18184265381023830729

Names of 18184265381023830729

• Cardinal: 18184265381023830729 can be written as Eighteen quintillion, one hundred eighty-four quadrillion, two hundred sixty-five trillion, three hundred eighty-one billion, twenty-three million, eight hundred thirty thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.8184265381023830729 × 10¹⁹

Factors of 18184265381023830729

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 118777

Divisors of 18184265381023830729

• Number of divisors d(n): 30
• Complete list of divisors:
  1 3 9 27 81 4133 12399 37197 111591 114641 334773 343923 1031769 3095307 9285921 473811253 1421433759 4264301277 12792903831 13142558881 38378711493 39427676643 118283029929 354849089787 1064547269361 54318195855173 162954587565519 488863762696557 1466591288089671 4399773864269013
• Sum of all divisors σ(n): 18186439756453195638
• Sum of proper divisors (its aliquot sum) s(n): 2174375429364909
• 18184265381023830729 is a deficient number, because the sum of its proper divisors (2174375429364909) is less than itself. Its deficiency is 18182091005594465820

Bases of 18184265381023830729

• Binary: 1111110001011011011111010000010100001001010110111101001011001001₂
• Hexadecimal: 0xFC5B7D05095BD2C9
• Base-36: 3U5LK3JE2Q7K9

Squares and roots of 18184265381023830729

• 18184265381023830729 squared (18184265381023830729²) is 330667507447501763761717953401644671441
• 18184265381023830729 cubed (18184265381023830729³) is 6012945708307046045467735009386925908469644906340404510489
• 18184265381023830729 is a perfect square number. Its square root is 4264301277
• The cube root of 18184265381023830729 is 2629653.8640028233

Scales and comparisons

• 18,184,265,381,023,830,729 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,184,265,381,023,830,729 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18184265381023830729 cubic inches would be around 219137.8 feet tall.

Recreational maths with 18184265381023830729

• 18184265381023830729 backwards is 92703832018356248181
• 18184265381023830729 is a Harshad number.
• The number of decimal digits it has is: 20
• The sum of 18184265381023830729's digits is 81
• More coming soon!