18081997384320

Names of 18081997384320

• Cardinal: 18081997384320 can be written as Eighteen trillion, eighty-one billion, nine hundred ninety-seven million, three hundred eighty-four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.808199738432 × 10¹³

Factors of 18081997384320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 261

Divisors of 18081997384320

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 64 68 72 80 85 90 96 102 107 120 127 128 136 144 153 160 170 180 192 204 214 240 254 255 272 288 306 320 321 340 360 381 384 408 428 480 508 510 535 544 576 612 635 640 642 680 720 762 765 816 856 960 963 1016 1020 1070 1088 1143 1152 1224 1270 1284 1360 1440 1524 1530 1605 1632 1712 1819 1905 1920 1926 2032 2040 2140 2159 2176 2286 2448 2540 2568 2720 2880 3048 3060 3210 3264 3424 3638 3810 3852 4064 4080 4280 4318 4572 4815 4896 5080 5136 5440 5457 5715 5760 6096 6120 6420 6477 6528 6848 7276 7620 7704 8128 8160 8560 8636 9095 9144 9630 9792 10160 10272 10795 10880 10914 11430 11449 12192 12240 12840 12954 13589 13696 14552 15240 15408 16129 16256 16320 16371 17120 17272 18190 18288 19260 19431 19584 20320 20544 21590 21828 22860 22898 24384 24480 25680 25908 27178 27285 29104 30480 30816 32258 32385 32640 32742 34240 34347 34544 36380 36576 38520 38862 40640 40767 41088 43180 43656 45720 45796 48387 48768 48960 51360 51816 54356 54570 57245 58208 60960 61632 64516 64770 65484 67945 68480 68694 69088 72760 73152 77040 77724 80645 81280 81534 81855 86360 87312 91440 91592 96774 97155 97920 102720 103041 103632 108712 109140 114490 116416 121920 122301 123264 129032 129540 130968 135890 137388 138176 145161 145520 146304 154080 155448 161290 163068 163710 171735 172720 174624 182880 183184 193548 194310 194633 203835 205440 206082 207264 217424 218280 228980 231013 232832 241935 243840 244602 258064 259080 261936 271780 274193 274776 276352 290322 291040 308160 310896 322580 326136 327420 343470 345440 349248 365760 366368 387096 388620 389266 407670 412164 414528 434848 436560 457960 462026 483870 489204 515205 516128 518160 523872 543560 548386 549552 580644 582080 583899 611505 616320 621792 645160 652272 654840 686940 690880 693039 698496 725805 731520 732736 774192 777240 778532 815340 822579 824328 829056 869696 873120 915920 924052 967740 973165 978408 1030410 1032256 1036320 1047744 1087120 1096772 1099104 1155065 1161288 1164160 1167798 1223010 1243584 1290320 1304544 1309680 1370965 1373880 1381760 1386078 1451610 1454023 1465472 1548384 1554480 1557064 1630680 1645158 1648656 1725803 1739392 1746240 1751697 1831840 1848104 1935480 1946330 1956816 2060820 2064512 2072640 2079117 2095488 2174240 2193544 2198208 2310130 2322576 2335596 2446020 2467737 2487168 2580640 2609088 2619360 2741930 2747760 2772156 2903220 2908046 2919495 3096768 3108960 3114128 3261360 3290316 3297312 3451606 3465195 3492480 3503394 3663680 3696208 3870960 3892660 3913632 4112895 4121640 4145280 4158234 4348480 4362069 4387088 4396416 4620260 4645152 4671192 4892040 4935474 5161280 5177409 5218176 5238720 5483860 5495520 5544312 5806440 5816092 5838990 6193536 6217920 6228256 6522720 6580632 6594624 6903212 6930390 7006788 7270115 7327360 7392416 7741920 7785320 7827264 8225790 8243280 8316468 8629015 8696960 8724138 8758485 8774176 9240520 9290304 9342384 9784080 9870948 10322560 10354818 10395585 10477440 10967720 10991040 11088624 11612880 11632184 11677980 12338685 12435840 12456512 13045440 13086207 13161264 13189248 13806424 13860780 14013576 14540230 14784832 15483840 15532227 15570640 15654528 16451580 16486560 16632936 17258030 17448276 17516970 17548352 18481040 18580608 18684768 19568160 19741896 20709636 20791170 21810345 21935440 21982080 22177248 23225760 23264368 23355960 24677370 24718391 24913024 25887045 26090880 26172414 26322528 27612848 27721560 28027152 29080460 29338651 29569664 30967680 31064454 31141280 32903160 32973120 33265872 34516060 34896552 35033940 35096704 36962080 37369536 39136320 39483792 41419272 41582340 43620690 43870880 44354496 46451520 46528736 46711920 49354740 49436782 51774090 52344828 52645056 55225696 55443120 56054304 58160920 58677302 62128908 62282560 65431035 65806320 65946240 66531744 69032120 69793104 70067880 73924160 74155173 74739072 77661135 78272640 78967584 82838544 83164680 87241380 87741760 88015953 88708992 92903040 93057472 93423840 98709480 98873564 103548180 104689656 105290112 110451392 110886240 112108608 116321840 117354604 123591955 124257816 124565120 130862070 131612640 133063488 138064240 139586208 140135760 146693255 147848320 148310346 155322270 157935168 165677088 166329360 174482760 175483520 176031906 184660921 186114944 186847680 197418960 197747128 207096360 209379312 220902784 221772480 222465519 224217216 232643680 234709208 247183910 248515632 261724140 263225280 264047859 266126976 276128480 279172416 280271520 293386510 296620692 310644540 315870336 331354176 332658720 348965520 352063812 369321842 370775865 373695360 394837920 395494256 414192720 418758624 440079765 443544960 444931038 465287360 469418416 494367820 497031264 523448280 526450560 528095718 552256960 553982763 558344832 560543040 586773020 593241384 621289080 662708352 665317440 697931040 704127624 738643684 741551730 789675840 790988512 828385440 837517248 880159530 889862076 923304605 930574720 938836832 988735640 994062528 1046896560 1056191436 1104513920 1107965526 1112327595 1121086080 1173546040 1186482768 1242578160 1320239295 1330634880 1395862080 1408255248 1477287368 1483103460 1579351680 1581977024 1656770880 1661948289 1675034496 1760319060 1779724152 1846609210 1877673664 1977471280 1988125056 2093793120 2112382872 2215931052 2224655190 2347092080 2372965536 2485156320 2640478590 2769913815 2791724160 2816510496 2954574736 2966206920 3139235657 3163954048 3313541760 3323896578 3520638120 3559448304 3693218420 3755347328 3954942560 4187586240 4224765744 4431862104 4449310380 4694184160 4745931072 4970312640 5280957180 5539827630 5633020992 5909149472 5932413840 6278471314 6647793156 7041276240 7118896608 7386436840 7909885120 8309741445 8375172480 8449531488 8863724208 8898620760 9388368320 9417706971 9491862144 9940625280 10561914360 11079655260 11266041984 11818298944 11864827680 12556942628 13295586312 14082552480 14237793216 14772873680 15696178285 15819770240 16619482890 16899062976 17727448416 17797241520 18776736640 18835413942 21123828720 22159310520 23636597888 23729655360 25113885256 26591172624 28165104960 28253120913 28475586432 29545747360 31392356570 33238965780 33798125952 35454896832 35594483040 37670827884 42247657440 44318621040 47088534855 47459310720 50227770512 53182345248 56330209920 56506241826 59091494720 62784713140 66477931560 70909793664 71188966080 75341655768 84495314880 88637242080 94177069710 100455541024 106364690496 113012483652 118182989440 125569426280 132955863120 141265604565 142377932160 150683311536 168990629760 177274484160 188354139420 200911082048 212729380992 226024967304 251138852560 265911726240 282531209130 301366623072 354548968320 376708278840 401822164096 452049934608 502277705120 531823452480 565062418260 602733246144 753416557680 904099869216 1004555410240 1063646904960 1130124836520 1205466492288 1506833115360 1808199738432 2009110820480 2260249673040 3013666230720 3616399476864 4520499346080 6027332461440 9040998692160 18081997384320
• Sum of all divisors σ(n): 67265566984980
• Sum of proper divisors (its aliquot sum) s(n): 49183569600660
• 18081997384320 is an abundant number, because the sum of its proper divisors (49183569600660) is greater than itself. Its abundance is 31101572216340

Bases of 18081997384320

• Binary: 100000111001000001011000001111110101010000000₂
• Hexadecimal: 0x10720B07EA80
• Base-36: 6EQR6DNK0

Squares and roots of 18081997384320

• 18081997384320 squared (18081997384320²) is 326958629406555321781862400
• 18081997384320 cubed (18081997384320³) is 5912065081710185562321011838418157568000
• The square root of 18081997384320 is 4252293.1912463421
• The cube root of 18081997384320 is 26247.1488407201

Scales and comparisons

• 18,081,997,384,320 seconds is equal to 574,951 years, 30 weeks, 3 days, 3 hours, 12 minutes.
• To count from 1 to 18,081,997,384,320 would take you about one million, four hundred thirty-seven thousand, three hundred seventy-eight 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 18081997384320 cubic inches would be around 2187.3 feet tall.

Recreational maths with 18081997384320

• 18081997384320 backwards is 02348379918081
• The number of decimal digits it has is: 14
• The sum of 18081997384320's digits is 63
• More coming soon!