18449378450568

Names of 18449378450568

• Cardinal: 18449378450568 can be written as Eighteen trillion, four hundred forty-nine billion, three hundred seventy-eight million, four hundred fifty thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8449378450568 × 10¹³

Factors of 18449378450568

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2190097175

Divisors of 18449378450568

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 81 104 108 117 156 162 216 234 312 324 351 468 648 702 936 1053 1404 2106 2808 4212 8424 2190097157 4380194314 6570291471 8760388628 13140582942 17520777256 19710874413 26281165884 28471263041 39421748826 52562331768 56942526082 59132623239 78843497652 85413789123 113885052164 118265246478 157686995304 170827578246 177397869717 227770104328 236530492956 256241367369 341655156492 354795739434 473060985912 512482734738 683310312984 709591478868 768724102107 1024965469476 1419182957736 1537448204214 2049930938952 2306172306321 3074896408428 4612344612642 6149792816856 9224689225284 18449378450568
• Sum of all divisors σ(n): 55650368784780
• Sum of proper divisors (its aliquot sum) s(n): 37200990334212
• 18449378450568 is an abundant number, because the sum of its proper divisors (37200990334212) is greater than itself. Its abundance is 18751611883644

Bases of 18449378450568

• Binary: 100001100011110010100101001100001110010001000₂
• Hexadecimal: 0x10C794A61C88
• Base-36: 6JFIZKWI0

Squares and roots of 18449378450568

• 18449378450568 squared (18449378450568²) is 340379565212282896419522624
• 18449378450568 cubed (18449378450568³) is 6279791415441197337546499543679341650432
• The square root of 18449378450568 is 4295273.9668812745
• The cube root of 18449378450568 is 26423.7172322963

Scales and comparisons

• 18,449,378,450,568 seconds is equal to 586,633 years, 8 weeks, 4 days, 19 hours, 22 minutes, 48 seconds.
• To count from 1 to 18,449,378,450,568 would take you about one million, four hundred sixty-six thousand, five hundred eighty-two 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 18449378450568 cubic inches would be around 2202 feet tall.

Recreational maths with 18449378450568

• 18449378450568 backwards is 86505487394481
• 18449378450568 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18449378450568's digits is 72
• More coming soon!