18968317778426000

Names of 18968317778426000

• Cardinal: 18968317778426000 can be written as Eighteen quadrillion, nine hundred sixty-eight trillion, three hundred seventeen billion, seven hundred seventy-eight million, four hundred twenty-six thousand.

Scientific notation

• Scientific notation: 1.8968317778426 × 10¹⁶

Factors of 18968317778426000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 294811

Divisors of 18968317778426000

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 25 29 38 40 50 58 76 80 95 100 116 125 145 152 190 200 232 250 290 304 380 400 464 475 500 551 580 725 760 950 1000 1102 1160 1450 1520 1900 2000 2204 2320 2375 2755 2900 3625 3800 4408 4750 5510 5800 7250 7600 8816 9500 11020 11600 13775 14500 19000 22040 27550 29000 38000 44080 55100 58000 68875 80239 110200 137750 160478 214517 220400 275500 320956 401195 429034 551000 641912 802390 858068 1072585 1102000 1283824 1524541 1604780 1716136 2005975 2145170 2326931 3049082 3209560 3432272 4011950 4075823 4290340 4653862 5362925 6098164 6220993 6419120 7622705 8023900 8151646 8580680 9307724 10029875 10725850 11634655 12196328 12441986 15245410 16047800 16303292 17161360 18615448 20059750 20379115 21451700 23269310 24392656 24883972 26814625 30490820 31104965 32095600 32606584 37230896 38113525 40119500 40758230 42903400 44211689 46538620 49767944 53629250 58173275 60981640 62209930 65213168 76227050 80239000 81516460 85806800 88423378 93077240 99535888 101895575 107258500 116346550 118198867 121963280 124419860 152454100 155524825 160478000 163032920 176846756 186154480 190567625 203791150 214517000 221058445 232693100 236397734 248839720 290866375 304908200 311049650 326065840 353693512 381135250 407582300 429034000 442116890 465386200 472795468 497679440 509477875 581732750 590994335 609816400 622099300 707387024 762270500 777624125 815164600 884233780 930772400 945590936 1018955750 1105292225 1163465500 1181988670 1244198600 1524541000 1555248250 1630329200 1768467560 1891181872 2037911500 2210584450 2326931000 2363977340 2488397200 2954971675 3049082000 3110496500 3536935120 4075823000 4421168900 4653862000 4727954680 5526461125 5909943350 6220993000 8151646000 8842337800 9455909360 11052922250 11819886700 12441986000 14774858375 17212629563 17684675600 22105844500 23639773400 29549716750 34425259126 44211689000 47279546800 59099433500 68850518252 86063147815 88423378000 118198867000 137701036504 172126295630 236397734000 275402073008 327039961697 344252591260 430315739075 499166257327 654079923394 688505182520 860631478150 998332514654 1308159846788 1377010365040 1635199808485 1721262956300 1996665029308 2151578695375 2495831286635 2616319693576 3270399616970 3442525912600 3993330058616 4303157390750 4991662573270 5232639387152 6540799233940 6885051825200 7986660117232 8175999042425 8606314781500 9484158889213 9983325146540 12479156433175 13081598467880 16351998084850 17212629563000 18968317778426 19966650293080 24958312866350 26163196935760 32703996169700 34425259126000 37936635556852 39933300586160 40879995212125 47420794446065 49916625732700 62395782165875 65407992339400 75873271113704 81759990424250 94841588892130 99833251465400 124791564331750 130815984678800 151746542227408 163519980848500 189683177784260 199666502930800 237103972230325 249583128663500 327039961697000 379366355568520 474207944460650 499166257327000 654079923394000 758732711137040 948415888921300 998332514654000 1185519861151625 1896831777842600 2371039722303250 3793663555685200 4742079444606500 9484158889213000 18968317778426000
• Sum of all divisors σ(n): 49945021206912000
• Sum of proper divisors (its aliquot sum) s(n): 30976703428486000
• 18968317778426000 is an abundant number, because the sum of its proper divisors (30976703428486000) is greater than itself. Its abundance is 12008385650060000

Bases of 18968317778426000

• Binary: 1000011011000111001010110100011001010110111100010010000₂
• Hexadecimal: 0x436395A32B7890
• Base-36: 56RPGW1TMKW

Squares and roots of 18968317778426000

• 18968317778426000 squared (18968317778426000²) is 359797079343351864031037476000000
• 18968317778426000 cubed (18968317778426000³) is 6824745336734251284409634793872270292776000000000
• The square root of 18968317778426000 is 137725516.0760924505
• The cube root of 18968317778426000 is 266691.7650018515

Scales and comparisons

• 18,968,317,778,426,000 seconds is equal to 603,133,832 years, 25 weeks, 5 days, 1 hour, 53 minutes, 20 seconds.
• To count from 1 to 18,968,317,778,426,000 would take you about one billion, eight hundred nine million, four hundred one thousand, four hundred ninety-seven 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 18968317778426000 cubic inches would be around 22224.3 feet tall.

Recreational maths with 18968317778426000

• 18968317778426000 backwards is 00062487771386981
• The number of decimal digits it has is: 17
• The sum of 18968317778426000's digits is 77
• More coming soon!