990659537768665971

Names of 990659537768665971

• Cardinal: 990659537768665971 can be written as Nine hundred ninety quadrillion, six hundred fifty-nine trillion, five hundred thirty-seven billion, seven hundred sixty-eight million, six hundred sixty-five thousand, nine hundred seventy-one.

Scientific notation

• Scientific notation: 9.90659537768665971 × 10¹⁷

Factors of 990659537768665971

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 204305969423

Divisors of 990659537768665971

• Number of divisors d(n): 20
• Complete list of divisors:
  1 3 9 27 81 59863 179589 538767 1616301 4848903 204305909557 612917728671 1838753186013 5516259558039 16548778674117 12230364663810691 36691093991432073 110073281974296219 330219845922888657 990659537768665971
• Sum of all divisors σ(n): 1479898845343393552
• Sum of proper divisors (its aliquot sum) s(n): 489239307574727581
• 990659537768665971 is a deficient number, because the sum of its proper divisors (489239307574727581) is less than itself. Its deficiency is 501420230193938390

Bases of 990659537768665971

• Binary: 110110111111100001111001100111010010000011011101001101110011₂
• Hexadecimal: 0xDBF8799D20DD373
• Base-36: 7IYFHWVW6G6R

Squares and roots of 990659537768665971

• 990659537768665971 squared (990659537768665971²) is 981406319772026919467878228973372841
• 990659537768665971 cubed (990659537768665971³) is 972239531108603775324686103378056946177012584972293611
• The square root of 990659537768665971 is 995318812.1243695105
• The cube root of 990659537768665971 is 996876.7681677459

Scales and comparisons

• 990,659,537,768,665,971 seconds is equal to 31,499,908,989 years, 46 weeks, 4 days, 12 hours, 32 minutes, 51 seconds.
• To count from 1 to 990,659,537,768,665,971 would take you about ninety-four billion, four hundred ninety-nine million, seven hundred twenty-six thousand, nine hundred sixty-nine 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 990659537768665971 cubic inches would be around 83073.1 feet tall.

Recreational maths with 990659537768665971

• 990659537768665971 backwards is 179566867735956099
• The number of decimal digits it has is: 18
• The sum of 990659537768665971's digits is 108
• More coming soon!