81438765408000
81,438,765,408,000 is an even composite number composed of eight prime numbers multiplied together.
81438765408000 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of five thousand, one hundred eighty-four divisors.
Prime factorization of 81438765408000:
28 × 32 × 53 × 7 × 112 × 13 × 61 × 421
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 7 × 11 × 11 × 13 × 61 × 421)See below for interesting mathematical facts about the number 81438765408000 from the Numbermatics database.
Names of 81438765408000
- Cardinal: 81438765408000 can be written as Eighty-one trillion, four hundred thirty-eight billion, seven hundred sixty-five million, four hundred eight thousand.
Scientific notation
- Scientific notation: 8.1438765408 × 1013
Factors of 81438765408000
Divisors of 81438765408000
- Number of divisors d(n): 5184
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 20 21 22 24 25 26 28 30 32 33 35 36 39 40 42 44 45 48 50 52 55 56 60 61 63 64 65 66 70 72 75 77 78 80 84 88 90 91 96 99 100 104 105 110 112 117 120 121 122 125 126 128 130 132 140 143 144 150 154 156 160 165 168 175 176 180 182 183 192 195 198 200 208 210 220 224 225 231 234 240 242 244 250 252 256 260 264 273 275 280 286 288 300 305 308 312 315 320 325 330 336 350 352 360 363 364 366 375 384 385 390 396 400 416 420 421 427 429 440 448 450 455 462 468 480 484 488 495 500 504 520 525 528 546 549 550 560 572 576 585 600 605 610 616 624 630 640 650 660 671 672 693 700 704 715 720 726 728 732 750 768 770 780 792 793 800 819 825 832 840 842 847 854 858 875 880 896 900 910 915 924 936 960 968 975 976 990 1000 1001 1008 1040 1050 1056 1089 1092 1098 1100 1120 1125 1144 1152 1155 1170 1200 1210 1220 1232 1248 1260 1263 1280 1281 1287 1300 1320 1342 1344 1365 1375 1386 1400 1408 1430 1440 1452 1456 1464 1500 1525 1540 1560 1573 1575 1584 1586 1600 1625 1638 1650 1664 1680 1684 1694 1708 1716 1750 1760 1792 1800 1815 1820 1830 1848 1872 1920 1925 1936 1950 1952 1980 2000 2002 2013 2016 2080 2100 2105 2112 2135 2145 2178 2184 2196 2200 2240 2250 2275 2288 2304 2310 2340 2379 2400 2420 2440 2464 2475 2496 2520 2526 2541 2562 2574 2600 2625 2640 2684 2688 2730 2745 2750 2772 2800 2816 2860 2880 2904 2912 2925 2928 2947 3000 3003 3025 3050 3080 3120 3146 3150 3168 3172 3200 3250 3276 3300 3328 3355 3360 3368 3388 3416 3432 3465 3500 3520 3575 3600 3630 3640 3660 3696 3744 3789 3840 3843 3850 3872 3900 3904 3960 3965 4000 4004 4026 4032 4095 4125 4160 4200 4210 4224 4235 4270 4290 4356 4368 4392 4400 4480 4500 4550 4575 4576 4620 4631 4680 4697 4719 4758 4800 4840 4875 4880 4928 4950 4992 5005 5040 5052 5082 5124 5148 5200 5250 5280 5368 5376 5445 5460 5473 5490 5500 5544 5551 5600 5720 5760 5775 5808 5824 5850 5856 5894 6000 6006 6039 6050 6100 6160 6240 6292 6300 6315 6336 6344 6400 6405 6435 6500 6552 6600 6710 6720 6736 6776 6825 6832 6864 6930 7000 7040 7137 7150 7200 7260 7280 7320 7381 7392 7488 7578 7623 7625 7686 7700 7744 7800 7808 7865 7875 7920 7930 8000 8008 8052 8064 8190 8250 8320 8400 8420 8448 8470 8540 8580 8712 8723 8736 8784 8800 8841 8960 9000 9009 9075 9100 9150 9152 9240 9262 9360 9394 9438 9516 9600 9625 9680 9750 9760 9856 9900 9984 10010 10065 10080 10104 10164 10248 10296 10400 10500 10525 10560 10675 10725 10736 10890 10920 10946 10980 11000 11011 11088 11102 11200 11375 11440 11520 11550 11616 11648 11700 11712 11788 11895 12000 12012 12078 12100 12200 12320 12375 12480 12584 12600 12630 12672 12688 12705 12810 12870 13000 13104 13200 13420 13440 13472 13552 13650 13664 13725 13728 13860 13893 14000 14080 14091 14157 14274 14300 14400 14520 14560 14625 14640 14735 14762 14784 14976 15015 15125 15156 15246 15250 15372 15400 15488 15600 15616 15730 15750 15840 15860 16000 16016 16104 16128 16380 16419 16500 16640 16653 16775 16800 16840 16940 17080 17160 17325 17424 17446 17472 17568 17600 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678656378400 696057824000 727131834000 740352412800 775607289600 783065052000 814387654080 822613792000 848320473000 894931488000 904875171200 925440516000 969509112000 1017984567600 1044086736000 1057646304000 1085850205440 1131093964000 1163410934400 1233920688000 1252904083200 1272480709500 1292678816000 1335061728000 1357312756800 1454263668000 1480704825600 1566130104000 1628775308160 1696640946000 1809750342400 1850881032000 1939018224000 2035969135200 2088173472000 2262187928000 2326821868800 2467841376000 2544961419000 2714625513600 2908527336000 3132260208000 3257550616320 3393281892000 3701762064000 3878036448000 4071938270400 4524375856000 5089922838000 5429251027200 5817054672000 6264520416000 6786563784000 7403524128000 8143876540800 9048751712000 10179845676000 11634109344000 13573127568000 16287753081600 20359691352000 27146255136000 40719382704000 81438765408000
- Sum of all divisors σ(n): 403889585578752
- Sum of proper divisors (its aliquot sum) s(n): 322450820170752
- 81438765408000 is an abundant number, because the sum of its proper divisors (322450820170752) is greater than itself. Its abundance is 241012054762752
Bases of 81438765408000
- Binary: 100101000010001011100001010111011011111000000002
- Hexadecimal: 0x4A1170AEDF00
- Base-36: SV8GA8JK0
Squares and roots of 81438765408000
- 81438765408000 squared (814387654080002) is 6632272511179257406464000000
- 81438765408000 cubed (814387654080003) is 540124085159854601360668198797312000000000
-
The
square root of 81438765408000 is 9024342.9349731607 -
The
cube root of 81438765408000 is 43345.4710641597
Scales and comparisons
How big is 81438765408000?- 81,438,765,408,000 seconds is equal to 2,589,500 years, 43 weeks, 2 days, 8 hours.
-
To count from 1 to 81,438,765,408,000 would take you about six million, four hundred seventy-three thousand, seven hundred fifty-two 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 81438765408000 cubic inches would be around 3612.1 feet tall.
Recreational maths with 81438765408000
- 81438765408000 backwards is 00080456783418
- The number of decimal digits it has is: 14
- The sum of 81438765408000's digits is 54
- More coming soon!
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Cite this page
MLA style:
"Number 81438765408000 - Facts about the integer". Numbermatics.com. 2024. Web. 25 June 2024.
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Numbermatics. (2024). Number 81438765408000 - Facts about the integer. Retrieved 25 June 2024, from https://numbermatics.com/n/81438765408000/
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The information we have on file for 81438765408000 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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