998042021

Names of 998042021

• Cardinal: 998042021 can be written as Nine hundred ninety-eight million, forty-two thousand and twenty-one.

Scientific notation

• Scientific notation: 9.98042021 × 10⁸

Factors of 998042021

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10289190

Divisors of 998042021

• Number of divisors d(n): 4
• Complete list of divisors:
  1 97 10289093 998042021
• Sum of all divisors σ(n): 1008331212
• Sum of proper divisors (its aliquot sum) s(n): 10289191
• 998042021 is a deficient number, because the sum of its proper divisors (10289191) is less than itself. Its deficiency is 987752830

Bases of 998042021

• Binary: 111011011111001110100110100101₂
• Hexadecimal: 0x3B7CE9A5
• Base-36: GI7I5H

Squares and roots of 998042021

• 998042021 squared (998042021²) is 996087875681764441
• 998042021 cubed (998042021³) is 994137556539024935541575261
• The square root of 998042021 is 31591.8030666185
• The cube root of 998042021 is 999.3469139047

Scales and comparisons

• 998,042,021 seconds is equal to 31 years, 38 weeks, 1 day, 9 hours, 53 minutes, 41 seconds.
• To count from 1 to 998,042,021 would take you about forty-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 998042021 cubic inches would be around 83.3 feet tall.

Recreational maths with 998042021

• 998042021 backwards is 120240899
• The number of decimal digits it has is: 9
• The sum of 998042021's digits is 35
• More coming soon!