18389468708864

Names of 18389468708864

• Cardinal: 18389468708864 can be written as Eighteen trillion, three hundred eighty-nine billion, four hundred sixty-eight million, seven hundred eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8389468708864 × 10¹³

Factors of 18389468708864

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 398594

Divisors of 18389468708864

• Number of divisors d(n): 92
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 512 704 1024 1408 2048 2816 4096 5632 8192 11264 16384 22528 32768 45056 65536 90112 131072 180224 262144 360448 398581 524288 720896 797162 1048576 1441792 1594324 2097152 2883584 3188648 4194304 4384391 5767168 6377296 8768782 11534336 12754592 17537564 23068672 25509184 35075128 46137344 51018368 70150256 102036736 140300512 204073472 280601024 408146944 561202048 816293888 1122404096 1632587776 2244808192 3265175552 4489616384 6530351104 8979232768 13060702208 17958465536 26121404416 35916931072 52242808832 71833862144 104485617664 143667724288 208971235328 287335448576 417942470656 574670897152 835884941312 1149341794304 1671769882624 2298683588608 4597367177216 9194734354432 18389468708864
• Sum of all divisors σ(n): 40122573063288
• Sum of proper divisors (its aliquot sum) s(n): 21733104354424
• 18389468708864 is an abundant number, because the sum of its proper divisors (21733104354424) is greater than itself. Its abundance is 3343635645560

Bases of 18389468708864

• Binary: 100001011100110100001110000000000000000000000₂
• Hexadecimal: 0x10B9A1C00000
• Base-36: 6IO06V7Y8

Squares and roots of 18389468708864

• 18389468708864 squared (18389468708864²) is 338172559394288191192170496
• 18389468708864 cubed (18389468708864³) is 6218813699177715217179005547982874476544
• The square root of 18389468708864 is 4288294.3822531589
• The cube root of 18389468708864 is 26395.0847468689

Scales and comparisons

• 18,389,468,708,864 seconds is equal to 584,728 years, 11 weeks, 4 days, 27 minutes, 44 seconds.
• To count from 1 to 18,389,468,708,864 would take you about one million, four hundred sixty-one thousand, eight hundred twenty 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 18389468708864 cubic inches would be around 2199.6 feet tall.

Recreational maths with 18389468708864

• 18389468708864 backwards is 46880786498381
• The number of decimal digits it has is: 14
• The sum of 18389468708864's digits is 80
• More coming soon!