1018021090

Names of 1018021090

• Cardinal: 1018021090 can be written as One billion, eighteen million, twenty-one thousand and ninety.

Scientific notation

• Scientific notation: 1.01802109 × 10⁹

Factors of 1018021090

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3283977

Divisors of 1018021090

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 10 31 62 155 310 3283939 6567878 16419695 32839390 101802109 203604218 509010545 1018021090
• Sum of all divisors σ(n): 1891549440
• Sum of proper divisors (its aliquot sum) s(n): 873528350
• 1018021090 is a deficient number, because the sum of its proper divisors (873528350) is less than itself. Its deficiency is 144492740

Bases of 1018021090

• Binary: 111100101011011100010011100010₂
• Hexadecimal: 0x3CADC4E2
• Base-36: GU3Q3M

Squares and roots of 1018021090

• 1018021090 squared (1018021090²) is 1036366939684788100
• 1018021090 cubed (1018021090³) is 1055043401577872237981029000
• The square root of 1018021090 is 31906.4427663129
• The cube root of 1018021090 is 1005.9713025737

Scales and comparisons

• 1,018,021,090 seconds is equal to 32 years, 19 weeks, 1 day, 15 hours, 38 minutes, 10 seconds.
• To count from 1 to 1,018,021,090 would take you about sixty-four 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 1018021090 cubic inches would be around 83.8 feet tall.

Recreational maths with 1018021090

• 1018021090 backwards is 0901208101
• The number of decimal digits it has is: 10
• The sum of 1018021090's digits is 22
• More coming soon!