18209886440808

Names of 18209886440808

• Cardinal: 18209886440808 can be written as Eighteen trillion, two hundred nine billion, eight hundred eighty-six million, four hundred forty thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8209886440808 × 10¹³

Factors of 18209886440808

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 35677

Divisors of 18209886440808

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 19 24 38 57 76 114 139 152 228 278 361 417 431 456 556 722 834 862 1083 1112 1293 1444 1668 1724 2166 2586 2641 2888 3336 3448 4332 5172 5282 7923 8189 8664 10344 10564 15846 16378 21128 24567 31692 32756 35083 49134 50179 59909 63384 65512 70166 98268 100358 105249 119818 140332 150537 155591 179727 196536 200716 210498 239636 280664 301074 311182 359454 401432 420996 466773 479272 602148 622364 666577 718908 841992 933546 1138271 1204296 1244728 1333154 1437816 1867092 1999731 2276542 2666308 3414813 3734184 3999462 4553084 4876537 5332616 6829626 7998924 9106168 9753074 12664963 13659252 14629611 15120773 15997848 19506148 21627149 25329926 27318504 29259222 30241546 37994889 39012296 43254298 45362319 50659852 58518444 60483092 64881447 75989778 86508596 90724638 92654203 101319704 117036888 120966184 129762894 151979556 173017192 181449276 185308406 259525788 277962609 287294687 303959112 362898552 370616812 519051576 555925218 574589374 741233624 861884061 1111850436 1149178748 1723768122 1760429857 2101787447 2223700872 2298357496 3447536244 3520859714 4203574894 5281289571 5458599053 6305362341 6895072488 7041719428 8407149788 10562579142 10917198106 12610724682 14083438856 16375797159 16814299576 21125158284 21834396212 25221449364 32751594318 39933961493 42250316568 43668792424 50442898728 65503188636 79867922986 119801884479 131006377272 159735845972 239603768958 319471691944 479207537916 758745268367 958415075832 1517490536734 2276235805101 3034981073468 4552471610202 6069962146936 9104943220404 18209886440808
• Sum of all divisors σ(n): 48506184115200
• Sum of proper divisors (its aliquot sum) s(n): 30296297674392
• 18209886440808 is an abundant number, because the sum of its proper divisors (30296297674392) is greater than itself. Its abundance is 12086411233584

Bases of 18209886440808

• Binary: 100001000111111010001110100000000110101101000₂
• Hexadecimal: 0x108FD1D00D68
• Base-36: 6GDI87Z3C

Squares and roots of 18209886440808

• 18209886440808 squared (18209886440808²) is 331599964187123050087692864
• 18209886440808 cubed (18209886440808³) is 6038397691623510423466514519509219994112
• The square root of 18209886440808 is 4267304.3529619493
• The cube root of 18209886440808 is 26308.8831769735

Scales and comparisons

• 18,209,886,440,808 seconds is equal to 579,018 years, 3 weeks, 1 day, 13 hours, 6 minutes, 48 seconds.
• To count from 1 to 18,209,886,440,808 would take you about one million, four hundred forty-seven thousand, five hundred forty-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 18209886440808 cubic inches would be around 2192.4 feet tall.

Recreational maths with 18209886440808

• 18209886440808 backwards is 80804468890281
• The number of decimal digits it has is: 14
• The sum of 18209886440808's digits is 66
• More coming soon!