18128330162768

Names of 18128330162768

• Cardinal: 18128330162768 can be written as Eighteen trillion, one hundred twenty-eight billion, three hundred thirty million, one hundred sixty-two thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8128330162768 × 10¹³

Factors of 18128330162768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4374597093

Divisors of 18128330162768

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 7 8 14 16 28 37 56 74 112 148 259 296 518 592 1036 2072 4144 4374597047 8749194094 17498388188 30622179329 34996776376 61244358658 69993552752 122488717316 161860090739 244977434632 323720181478 489954869264 647440362956 1133020635173 1294880725912 2266041270346 2589761451824 4532082540692 9064165081384 18128330162768
• Sum of all divisors σ(n): 41226202580352
• Sum of proper divisors (its aliquot sum) s(n): 23097872417584
• 18128330162768 is an abundant number, because the sum of its proper divisors (23097872417584) is greater than itself. Its abundance is 4969542254816

Bases of 18128330162768

• Binary: 100000111110011010100101011100000001001010000₂
• Hexadecimal: 0x107CD4AE0250
• Base-36: 6FC1FPW7K

Squares and roots of 18128330162768

• 18128330162768 squared (18128330162768²) is 328636354490324061373421824
• 18128330162768 cubed (18128330162768³) is 5957628337689058539198710876303043448832
• The square root of 18128330162768 is 4257737.6813007161
• The cube root of 18128330162768 is 26269.5480274163

Scales and comparisons

• 18,128,330,162,768 seconds is equal to 576,424 years, 42 weeks, 6 days, 3 hours, 26 minutes, 8 seconds.
• To count from 1 to 18,128,330,162,768 would take you about one million, four hundred forty-one thousand and sixty-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 18128330162768 cubic inches would be around 2189.1 feet tall.

Recreational maths with 18128330162768

• 18128330162768 backwards is 86726103382181
• 18128330162768 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18128330162768's digits is 56
• More coming soon!