81649040000
81,649,040,000 is an even composite number composed of six prime numbers multiplied together.
81649040000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of six hundred forty divisors.
Prime factorization of 81649040000:
27 × 54 × 11 × 31 × 41 × 73
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 11 × 31 × 41 × 73)See below for interesting mathematical facts about the number 81649040000 from the Numbermatics database.
Names of 81649040000
- Cardinal: 81649040000 can be written as Eighty-one billion, six hundred forty-nine million, forty thousand.
Scientific notation
- Scientific notation: 8.164904 × 1010
Factors of 81649040000
Divisors of 81649040000
- Number of divisors d(n): 640
-
Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 25 31 32 40 41 44 50 55 62 64 73 80 82 88 100 110 124 125 128 146 155 160 164 176 200 205 220 248 250 275 292 310 320 328 341 352 365 400 410 440 451 496 500 550 584 620 625 640 656 682 704 730 775 800 803 820 880 902 992 1000 1025 1100 1168 1240 1250 1271 1312 1364 1375 1408 1460 1550 1600 1606 1640 1705 1760 1804 1825 1984 2000 2050 2200 2255 2263 2336 2480 2500 2542 2624 2728 2750 2920 2993 3100 3200 3212 3280 3410 3520 3608 3650 3875 3968 4000 4015 4100 4400 4510 4526 4672 4960 5000 5084 5125 5248 5456 5500 5840 5986 6200 6355 6424 6560 6820 6875 7040 7216 7300 7750 8000 8030 8200 8525 8800 9020 9052 9125 9344 9920 10000 10168 10250 10912 11000 11275 11315 11680 11972 12400 12710 12848 13120 13640 13750 13981 14432 14600 14965 15500 16000 16060 16400 17050 17600 18040 18104 18250 19375 19840 20000 20075 20336 20500 21824 22000 22550 22630 23360 23944 24800 24893 25420 25625 25696 26240 27280 27500 27962 28864 29200 29930 31000 31775 32120 32800 32923 34100 35200 36080 36208 36500 38750 40000 40150 40672 41000 42625 43648 44000 45100 45260 45625 46720 47888 49600 49786 50840 51250 51392 54560 55000 55924 56375 56575 57728 58400 59860 62000 63550 64240 65600 65846 68200 69905 72160 72416 73000 74825 77500 80000 80300 81344 82000 85250 88000 90200 90520 91250 92783 95776 99200 99572 100375 101680 102500 102784 109120 110000 111848 112750 113150 116800 119720 124000 124465 127100 128480 131200 131692 136400 139810 144320 144832 146000 149650 155000 158875 160600 162688 164000 164615 170500 176000 180400 181040 182500 185566 191552 199144 200750 203360 205000 213125 218240 220000 223696 225500 226300 233600 239440 248000 248930 254200 256960 263384 272800 279620 281875 282875 288640 289664 292000 299300 310000 317750 321200 328000 329230 341000 349525 360800 362080 365000 371132 374125 383104 398288 401500 406720 410000 426250 440000 447392 451000 452600 463915 478880 496000 497860 501875 508400 513920 526768 545600 559240 563750 565750 584000 598600 620000 622325 635500 642400 656000 658460 682000 699050 721600 724160 730000 742264 748250 794375 796576 803000 813440 820000 823075 852500 880000 894784 902000 905200 927830 957760 995720 1003750 1016800 1020613 1053536 1091200 1118480 1127500 1131500 1168000 1197200 1240000 1244650 1271000 1284800 1316920 1364000 1398100 1414375 1443200 1448320 1460000 1484528 1496500 1588750 1593152 1606000 1640000 1646150 1705000 1747625 1789568 1804000 1810400 1855660 1870625 1915520 1991440 2007500 2033600 2041226 2107072 2236960 2255000 2263000 2319575 2394400 2480000 2489300 2542000 2569600 2633840 2728000 2796200 2828750 2920000 2969056 2993000 3111625 3177500 3186304 3212000 3280000 3292300 3410000 3495250 3608000 3620800 3711320 3741250 3982880 4015000 4067200 4082452 4115375 4214144 4473920 4510000 4526000 4639150 4788800 4978600 5084000 5103065 5267680 5456000 5592400 5657500 5840000 5938112 5986000 6223250 6355000 6424000 6584600 6820000 6990500 7216000 7241600 7422640 7482500 7965760 8030000 8164904 8230750 8738125 8947840 9020000 9052000 9278300 9577600 9957200 10168000 10206130 10535360 11184800 11315000 11597875 11876224 11972000 12446500 12710000 12848000 13169200 13640000 13981000 14845280 14965000 15558125 15931520 16060000 16329808 16461500 17476250 18040000 18104000 18556600 19914400 20336000 20412260 20576875 21070720 22369600 22630000 23195750 23944000 24893000 25420000 25515325 26338400 27280000 27962000 29690560 29930000 31116250 32120000 32659616 32923000 34952500 36080000 36208000 37113200 39828800 40824520 41153750 44739200 45260000 46391500 47888000 49786000 50840000 51030650 52676800 55924000 57989375 59381120 59860000 62232500 64240000 65319232 65846000 69905000 74226400 79657600 81649040 82307500 90520000 92783000 99572000 101680000 102061300 105353600 111848000 115978750 119720000 124465000 127576625 130638464 131692000 139810000 148452800 163298080 164615000 181040000 185566000 199144000 204122600 223696000 231957500 239440000 248930000 255153250 263384000 279620000 296905600 326596160 329230000 371132000 398288000 408245200 463915000 497860000 510306500 526768000 559240000 637883125 653192320 658460000 742264000 816490400 927830000 995720000 1020613000 1118480000 1275766250 1316920000 1484528000 1632980800 1855660000 1991440000 2041226000 2551532500 2633840000 3265961600 3711320000 4082452000 5103065000 7422640000 8164904000 10206130000 16329808000 20412260000 40824520000 81649040000
- Sum of all divisors σ(n): 237685916160
- Sum of proper divisors (its aliquot sum) s(n): 156036876160
- 81649040000 is an abundant number, because the sum of its proper divisors (156036876160) is greater than itself. Its abundance is 74387836160
Bases of 81649040000
- Binary: 10011000000101010100101111010100000002
- Hexadecimal: 0x1302A97A80
- Base-36: 11IBQAGW
Squares and roots of 81649040000
- 81649040000 squared (816490400002) is 6666565732921600000000
- 81649040000 cubed (816490400003) is 544318692189945035264000000000000
-
The
square root of 81649040000 is 285742.9614181249 -
The
cube root of 81649040000 is 4338.2744951017
Scales and comparisons
How big is 81649040000?- 81,649,040,000 seconds is equal to 2,596 years, 9 weeks, 5 days, 53 minutes, 20 seconds.
-
To count from 1 to 81,649,040,000 would take you about five thousand, one hundred ninety-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 81649040000 cubic inches would be around 361.5 feet tall.
Recreational maths with 81649040000
- 81649040000 backwards is 00004094618
- 81649040000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81649040000's digits is 32
- More coming soon!
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The information we have on file for 81649040000 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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