181504082018

Names of 181504082018

• Cardinal: 181504082018 can be written as One hundred eighty-one billion, five hundred four million, eighty-two thousand and eighteen.

Scientific notation

• Scientific notation: 1.81504082018 × 10¹¹

Factors of 181504082018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 4980794

Divisors of 181504082018

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 7 14 19 38 133 137 266 274 959 1918 2603 5206 18221 36442 4980629 9961258 34864403 69728806 94631951 189263902 662423657 682346173 1324847314 1364692346 4776423211 9552846422 12964577287 25929154574 90752041009 181504082018
• Sum of all divisors σ(n): 329916931200
• Sum of proper divisors (its aliquot sum) s(n): 148412849182
• 181504082018 is a deficient number, because the sum of its proper divisors (148412849182) is less than itself. Its deficiency is 33091232836

Bases of 181504082018

• Binary: 10101001000010011111001000000001100010₂
• Hexadecimal: 0x2A427C8062
• Base-36: 2BDQUE02

Squares and roots of 181504082018

• 181504082018 squared (181504082018²) is 32943731789196870952324
• 181504082018 cubed (181504082018³) is 5979421796645382751679577063709832
• The square root of 181504082018 is 426032.9588400409
• The cube root of 181504082018 is 5661.8991867985

Scales and comparisons

• 181,504,082,018 seconds is equal to 5,771 years, 13 weeks, 6 days, 16 hours, 33 minutes, 38 seconds.
• To count from 1 to 181,504,082,018 would take you about eleven thousand, five hundred forty-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 181504082018 cubic inches would be around 471.8 feet tall.

Recreational maths with 181504082018

• 181504082018 backwards is 810280405181
• 181504082018 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 181504082018's digits is 38
• More coming soon!