1998042098

Names of 1998042098

• Cardinal: 1998042098 can be written as One billion, nine hundred ninety-eight million, forty-two thousand and ninety-eight.

Scientific notation

• Scientific notation: 1.998042098 × 10⁹

Factors of 1998042098

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 23162

Divisors of 1998042098

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 13 26 47 71 94 142 611 923 1222 1846 3337 6674 23029 43381 46058 86762 299377 598754 1082363 1635059 2164726 3270118 14070719 21255767 28141438 42511534 76847773 153695546 999021049 1998042098
• Sum of all divisors σ(n): 3342850560
• Sum of proper divisors (its aliquot sum) s(n): 1344808462
• 1998042098 is a deficient number, because the sum of its proper divisors (1344808462) is less than itself. Its deficiency is 653233636

Bases of 1998042098

• Binary: 1110111000101111011001111110010₂
• Hexadecimal: 0x7717B3F2
• Base-36: X1KZ5E

Squares and roots of 1998042098

• 1998042098 squared (1998042098²) is 3992172225380241604
• 1998042098 cubed (1998042098³) is 7976528168776066782203045192
• The square root of 1998042098 is 44699.4641802337
• The cube root of 1998042098 is 1259.5097820047

Scales and comparisons

• 1,998,042,098 seconds is equal to 63 years, 27 weeks, 4 days, 11 hours, 41 minutes, 38 seconds.
• To count from 1 to 1,998,042,098 would take you about one hundred twenty-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 1998042098 cubic inches would be around 105 feet tall.

Recreational maths with 1998042098

• 1998042098 backwards is 8902408991
• The number of decimal digits it has is: 10
• The sum of 1998042098's digits is 50
• More coming soon!