9989899

Names of 9989899

• Cardinal: 9989899 can be written as Nine million, nine hundred eighty-nine thousand, eight hundred ninety-nine.

Scientific notation

• Scientific notation: 9.989899 × 10⁶

Factors of 9989899

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 9989899

Divisors of 9989899

• Number of divisors d(n): 2
• Complete list of divisors:
  1 9989899
• Sum of all divisors σ(n): 9989900
• Sum of proper divisors (its aliquot sum) s(n): 1
• 9989899 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 9989898

Bases of 9989899

• Binary: 100110000110111100001011₂
• Hexadecimal: 0x986F0B
• Base-36: 5Y497

Squares and roots of 9989899

• 9989899 squared (9989899²) is 99798082030201
• 9989899 cubed (9989899³) is 996972759875422939699
• The square root of 9989899 is 3160.6801483225
• The cube root of 9989899 is 215.3709047493

Scales and comparisons

• 9,989,899 seconds is equal to 16 weeks, 3 days, 14 hours, 58 minutes, 19 seconds.
• To count from 1 to 9,989,899 would take you about twenty-four weeks!

  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 9989899 cubic inches would be around 17.9 feet tall.

Recreational maths with 9989899

• 9989899 is the same when its digits are reversed! That makes it a palindromic prime number.
• The number of decimal digits it has is: 7
• The sum of 9989899's digits is 61
• More coming soon!