18166004439380

Names of 18166004439380

• Cardinal: 18166004439380 can be written as Eighteen trillion, one hundred sixty-six billion, four million, four hundred thirty-nine thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.816600443938 × 10¹³

Factors of 18166004439380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 129487

Divisors of 18166004439380

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 70 139 140 278 556 695 973 1390 1946 2780 3892 4865 7673 9730 15346 19460 30692 38365 53711 76730 107422 121661 153460 214844 243322 268555 486644 537110 608305 851627 1066547 1074220 1216610 1703254 2133094 2433220 3406508 4258135 4266188 5332735 7465829 8516270 10665470 14931658 16910879 17032540 21330940 29863316 33821758 37329145 67643516 74658290 84554395 118376153 149316580 169108790 236752306 338217580 473504612 591880765 933504853 1183761530 1867009706 2367523060 3734019412 4667524265 6534533971 9335048530 13069067942 18670097060 26138135884 32672669855 65345339710 129757174567 130690679420 259514349134 519028698268 648785872835 908300221969 1297571745670 1816600443938 2595143491340 3633200887876 4541501109845 9083002219690 18166004439380
• Sum of all divisors σ(n): 43918152203520
• Sum of proper divisors (its aliquot sum) s(n): 25752147764140
• 18166004439380 is an abundant number, because the sum of its proper divisors (25752147764140) is greater than itself. Its abundance is 7586143324760

Bases of 18166004439380

• Binary: 100001000010110011010001111011101100101010100₂
• Hexadecimal: 0x10859A3DD954
• Base-36: 6FTCI0E38

Squares and roots of 18166004439380

• 18166004439380 squared (18166004439380²) is 330003717291573868094784400
• 18166004439380 cubed (18166004439380³) is 5994848993330633357677051953023969672000
• The square root of 18166004439380 is 4262159.5980652811
• The cube root of 18166004439380 is 26287.7332180755

Scales and comparisons

• 18,166,004,439,380 seconds is equal to 577,622 years, 39 weeks, 16 minutes, 20 seconds.
• To count from 1 to 18,166,004,439,380 would take you about one million, four hundred forty-four thousand and fifty-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 18166004439380 cubic inches would be around 2190.6 feet tall.

Recreational maths with 18166004439380

• 18166004439380 backwards is 08393440066181
• The number of decimal digits it has is: 14
• The sum of 18166004439380's digits is 53
• More coming soon!