18168579330272009340

Names of 18168579330272009340

• Cardinal: 18168579330272009340 can be written as Eighteen quintillion, one hundred sixty-eight quadrillion, five hundred seventy-nine trillion, three hundred thirty billion, two hundred seventy-two million, nine thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.816857933027200934 × 10¹⁹

Factors of 18168579330272009340

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 42329364

Divisors of 18168579330272009340

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 169 195 260 338 390 507 676 780 845 1014 1690 2028 2535 3380 5070 10140 42329341 84658682 126988023 169317364 211646705 253976046 423293410 507952092 550281433 634940115 846586820 1100562866 1269880230 1650844299 2201125732 2539760460 2751407165 3301688598 5502814330 6603377196 7153658629 8254221495 11005628660 14307317258 16508442990 21460975887 28614634516 33016885980 35768293145 42921951774 71536586290 85843903548 107304879435 143073172580 214609758870 429219517740 1791773109494281 3583546218988562 5375319328482843 7167092437977124 8958865547471405 10750638656965686 17917731094942810 21501277313931372 23293050423425653 26876596642414215 35835462189885620 46586100846851306 53753193284828430 69879151270276959 93172201693702612 107506386569656860 116465252117128265 139758302540553918 232930504234256530 279516605081107836 302809655504533489 349395756351384795 465861008468513060 605619311009066978 698791512702769590 908428966513600467 1211238622018133956 1397583025405539180 1514048277522667445 1816857933027200934 3028096555045334890 3633715866054401868 4542144832568002335 6056193110090669780 9084289665136004670 18168579330272009340
• Sum of all divisors σ(n): 55086273779665465512
• Sum of proper divisors (its aliquot sum) s(n): 36917694449393456172
• 18168579330272009340 is an abundant number, because the sum of its proper divisors (36917694449393456172) is greater than itself. Its abundance is 18749115119121446832

Bases of 18168579330272009340

• Binary: 1111110000100011110000101010001110111110010111100001110001111100₂
• Hexadecimal: 0xFC23C2A3BE5E1C7C
• Base-36: 3U1B3UV5MX75O

Squares and roots of 18168579330272009340

• 18168579330272009340 squared (18168579330272009340²) is 330097274880387295444655873481047235600
• 18168579330272009340 cubed (18168579330272009340³) is 5997398525370922380286390589069135802148503309064380504000
• The square root of 18168579330272009340 is 4262461651.4723049577
• The cube root of 18168579330272009340 is 2628897.5187147089

Scales and comparisons

• 18,168,579,330,272,009,340 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,168,579,330,272,009,340 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18168579330272009340 cubic inches would be around 219074.8 feet tall.

Recreational maths with 18168579330272009340

• 18168579330272009340 backwards is 04390027203397586181
• 18168579330272009340 is a Harshad number.
• The number of decimal digits it has is: 20
• The sum of 18168579330272009340's digits is 78
• More coming soon!