16281828989

Names of 16281828989

• Cardinal: 16281828989 can be written as Sixteen billion, two hundred eighty-one million, eight hundred twenty-eight thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 1.6281828989 × 10¹⁰

Factors of 16281828989

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 456066

Divisors of 16281828989

• Number of divisors d(n): 4
• Complete list of divisors:
  1 39043 417023 16281828989
• Sum of all divisors σ(n): 16282285056
• Sum of proper divisors (its aliquot sum) s(n): 456067
• 16281828989 is a deficient number, because the sum of its proper divisors (456067) is less than itself. Its deficiency is 16281372922

Bases of 16281828989

• Binary: 1111001010011110001111111001111101₂
• Hexadecimal: 0x3CA78FE7D
• Base-36: 7H9S3NH

Squares and roots of 16281828989

• 16281828989 squared (16281828989²) is 265097955227040762121
• 16281828989 cubed (16281828989³) is 4316279572340256357386350925669
• The square root of 16281828989 is 127600.2703327859
• The cube root of 16281828989 is 2534.5511663561

Scales and comparisons

• 16,281,828,989 seconds is equal to 517 years, 37 weeks, 2 hours, 16 minutes, 29 seconds.
• To count from 1 to 16,281,828,989 would take you about one thousand and thirty-five 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 16281828989 cubic inches would be around 211.2 feet tall.

Recreational maths with 16281828989

• 16281828989 backwards is 98982818261
• The number of decimal digits it has is: 11
• The sum of 16281828989's digits is 62
• More coming soon!