6821108100

Names of 6821108100

• Cardinal: 6821108100 can be written as Six billion, eight hundred twenty-one million, one hundred eight thousand, one hundred.

Scientific notation

• Scientific notation: 6.8211081 × 10⁹

Factors of 6821108100

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2763

Divisors of 6821108100

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 2753 5506 8259 11012 13765 16518 24777 27530 33036 41295 49554 55060 68825 82590 99108 123885 137650 165180 206475 247770 275300 412950 495540 619425 825900 1238850 2477700 7579009 15158018 22737027 30316036 37895045 45474054 68211081 75790090 90948108 113685135 136422162 151580180 189475225 227370270 272844324 341055405 378950450 454740540 568425675 682110810 757900900 1136851350 1364221620 1705277025 2273702700 3410554050 6821108100
• Sum of all divisors σ(n): 21388153423
• Sum of proper divisors (its aliquot sum) s(n): 14567045323
• 6821108100 is an abundant number, because the sum of its proper divisors (14567045323) is greater than itself. Its abundance is 7745937223

Bases of 6821108100

• Binary: 110010110100100011101100110000100₂
• Hexadecimal: 0x19691D984
• Base-36: 34T40P0

Squares and roots of 6821108100

• 6821108100 squared (6821108100²) is 46527515711885610000
• 6821108100 cubed (6821108100³) is 317369214295220200644441000000
• 6821108100 is a perfect square number. Its square root is 82590
• The cube root of 6821108100 is 1896.4947468429

Scales and comparisons

• 6,821,108,100 seconds is equal to 216 years, 46 weeks, 2 days, 15 minutes.
• To count from 1 to 6,821,108,100 would take you about four hundred thirty-three 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 6821108100 cubic inches would be around 158 feet tall.

Recreational maths with 6821108100

• 6821108100 backwards is 0018011286
• The number of decimal digits it has is: 10
• The sum of 6821108100's digits is 27
• More coming soon!