18341616725480421

Names of 18341616725480421

• Cardinal: 18341616725480421 can be written as Eighteen quadrillion, three hundred forty-one trillion, six hundred sixteen billion, seven hundred twenty-five million, four hundred eighty thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.8341616725480421 × 10¹⁶

Factors of 18341616725480421

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 66903842

Divisors of 18341616725480421

• Number of divisors d(n): 24
• Complete list of divisors:
  1 3 9 17 51 153 1842569 5527707 16583121 31323673 65061253 93971019 195183759 281913057 585551277 1106041301 3318123903 9954371709 119879847878957 359639543636871 1078918630910613 2037957413942269 6113872241826807 18341616725480421
• Sum of all divisors σ(n): 28051900059170520
• Sum of proper divisors (its aliquot sum) s(n): 9710283333690099
• 18341616725480421 is a deficient number, because the sum of its proper divisors (9710283333690099) is less than itself. Its deficiency is 8631333391790322

Bases of 18341616725480421

• Binary: 1000001001010011001101001101101100001110101001111100101₂
• Hexadecimal: 0x41299A6D8753E5
• Base-36: 50LK6EFU9R9

Squares and roots of 18341616725480421

• 18341616725480421 squared (18341616725480421²) is 336414904104423121322513254337241
• 18341616725480421 cubed (18341616725480421³) is 6170393231822579053170464285155001456117676658461
• The square root of 18341616725480421 is 135431225.0756095799
• The cube root of 18341616725480421 is 263721.7028580759

Scales and comparisons

• 18,341,616,725,480,421 seconds is equal to 583,206,677 years, 27 weeks, 1 day, 23 hours, 40 minutes, 21 seconds.
• To count from 1 to 18,341,616,725,480,421 would take you about one billion, seven hundred forty-nine million, six hundred twenty thousand and thirty-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 18341616725480421 cubic inches would be around 21976.8 feet tall.

Recreational maths with 18341616725480421

• 18341616725480421 backwards is 12408452761614381
• The number of decimal digits it has is: 17
• The sum of 18341616725480421's digits is 63
• More coming soon!