1222121018

Names of 1222121018

• Cardinal: 1222121018 can be written as One billion, two hundred twenty-two million, one hundred twenty-one thousand and eighteen.

Scientific notation

• Scientific notation: 1.222121018 × 10⁹

Factors of 1222121018

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 689796

Divisors of 1222121018

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 887 1774 688907 1377814 611060509 1222121018
• Sum of all divisors σ(n): 1835250912
• Sum of proper divisors (its aliquot sum) s(n): 613129894
• 1222121018 is a deficient number, because the sum of its proper divisors (613129894) is less than itself. Its deficiency is 608991124

Bases of 1222121018

• Binary: 1001000110110000001011000111010₂
• Hexadecimal: 0x48D8163A
• Base-36: K7MAM2

Squares and roots of 1222121018

• 1222121018 squared (1222121018²) is 1493579782637356324
• 1222121018 cubed (1222121018³) is 1825335244420984635515617832
• The square root of 1222121018 is 34958.8474924445
• The cube root of 1222121018 is 1069.1485986371

Scales and comparisons

• 1,222,121,018 seconds is equal to 38 years, 44 weeks, 4 days, 22 hours, 3 minutes, 38 seconds.
• To count from 1 to 1,222,121,018 would take you about seventy-seven 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 1222121018 cubic inches would be around 89.1 feet tall.

Recreational maths with 1222121018

• 1222121018 backwards is 8101212221
• The number of decimal digits it has is: 10
• The sum of 1222121018's digits is 20
• More coming soon!