8198386209

Names of 8198386209

• Cardinal: 8198386209 can be written as Eight billion, one hundred ninety-eight million, three hundred eighty-six thousand, two hundred nine.

Scientific notation

• Scientific notation: 8.198386209 × 10⁹

Factors of 8198386209

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1175

Divisors of 8198386209

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 19 39 57 117 169 171 247 367 507 741 773 1101 1521 2223 2319 3211 3303 4771 6957 6973 9633 10049 14313 14687 20919 28899 30147 42939 44061 62023 62757 90441 90649 130637 132183 186069 190931 271947 283691 391911 558207 572793 815841 851073 1175733 1178437 1718379 2482103 2553219 3535311 3687983 5390129 7446309 10605933 11063949 16170387 22338927 33191847 47943779 48511161 70071677 143831337 210215031 431494011 630645093 910931801 2732795403 8198386209
• Sum of all divisors σ(n): 13552306560
• Sum of proper divisors (its aliquot sum) s(n): 5353920351
• 8198386209 is a deficient number, because the sum of its proper divisors (5353920351) is less than itself. Its deficiency is 2844465858

Bases of 8198386209

• Binary: 111101000101010010111001000100001₂
• Hexadecimal: 0x1E8A97221
• Base-36: 3RL3VA9

Squares and roots of 8198386209

• 8198386209 squared (8198386209²) is 67213536431921391681
• 8198386209 cubed (8198386209³) is 551042530141583404929597727329
• The square root of 8198386209 is 90544.9402727729
• The cube root of 8198386209 is 2016.3973796511

Scales and comparisons

• 8,198,386,209 seconds is equal to 260 years, 35 weeks, 3 days, 17 hours, 30 minutes, 9 seconds.
• To count from 1 to 8,198,386,209 would take you about five hundred twenty-one 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 8198386209 cubic inches would be around 168 feet tall.

Recreational maths with 8198386209

• 8198386209 backwards is 9026838918
• The number of decimal digits it has is: 10
• The sum of 8198386209's digits is 54
• More coming soon!