1218224129

Names of 1218224129

• Cardinal: 1218224129 can be written as One billion, two hundred eighteen million, two hundred twenty-four thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 1.218224129 × 10⁹

Factors of 1218224129

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 1218224129

Divisors of 1218224129

• Number of divisors d(n): 2
• Complete list of divisors:
  1 1218224129
• Sum of all divisors σ(n): 1218224130
• Sum of proper divisors (its aliquot sum) s(n): 1
• 1218224129 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1218224128

Bases of 1218224129

• Binary: 1001000100111001010000000000001₂
• Hexadecimal: 0x489CA001
• Base-36: K5ARR5

Squares and roots of 1218224129

• 1218224129 squared (1218224129²) is 1484070028477808641
• 1218224129 cubed (1218224129³) is 1807929917817383627510898689
• The square root of 1218224129 is 34903.0676158987
• The cube root of 1218224129 is 1068.0110163709

Scales and comparisons

• 1,218,224,129 seconds is equal to 38 years, 38 weeks, 1 day, 19 hours, 35 minutes, 29 seconds.
• To count from 1 to 1,218,224,129 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 1218224129 cubic inches would be around 89 feet tall.

Recreational maths with 1218224129

• 1218224129 backwards is 9214228121
• The number of decimal digits it has is: 10
• The sum of 1218224129's digits is 32
• More coming soon!