18815343491152

Names of 18815343491152

• Cardinal: 18815343491152 can be written as Eighteen trillion, eight hundred fifteen billion, three hundred forty-three million, four hundred ninety-one thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 1.8815343491152 × 10¹³

Factors of 18815343491152

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 82

Divisors of 18815343491152

• Number of divisors d(n): 70
• Complete list of divisors:
  1 2 4 8 13 16 26 52 67 104 134 208 268 536 871 1072 1742 3484 4489 6968 8978 13936 17956 35912 58357 71824 116714 233428 300763 466856 601526 933712 1203052 2406104 3909919 4812208 7819838 15639676 20151121 31279352 40302242 62558704 80604484 161208968 261964573 322417936 523929146 1047858292 1350125107 2095716584 2700250214 4191433168 5400500428 10801000856 17551626391 21602001712 35103252782 70206505564 90458382169 140413011128 180916764338 280826022256 361833528676 723667057352 1175958968197 1447334114704 2351917936394 4703835872788 9407671745576 18815343491152
• Sum of all divisors σ(n): 39853770253178
• Sum of proper divisors (its aliquot sum) s(n): 21038426762026
• 18815343491152 is an abundant number, because the sum of its proper divisors (21038426762026) is greater than itself. Its abundance is 2223083270874

Bases of 18815343491152

• Binary: 100010001110011001001110111010111100001010000₂
• Hexadecimal: 0x111CC9DD7850
• Base-36: 6O3NDPT1S

Squares and roots of 18815343491152

• 18815343491152 squared (18815343491152²) is 354017150690035931502287104
• 18815343491152 cubed (18815343491152³) is 6660954291991944329252564975447987703808
• The square root of 18815343491152 is 4337665.6730495033
• The cube root of 18815343491152 is 26597.2897021613
• Being both a perfect square and a perfect cube, 18815343491152 is also a perfect sixth number.

Scales and comparisons

• 18,815,343,491,152 seconds is equal to 598,269 years, 37 weeks, 4 days, 7 hours, 5 minutes, 52 seconds.
• To count from 1 to 18,815,343,491,152 would take you about one million, four hundred ninety-five thousand, six hundred seventy-four 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 18815343491152 cubic inches would be around 2216.4 feet tall.

Recreational maths with 18815343491152

• 18815343491152 backwards is 25119434351881
• The number of decimal digits it has is: 14
• The sum of 18815343491152's digits is 55
• More coming soon!