8021198904

Names of 8021198904

• Cardinal: 8021198904 can be written as Eight billion, twenty-one million, one hundred ninety-eight thousand, nine hundred four.

Scientific notation

• Scientific notation: 8.021198904 × 10⁹

Factors of 8021198904

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8836

Divisors of 8021198904

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 24 61 122 183 244 366 488 677 732 1354 1464 2031 2708 4062 5416 8093 8124 16186 16248 24279 32372 41297 48558 64744 82594 97116 123891 165188 194232 247782 330376 493673 495564 987346 991128 1481019 1974692 2962038 3949384 5478961 5924076 10957922 11848152 16436883 21915844 32873766 43831688 65747532 131495064 334216621 668433242 1002649863 1336866484 2005299726 2673732968 4010599452 8021198904
• Sum of all divisors σ(n): 20414363040
• Sum of proper divisors (its aliquot sum) s(n): 12393164136
• 8021198904 is an abundant number, because the sum of its proper divisors (12393164136) is greater than itself. Its abundance is 4371965232

Bases of 8021198904

• Binary: 111011110000110011100100000111000₂
• Hexadecimal: 0x1DE19C838
• Base-36: 3ONM4OO

Squares and roots of 8021198904

• 8021198904 squared (8021198904²) is 64339631857530801216
• 8021198904 cubed (8021198904³) is 516080984539389546860021067264
• The square root of 8021198904 is 89561.1461739967
• The cube root of 8021198904 is 2001.7650172323

Scales and comparisons

• 8,021,198,904 seconds is equal to 255 years, 2 weeks, 3 days, 22 hours, 48 minutes, 24 seconds.
• To count from 1 to 8,021,198,904 would take you about five hundred ten 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 8021198904 cubic inches would be around 166.8 feet tall.

Recreational maths with 8021198904

• 8021198904 backwards is 4098911208
• The number of decimal digits it has is: 10
• The sum of 8021198904's digits is 42
• More coming soon!