18120802439040

Names of 18120802439040

• Cardinal: 18120802439040 can be written as Eighteen trillion, one hundred twenty billion, eight hundred two million, four hundred thirty-nine thousand and forty.

Scientific notation

• Scientific notation: 1.812080243904 × 10¹³

Factors of 18120802439040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 16716

Divisors of 18120802439040

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 28 30 32 35 38 40 42 48 56 57 60 64 70 76 80 84 95 96 105 112 114 120 128 133 140 152 160 168 190 192 210 224 227 228 240 266 280 285 304 320 336 361 380 384 399 420 448 454 456 480 532 560 570 608 640 665 672 681 722 760 798 840 896 908 912 960 1064 1083 1120 1135 1140 1216 1330 1344 1362 1444 1520 1589 1596 1680 1805 1816 1824 1920 1995 2128 2166 2240 2270 2280 2432 2527 2660 2688 2724 2888 3040 3178 3192 3360 3405 3610 3632 3648 3990 4256 4313 4332 4480 4540 4560 4767 5054 5320 5415 5448 5776 6080 6356 6384 6720 6810 7220 7264 7296 7581 7945 7980 8512 8626 8664 9080 9120 9534 10108 10640 10830 10896 11552 12160 12635 12712 12768 12939 13440 13620 14440 14528 15162 15890 15960 16453 17024 17252 17328 18160 18240 19068 20216 21280 21565 21660 21792 23104 23835 25270 25424 25536 25878 27240 28880 29056 30191 30324 31780 31920 32906 34504 34656 36320 36480 37905 38136 40432 42560 43130 43320 43584 46208 47670 49359 50540 50848 51072 51756 54480 57760 60382 60648 63560 63840 64695 65812 69008 69312 72640 75810 76272 80864 81947 82265 85120 86260 86640 87168 90573 95340 98718 101080 101696 103512 108960 115171 115520 120764 121296 127120 127680 129390 131624 138016 138624 145280 150955 151620 152544 161728 163894 164530 172520 173280 181146 190680 197436 202160 203392 207024 217920 230342 231040 241528 242592 245841 246795 254240 255360 258780 263248 276032 301910 303240 305088 312607 323456 327788 329060 345040 345513 346560 362292 381360 394872 404320 409735 414048 435840 452865 460684 483056 485184 491682 493590 508480 517560 526496 552064 573629 575855 603820 606480 610176 625214 655576 658120 690080 691026 693120 724584 762720 789744 808640 819470 828096 905730 921368 937821 966112 970368 983364 987180 1016960 1035120 1052992 1147258 1151710 1207640 1212960 1229205 1250428 1311152 1316240 1380160 1382052 1449168 1525440 1563035 1579488 1617280 1638940 1656192 1720887 1727565 1811460 1842736 1875642 1932224 1966728 1974360 2070240 2105984 2188249 2294516 2303420 2415280 2425920 2458410 2500856 2622304 2632480 2760320 2764104 2868145 2898336 3050880 3126070 3158976 3277880 3441774 3455130 3622920 3685472 3734831 3751284 3864448 3933456 3948720 4140480 4376498 4589032 4606840 4689105 4830560 4851840 4916820 5001712 5244608 5264960 5528208 5736290 5796672 5939533 6252140 6317952 6555760 6564747 6883548 6910260 7245840 7370944 7469662 7502568 7866912 7897440 8280960 8604435 8752996 9178064 9213680 9378210 9661120 9833640 10003424 10489216 10529920 10941245 11056416 11204493 11472580 11593344 11879066 12504280 13111520 13129494 13767096 13820520 14491680 14741888 14939324 15005136 15733824 15794880 17208870 17505992 17818599 18356128 18427360 18674155 18756420 19322240 19667280 20006848 21882490 22112832 22408986 22945160 23758132 25008560 26143817 26223040 26258988 27534192 27641040 28983360 29697665 29878648 30010272 31467648 31589760 32823735 34417740 35011984 35637198 36712256 36854720 37348310 37512840 39334560 40013696 41576731 43764980 44225664 44817972 45890320 47516264 50017120 52287634 52446080 52517976 55068384 55282080 56022465 57966720 59395330 59757296 60020544 65647470 68835480 70023968 70961789 71274396 73424512 73709440 74696620 75025680 78431451 78669120 83153462 87529960 89092995 89635944 91780640 95032528 100034240 104575268 105035952 110136768 110564160 112044930 118790660 119514592 120041088 124730193 130719085 131294940 137670960 140047936 141923578 142548792 149393240 150051360 156862902 157338240 166306924 175059920 178185990 179271888 183561280 190065056 200068480 207883655 209150536 210071904 212885367 220273536 221128320 224089860 237581320 239029184 249460386 261438170 262589880 275341920 280095872 283847156 285097584 298786480 300102720 313725804 332613848 350119840 354808945 356371980 358543776 367122560 380130112 392157255 415767310 418301072 420143808 425770734 448179720 475162640 478058368 496732523 498920772 522876340 525179760 550683840 567694312 570195168 597572960 600205440 623650965 627451608 665227696 700239680 709617890 712743960 717087552 760260224 784314510 831534620 836602144 840287616 851541468 896359440 950325280 993465046 997841544 1045752680 1050359520 1064426835 1101367680 1135388624 1140390336 1195145920 1247301930 1254903216 1330455392 1348273991 1400479360 1419235780 1425487920 1434175104 1490197569 1568629020 1663069240 1673204288 1703082936 1792718880 1900650560 1986930092 1995683088 2091505360 2100719040 2128853670 2270777248 2280780672 2390291840 2483662615 2494603860 2509806432 2660910784 2696547982 2838471560 2850975840 2980395138 3137258040 3326138480 3346408576 3406165872 3585437760 3801301120 3973860184 3991366176 4044821973 4183010720 4201438080 4257707340 4541554496 4967325230 4989207720 5019612864 5321821568 5393095964 5676943120 5701951680 5960790276 6274516080 6652276960 6741369955 6812331744 7170875520 7450987845 7947720368 7982732352 8089643946 8366021440 8515414680 9083108992 9437917937 9934650460 9978415440 10039225728 10786191928 11353886240 11403903360 11921580552 12549032160 13304553920 13482739910 13624663488 14901975690 15895440736 15965464704 16179287892 16732042880 17030829360 18875835874 19869300920 19956830880 20224109865 21572383856 22707772480 23843161104 25098064320 26609107840 26965479820 27249326976 28313753811 29803951380 31790881472 32358575784 34061658720 37751671748 39738601840 39913661760 40448219730 43144767712 45415544960 47189589685 47686322208 50196128640 53930959640 56627507622 59607902760 63581762944 64717151568 68123317440 75503343496 79477203680 79827323520 80896439460 86289535424 94379179370 95372644416 107861919280 113255015244 119215805520 129434303136 136246634880 141568769055 151006686992 158954407360 161792878920 172579070848 188758358740 190745288832 215723838560 226510030488 238431611040 258868606272 283137538110 302013373984 317908814720 323585757840 377516717480 431447677120 453020060976 476863222080 517737212544 566275076220 604026747968 647171515680 755033434960 862895354240 906040121952 953726444160 1132550152440 1208053495936 1294343031360 1510066869920 1812080243904 2265100304880 2588686062720 3020133739840 3624160487808 4530200609760 6040267479680 9060401219520 18120802439040
• Sum of all divisors σ(n): 69979804485120
• Sum of proper divisors (its aliquot sum) s(n): 51859002046080
• 18120802439040 is an abundant number, because the sum of its proper divisors (51859002046080) is greater than itself. Its abundance is 33738199607040

Bases of 18120802439040

• Binary: 100000111101100010011111111100000111110000000₂
• Hexadecimal: 0x107B13FE0F80
• Base-36: 6F8KXWNEO

Squares and roots of 18120802439040

• 18120802439040 squared (18120802439040²) is 328363481034718012916121600
• 18120802439040 cubed (18120802439040³) is 5950209768025582951369078512217227264000
• The square root of 18120802439040 is 4256853.5844024515
• The cube root of 18120802439040 is 26265.9114123099

Scales and comparisons

• 18,120,802,439,040 seconds is equal to 576,185 years, 24 weeks, 1 day, 17 hours, 4 minutes.
• To count from 1 to 18,120,802,439,040 would take you about one million, four hundred forty thousand, four hundred sixty-three 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 18120802439040 cubic inches would be around 2188.8 feet tall.

Recreational maths with 18120802439040

• 18120802439040 backwards is 04093420802181
• 18120802439040 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18120802439040's digits is 42
• More coming soon!