18106849895101920

Names of 18106849895101920

• Cardinal: 18106849895101920 can be written as Eighteen quadrillion, one hundred six trillion, eight hundred forty-nine billion, eight hundred ninety-five million, one hundred one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.810684989510192 × 10¹⁶

Factors of 18106849895101920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 11502

Divisors of 18106849895101920

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 181 216 240 270 288 360 362 432 480 540 543 720 724 864 905 1080 1086 1440 1448 1629 1810 2160 2172 2715 2896 3258 3620 4320 4344 4887 5430 5792 6516 7240 8145 8688 9774 10860 11311 13032 14480 16290 17376 19548 21720 22622 24435 26064 28960 32580 32761 33933 39096 43440 45244 48870 52128 56555 65160 65522 67866 78192 86880 90488 97740 98283 101799 113110 130320 131044 135732 156384 163805 169665 180976 195480 196566 203598 226220 260640 262088 271464 294849 305397 327610 339330 361952 390960 393132 407196 452440 491415 508995 524176 542928 589698 610794 655220 678660 781920 786264 814392 884547 904880 982830 1017990 1048352 1085856 1179396 1221588 1310440 1357320 1474245 1526985 1572528 1628784 1769094 1809760 1965660 2035980 2047291 2358792 2443176 2620880 2714640 2948490 3053970 3145056 3257568 3538188 3931320 4071960 4094582 4422735 4717584 4886352 5241760 5429280 5896980 6107940 6141873 7076376 7862640 8143920 8189164 8845470 9435168 9772704 10236455 11793960 12215880 12283746 14152752 15725280 16287840 16378328 17690940 18425619 20472910 23587920 24431760 24567492 28305504 30709365 32756656 35381880 36851238 40945820 47175840 48863520 49134984 55276857 61418730 65513312 70763760 73702476 81891640 92128095 98269968 110553714 122837460 127938721 141527520 147404952 163783280 184256190 196539936 221107428 245674920 255877442 276384285 294809904 327566560 368512380 370559671 383816163 442214856 491349840 511754884 552768570 589619808 639693605 737024760 741119342 767632326 884429712 982699680 1023509768 1105537140 1111679013 1151448489 1279387210 1474049520 1482238684 1535264652 1768859424 1852798355 1919080815 2047019536 2211074280 2223358026 2302896978 2558774420 2948099040 2964477368 3070529304 3335037039 3454345467 3705596710 3838161630 4094039072 4422148560 4446716052 4605793956 5117548840 5558395065 5757242445 5928954736 6141058608 6670074078 6908690934 7411193420 7676323260 8844297120 8893432104 9211587912 10005111117 10235097680 11116790130 11514484890 11857909472 12282117216 13340148156 13817381868 14822386840 15352646520 16675185195 17271727335 17786864208 18423175824 20010222234 20470195360 22233580260 23028969780 23156908501 26680296312 27634763736 29644773680 30705293040 33350370390 34543454670 35573728416 36846351648 40020444468 44467160520 46057939560 46313817002 50025555585 53360592624 55269527472 59289547360 61410586080 66700740780 69086909340 69470725503 80040888936 88934321040 92115879120 92627634004 100051111170 106721185248 110539054944 115784542505 133401481560 138173818680 138941451006 160081777872 177868642080 184231758240 185255268008 200102222340 208412176509 231569085010 266802963120 276347637360 277882902012 320163555744 347353627515 370510536016 400204444680 416824353018 463138170020 533605926240 552695274720 555765804024 625236529527 694707255030 741021072032 800408889360 833648706036 926276340040 1042060882545 1111531608048 1250473059054 1389414510060 1600817778720 1667297412072 1852552680080 2084121765090 2223063216096 2500946118108 2778829020120 3126182647635 3334594824144 3705105360160 4168243530180 4191400438681 5001892236216 5557658040240 6252365295270 6669189648288 8336487060360 8382800877362 10003784472432 11115316080480 12504730590540 12574201316043 16672974120720 16765601754724 20007568944864 20957002193405 25009461181080 25148402632086 33345948241440 33531203509448 37722603948129 41914004386810 50018922362160 50296805264172 62871006580215 67062407018896 75445207896258 83828008773620 100037844724320 100593610528344 113167811844387 125742013160430 134124814037792 150890415792516 167656017547240 188613019740645 201187221056688 226335623688774 251484026320860 301780831585032 335312035094480 377226039481290 402374442113376 452671247377548 502968052641720 565839059221935 603561663170064 670624070188960 754452078962580 905342494755096 1005936105283440 1131678118443870 1207123326340128 1508904157925160 1810684989510192 2011872210566880 2263356236887740 3017808315850320 3621369979020384 4526712473775480 6035616631700640 9053424947550960 18106849895101920
• Sum of all divisors σ(n): 63731676009239280
• Sum of proper divisors (its aliquot sum) s(n): 45624826114137360
• 18106849895101920 is an abundant number, because the sum of its proper divisors (45624826114137360) is greater than itself. Its abundance is 27517976219035440

Bases of 18106849895101920

• Binary: 1000000010101000001010110000011111111111011010111100000₂
• Hexadecimal: 0x40541583FFB5E0
• Base-36: 4YACC0AJ7C0

Squares and roots of 18106849895101920

• 18106849895101920 squared (18106849895101920²) is 327858013123752411307607187686400
• 18106849895101920 cubed (18106849895101920³) is 5936475830538140259388716864821208457496997888000
• The square root of 18106849895101920 is 134561695.4972770845
• The cube root of 18106849895101920 is 262591.6832640835

Scales and comparisons

• 18,106,849,895,101,920 seconds is equal to 575,741,818 years, 26 weeks, 1 hour, 12 minutes.
• To count from 1 to 18,106,849,895,101,920 would take you about one billion, seven hundred twenty-seven million, two hundred twenty-five thousand, four hundred fifty-five 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 18106849895101920 cubic inches would be around 21882.6 feet tall.

Recreational maths with 18106849895101920

• 18106849895101920 backwards is 02910159894860181
• 18106849895101920 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18106849895101920's digits is 72
• More coming soon!