18181317591040

Names of 18181317591040

• Cardinal: 18181317591040 can be written as Eighteen trillion, one hundred eighty-one billion, three hundred seventeen million, five hundred ninety-one thousand and forty.

Scientific notation

• Scientific notation: 1.818131759104 × 10¹³

Factors of 18181317591040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 161

Divisors of 18181317591040

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 31 32 37 38 40 62 64 67 74 76 80 95 124 128 134 148 152 155 160 185 190 248 256 268 296 304 310 320 335 361 370 380 496 512 536 589 592 608 620 640 670 703 722 740 760 992 1024 1072 1147 1178 1184 1216 1240 1273 1280 1340 1406 1444 1480 1520 1805 1984 2048 2077 2144 2294 2356 2368 2432 2479 2480 2546 2560 2680 2812 2888 2945 2960 3040 3515 3610 3968 4096 4154 4288 4588 4712 4736 4864 4958 4960 5092 5120 5360 5624 5735 5776 5890 5920 6080 6365 7030 7220 7936 8192 8308 8576 9176 9424 9472 9728 9916 9920 10184 10240 10385 10720 11191 11248 11470 11552 11780 11840 12160 12395 12730 13357 14060 14440 15872 16384 16616 17152 18352 18848 18944 19456 19832 19840 20368 20480 20770 21440 21793 22382 22496 22940 23104 23560 23680 24187 24320 24790 25460 26714 28120 28880 31744 32768 33232 34304 36704 37696 37888 38912 39463 39664 39680 40736 40960 41540 42880 43586 44764 44992 45880 46208 47101 47120 47360 48374 48640 49580 50920 53428 55955 56240 57760 63488 65536 66464 66785 68608 73408 75392 75776 76849 77824 78926 79328 79360 81472 81920 83080 85760 87172 89528 89984 91760 92416 94202 94240 94720 96748 97280 99160 101840 106856 108965 111910 112480 115520 120935 126976 131072 132928 133570 137216 146816 150784 151552 153698 155648 157852 158656 158720 162944 163840 166160 171520 174344 179056 179968 183520 184832 188404 188480 189440 193496 194560 197315 198320 203680 213712 217930 223820 224960 231040 235505 241870 253952 265856 267140 274432 293632 301568 303104 307396 311296 315704 317312 317440 325888 327680 332320 343040 348688 358112 359936 367040 369664 376808 376960 378880 384245 386992 389120 394630 396640 407360 414067 427424 435860 447640 449920 462080 471010 483740 507904 531712 534280 548864 587264 603136 606208 614792 622592 631408 634624 634880 651776 655360 664640 686080 697376 716224 719872 734080 739328 749797 753616 753920 757760 768490 773984 778240 789260 793280 814720 828134 854848 871720 894919 895280 899840 924160 942020 967480 1015808 1063424 1068560 1097728 1174528 1206272 1212416 1229584 1245184 1262816 1269248 1269760 1303552 1329280 1372160 1394752 1432448 1439744 1460131 1468160 1478656 1499594 1507232 1507840 1515520 1536980 1547968 1556480 1578520 1586560 1629440 1656268 1709696 1743440 1789838 1790560 1799680 1848320 1884040 1934960 2031616 2070335 2126848 2137120 2195456 2349056 2412544 2424832 2459168 2490368 2525632 2538496 2539520 2607104 2658560 2744320 2789504 2864896 2879488 2920262 2936320 2957312 2999188 3014464 3015680 3031040 3073960 3095936 3112960 3157040 3173120 3258880 3312536 3419392 3486880 3579676 3581120 3599360 3696640 3748985 3768080 3869920 4063232 4140670 4253696 4274240 4390912 4474595 4698112 4825088 4849664 4918336 5051264 5076992 5079040 5214208 5317120 5488640 5579008 5729792 5758976 5840524 5872640 5914624 5998376 6028928 6031360 6062080 6147920 6191872 6225920 6314080 6346240 6517760 6625072 6838784 6973760 7159352 7162240 7198720 7300655 7393280 7497970 7536160 7739840 8281340 8507392 8548480 8781824 8949190 9396224 9650176 9836672 10102528 10153984 10158080 10428416 10634240 10977280 11158016 11459584 11517952 11681048 11745280 11829248 11996752 12057856 12062720 12124160 12295840 12383744 12451840 12628160 12692480 13035520 13250144 13677568 13947520 14318704 14324480 14397440 14601310 14786560 14995940 15072320 15479680 16562680 17014784 17096960 17898380 18792448 19300352 19673344 20205056 20307968 20316160 20856832 21268480 21954560 22316032 22919168 23035904 23362096 23490560 23658496 23993504 24115712 24125440 24248320 24591680 24767488 25256320 25384960 26071040 26500288 27355136 27742489 27895040 28637408 28648960 28794880 29202620 29573120 29991880 30144640 30959360 33125360 34029568 34193920 35796760 37584896 38600704 39346688 40410112 40615936 41713664 42536960 43909120 44632064 45838336 46071808 46724192 46981120 47316992 47987008 48231424 48250880 49183360 49534976 50512640 50769920 52142080 53000576 54710272 55484978 55790080 57274816 57297920 57589760 58405240 59146240 59983760 60289280 61918720 66250720 68059136 68387840 71593520 75169792 77201408 78693376 80820224 81231872 83427328 85073920 89264128 91676672 92143616 93448384 93962240 95974016 96462848 96501760 98366720 99069952 101025280 101539840 104284160 106001152 109420544 110969956 111580160 114549632 114595840 115179520 116810480 118292480 119967520 120578560 123837440 132501440 136118272 136775680 138712445 143187040 150339584 157386752 161640448 162463744 166854656 170147840 178528256 183353344 186896768 187924480 191948032 192925696 193003520 196733440 198139904 202050560 203079680 208568320 212002304 218841088 221939912 223160320 229099264 229191680 230359040 233620960 236584960 239935040 241157120 247674880 265002880 272236544 273551360 277424890 286374080 314773504 323280896 324927488 340295680 357056512 366706688 373793536 375848960 383896064 385851392 386007040 393466880 396279808 404101120 406159360 417136640 424004608 437682176 443879824 446320640 458198528 458383360 460718080 467241920 479870080 482314240 495349760 530005760 547102720 554849780 572748160 629547008 646561792 680591360 714113024 733413376 747587072 751697920 767792128 771702784 786933760 792559616 808202240 812318720 834273280 848009216 875364352 887759648 892641280 916397056 916766720 934483840 959740160 964628480 990699520 1060011520 1094205440 1109699560 1145496320 1259094016 1293123584 1361182720 1428226048 1466826752 1495174144 1535584256 1543405568 1573867520 1585119232 1616404480 1624637440 1696018432 1750728704 1775519296 1785282560 1832794112 1833533440 1868967680 1919480320 1929256960 1981399040 2120023040 2188410880 2219399120 2290992640 2518188032 2586247168 2856452096 2990348288 3071168512 3086811136 3147735040 3170238464 3232808960 3392036864 3551038592 3570565120 3665588224 3667066880 3737935360 3838960640 3858513920 3962798080 4240046080 4376821760 4438798240 4581985280 5036376064 5172494336 5980696576 6142337024 6173622272 6295470080 6465617920 6784073728 7102077184 7141130240 7331176448 7334133760 7475870720 7677921280 7717027840 7925596160 8480092160 8753643520 8877596480 9163970560 10072752128 11961393152 12284674048 12590940160 12931235840 13568147456 14204154368 14282260480 14662352896 14951741440 15355842560 15434055680 15851192320 16960184320 17755192960 18327941120 23922786304 24569348096 25181880320 25862471680 27136294912 28408308736 29324705792 29903482880 30711685120 30868111360 33920368640 35510385920 36655882240 47845572608 49138696192 50363760640 54272589824 56816617472 58649411584 59806965760 61423370240 67840737280 71020771840 73311764480 95691145216 98277392384 113633234944 117298823168 119613931520 122846740480 135681474560 142041543680 146623528960 191382290432 227266469888 239227863040 245693480960 271362949120 284083087360 293247057920 454532939776 478455726080 491386961920 568166174720 586494115840 909065879552 956911452160 1136332349440 1818131759104 2272664698880 3636263518208 4545329397760 9090658795520 18181317591040
• Sum of all divisors σ(n): 49551519757824
• Sum of proper divisors (its aliquot sum) s(n): 31370202166784
• 18181317591040 is an abundant number, because the sum of its proper divisors (31370202166784) is greater than itself. Its abundance is 13188884575744

Bases of 18181317591040

• Binary: 100001000100100101010111110100000000000000000₂
• Hexadecimal: 0x10892AFA0000
• Base-36: 6G0DR2DJ4

Squares and roots of 18181317591040

• 18181317591040 squared (18181317591040²) is 330560309346260548688281600
• 18181317591040 cubed (18181317591040³) is 6010021967216791036309416651589156864000
• The square root of 18181317591040 is 4263955.6272362873
• The cube root of 18181317591040 is 26295.1176154845

Scales and comparisons

• 18,181,317,591,040 seconds is equal to 578,109 years, 34 weeks, 2 days, 13 hours, 30 minutes, 40 seconds.
• To count from 1 to 18,181,317,591,040 would take you about one million, four hundred forty-five thousand, two hundred seventy-four 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 18181317591040 cubic inches would be around 2191.3 feet tall.

Recreational maths with 18181317591040

• 18181317591040 backwards is 04019571318181
• The number of decimal digits it has is: 14
• The sum of 18181317591040's digits is 49
• More coming soon!