1764 1785 1800 1836 1875 1884 1890 1904 1920 1960 2000 2016 2023 2040 2100 2125 2142 2160 2176 2198 2205 2240 2250 2295 2312 2352 2355 2380 2400 2448 2450 2499 2500 2512 2520 2550 2601 2625 2646 2669 2688 2700 2720 2800 2826 2856 2880 2890 2940 2975 3000 3024 3060 3136 3140 3150 3200 3213 3264 3297 3332 3360 3375 3400 3456 3468 3500 3528 3570 3600 3672 3675 3750 3768 3780 3808 3825 3920 3925 4000 4032 4046 4080 4165 4200 4239 4250 4284 4320 4335 4375 4396 4410 4480 4500 4590 4624 4704 4710 4725 4760 4800 4896 4900 4913 4998 5000 5024 5040 5100 5202 5250 5292 5338 5355 5400 5440 5495 5600 5625 5652 5712 5760 5780 5880 5950 6000 6048 6069 6120 6125 6272 6280 6300 6375 6426 6528 6594 6615 6664 6720 6750 6800 6936 7000 7056 7065 7140 7200 7225 7344 7350 7497 7500 7536 7560 7616 7650 7693 7803 7840 7850 7875 8000 8007 8064 8092 8160 8330 8400 8478 8500 8568 8640 8670 8750 8792 8820 8925 9000 9180 9248 9408 9420 9450 9520 9600 9792 9800 9826 9891 9996 10000 10048 10080 10115 10200 10404 10500 10584 10625 10676 10710 10800 10880 10990 11025 11200 11250 11304 11424 11475 11560 11760 11775 11900 12000 12096 12138 12240 12250 12495 12560 12600 12750 12852 13005 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1457834490000 1511828360000 1600759440000 1632774628800 1666096560000 1700806905000 1814194032000 1943779320000 2040968286000 2267742540000 2332535184000 2401139160000 2551210357500 2721291048000 2915668980000 3023656720000 3265549257600 3401613810000 3887558640000 4081936572000 4535485080000 4802278320000 5102420715000 5442582096000 5831337960000 6803227620000 8163873144000 9070970160000 10204841430000 11662675920000 13606455240000 16327746288000 20409682860000 27212910480000 40819365720000 81638731440000
- Sum of all divisors σ(n): 374501577384000
- Sum of proper divisors (its aliquot sum) s(n): 292862845944000
- 81638731440000 is an abundant number, because the sum of its proper divisors (292862845944000) is greater than itself. Its abundance is 211224114504000
Bases of 81638731440000
- Binary: 100101000111111111111111001011001011111100000002
- Hexadecimal: 0x4A3FFF965F80
- Base-36: SXSBCULC0
Squares and roots of 81638731440000
- 81638731440000 squared (816387314400002) is 6664882471132444473600000000
- 81638731440000 cubed (816387314400003) is 544112550139945187050942569984000000000000
-
The
square root of 81638731440000 is 9035415.3994157901 -
The
cube root of 81638731440000 is 43380.9191183583
Scales and comparisons
How big is 81638731440000?- 81,638,731,440,000 seconds is equal to 2,595,859 years, 7 weeks.
-
To count from 1 to 81,638,731,440,000 would take you about six million, four hundred eighty-nine thousand, six hundred forty-seven 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 81638731440000 cubic inches would be around 3615.1 feet tall.
Recreational maths with 81638731440000
- 81638731440000 backwards is 00004413783618
- 81638731440000 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81638731440000's digits is 45
- More coming soon!
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Cite this page
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"Number 81638731440000 - Facts about the integer". Numbermatics.com. 2024. Web. 7 June 2024.
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Numbermatics. (2024). Number 81638731440000 - Facts about the integer. Retrieved 7 June 2024, from https://numbermatics.com/n/81638731440000/
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The information we have on file for 81638731440000 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!
Keywords: Divisors of 81638731440000, math, Factors of 81638731440000, curriculum, school, college, exams, university, Prime factorization of 81638731440000, STEM, science, technology, engineering, physics, economics, calculator, eighty-one trillion, six hundred thirty-eight billion, seven hundred thirty-one million, four hundred forty thousand.