18085994168320

Names of 18085994168320

• Cardinal: 18085994168320 can be written as Eighteen trillion, eighty-five billion, nine hundred ninety-four million, one hundred sixty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.808599416832 × 10¹³

Factors of 18085994168320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 98

Divisors of 18085994168320

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 31 32 40 47 52 62 64 65 80 94 104 124 128 130 155 160 188 208 235 248 256 260 310 320 376 403 416 470 496 512 520 611 620 640 752 806 832 940 961 992 1024 1040 1222 1240 1280 1457 1504 1612 1664 1880 1922 1984 2015 2048 2080 2209 2444 2480 2560 2914 3008 3055 3224 3328 3760 3844 3968 4030 4096 4160 4418 4805 4888 4960 5120 5828 6016 6110 6448 6656 7285 7520 7688 7936 8060 8192 8320 8836 9610 9776 9920 10240 11045 11656 12032 12220 12493 12896 13312 14570 15040 15376 15872 16120 16384 16640 17672 18941 19220 19552 19840 20480 22090 23312 24064 24440 24986 25792 26624 28717 29140 30080 30752 31744 32240 32768 33280 35344 37882 38440 39104 39680 40960 44180 45167 46624 48128 48880 49972 51584 53248 57434 58280 60160 61504 62465 63488 64480 65536 66560 68479 70688 75764 76880 78208 79360 81920 88360 90334 93248 94705 96256 97760 99944 103168 106496 114868 116560 120320 123008 124930 126976 128960 131072 133120 136958 141376 143585 151528 153760 156416 158720 163840 176720 180668 186496 189410 192512 195520 199888 206336 212992 225835 229736 233120 240640 246016 249860 253952 257920 266240 273916 282752 287170 303056 307520 312832 317440 327680 342395 353440 361336 372992 378820 385024 391040 399776 412672 425984 451670 459472 466240 481280 492032 499720 507904 515840 532480 547832 565504 574340 587171 606112 615040 625664 634880 655360 684790 706880 722672 745984 757640 770048 782080 799552 825344 851968 890227 903340 918944 932480 962560 984064 999440 1015808 1031680 1064960 1095664 1131008 1148680 1174342 1212224 1230080 1251328 1269760 1369580 1413760 1445344 1491968 1515280 1540096 1564160 1599104 1650688 1703936 1780454 1806680 1837888 1864960 1925120 1968128 1998880 2031616 2063360 2122849 2129920 2191328 2262016 2297360 2348684 2424448 2460160 2502656 2539520 2739160 2827520 2890688 2935855 2983936 3030560 3080192 3128320 3198208 3301376 3560908 3613360 3675776 3729920 3850240 3936256 3997760 4063232 4126720 4245698 4259840 4382656 4451135 4524032 4594720 4697368 4848896 4920320 5005312 5079040 5478320 5655040 5781376 5871710 5967872 6061120 6160384 6256640 6396416 6602752 7121816 7226720 7351552 7459840 7700480 7872512 7995520 8253440 8491396 8519680 8765312 8902270 9048064 9189440 9394736 9697792 9840640 10010624 10158080 10614245 10956640 11310080 11562752 11743420 11935744 12122240 12513280 12792832 13205504 14243632 14453440 14703104 14919680 15400960 15745024 15991040 16506880 16982792 17530624 17804540 18096128 18378880 18789472 19395584 19681280 20021248 20316160 21228490 21913280 22620160 23125504 23486840 23871488 24244480 25026560 25585664 26411008 27597037 28487264 28906880 29406208 29839360 30801920 31490048 31982080 33013760 33965584 35061248 35609080 36192256 36757760 37578944 38791168 39362560 40042496 42456980 43826560 45240320 46251008 46973680 47742976 48488960 50053120 51171328 52822016 55194074 56974528 57813760 58812416 59678720 62980096 63964160 66027520 67931168 70122496 71218160 72384512 73515520 75157888 77582336 78725120 80084992 84913960 87653120 90480640 92502016 93947360 95485952 96977920 100106240 102342656 110388148 113949056 115627520 117624832 119357440 125960192 127928320 132055040 135862336 137985185 140244992 142436320 144769024 147031040 150315776 155164672 157450240 169827920 175306240 180961280 185004032 187894720 190971904 193955840 200212480 204685312 220776296 227898112 231255040 235249664 238714880 255856640 264110080 271724672 275970370 280489984 284872640 289538048 294062080 300631552 310329344 314900480 339655840 350612480 361922560 370008064 375789440 387911680 400424960 409370624 441552592 455796224 462510080 470499328 477429760 511713280 543449344 551940740 560979968 569745280 588124160 601263104 620658688 629800960 679311680 701224960 723845120 740016128 751578880 775823360 818741248 883105184 911592448 925020160 940998656 954859520 1023426560 1086898688 1103881480 1121959936 1139490560 1176248320 1202526208 1241317376 1358623360 1402449920 1447690240 1480032256 1503157760 1551646720 1637482496 1766210368 1823184896 1850040320 1881997312 2046853120 2173797376 2207762960 2243919872 2278981120 2352496640 2405052416 2482634752 2717246720 2804899840 2960064512 3006315520 3103293440 3532420736 3646369792 3700080640 3763994624 4093706240 4347594752 4415525920 4487839744 4557962240 4704993280 4810104832 5434493440 5609799680 5920129024 6012631040 6206586880 7064841472 7292739584 7400161280 8187412480 8695189504 8831051840 8975679488 9115924480 9409986560 9620209664 10868986880 11219599360 12025262080 12413173760 14129682944 14585479168 14800322560 17390379008 17662103680 18231848960 18819973120 19240419328 21737973760 22439198720 24050524160 28259365888 29170958336 29600645120 34780758016 35324207360 36463697920 38480838656 43475947520 44878397440 48101048320 56518731776 58341916672 69561516032 70648414720 72927395840 76961677312 86951895040 96202096640 113037463552 116683833344 139123032064 141296829440 145854791680 173903790080 192404193280 226074927104 278246064128 282593658880 291709583360 347807580160 384808386560 452149854208 565187317760 583419166720 695615160320 904299708416 1130374635520 1391230320640 1808599416832 2260749271040 3617198833664 4521498542080 9042997084160 18085994168320
• Sum of all divisors σ(n): 49351272914412
• Sum of proper divisors (its aliquot sum) s(n): 31265278746092
• 18085994168320 is an abundant number, because the sum of its proper divisors (31265278746092) is greater than itself. Its abundance is 13179284577772

Bases of 18085994168320

• Binary: 100000111001011111001010000100000000000000000₂
• Hexadecimal: 0x1072F9420000
• Base-36: 6ESL9YLTS

Squares and roots of 18085994168320

• 18085994168320 squared (18085994168320²) is 327103185056505048491622400
• 18085994168320 cubed (18085994168320³) is 5915986297370848076700121538775482368000
• The square root of 18085994168320 is 4252763.1215857767
• The cube root of 18085994168320 is 26249.0825588085

Scales and comparisons

• 18,085,994,168,320 seconds is equal to 575,078 years, 34 weeks, 6 days, 4 hours, 58 minutes, 40 seconds.
• To count from 1 to 18,085,994,168,320 would take you about one million, four hundred thirty-seven thousand, six hundred ninety-six 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 18085994168320 cubic inches would be around 2187.4 feet tall.

Recreational maths with 18085994168320

• 18085994168320 backwards is 02386149958081
• 18085994168320 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18085994168320's digits is 64
• More coming soon!