997805612805

Names of 997805612805

• Cardinal: 997805612805 can be written as Nine hundred ninety-seven billion, eight hundred five million, six hundred twelve thousand, eight hundred five.

Scientific notation

• Scientific notation: 9.97805612805 × 10¹¹

Factors of 997805612805

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 35214

Divisors of 997805612805

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 15 37 79 111 185 237 395 555 661 1185 1983 2923 3305 8769 9915 14615 24457 34429 43845 52219 73371 103287 122285 156657 172145 261095 366855 516435 783285 1273873 1932103 2719891 3821619 5796309 6369365 8159673 9660515 13599455 19108095 22757569 28981545 40798365 68272707 100635967 113787845 301907901 341363535 503179835 842030053 1509539505 1797847951 2526090159 4210150265 5393543853 8989239755 12630450795 26967719265 66520374187 199561122561 332601870935 997805612805
• Sum of all divisors σ(n): 1662952473600
• Sum of proper divisors (its aliquot sum) s(n): 665146860795
• 997805612805 is a deficient number, because the sum of its proper divisors (665146860795) is less than itself. Its deficiency is 332658752010

Bases of 997805612805

• Binary: 1110100001010001110110010101111100000101₂
• Hexadecimal: 0xE851D95F05
• Base-36: CQDVP69X

Squares and roots of 997805612805

• 997805612805 squared (997805612805²) is 995616040945161579968025
• 997805612805 cubed (997805612805³) is 993431273853774921699737197430560125
• The square root of 997805612805 is 998902.2038242783
• The cube root of 997805612805 is 9992.6800191121

Scales and comparisons

• 997,805,612,805 seconds is equal to 31,727 years, 6 weeks, 6 days, 1 hour, 46 minutes, 45 seconds.
• To count from 1 to 997,805,612,805 would take you about sixty-three thousand, four hundred fifty-four 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 997805612805 cubic inches would be around 832.7 feet tall.

Recreational maths with 997805612805

• 997805612805 backwards is 508216508799
• The number of decimal digits it has is: 12
• The sum of 997805612805's digits is 60
• More coming soon!