990685130472801

Names of 990685130472801

• Cardinal: 990685130472801 can be written as Nine hundred ninety trillion, six hundred eighty-five billion, one hundred thirty million, four hundred seventy-two thousand, eight hundred one.

Scientific notation

• Scientific notation: 9.90685130472801 × 10¹⁴

Factors of 990685130472801

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4523

Divisors of 990685130472801

• Number of divisors d(n): 45
• Complete list of divisors:
  1 3 9 27 81 991 2973 3529 8919 10587 26757 31761 80271 95283 285849 982081 2946243 3497239 8838729 10491717 12453841 26516187 31475151 37361523 79548561 94425453 112084569 283276359 336253707 1008761121 3465763849 10397291547 12341756431 31191874641 37025269293 93575623923 111075807879 280726871769 333227423637 999682270911 12230680623121 36692041869363 110076125608089 330228376824267 990685130472801
• Sum of all divisors σ(n): 1481827114811043
• Sum of proper divisors (its aliquot sum) s(n): 491141984338242
• 990685130472801 is a deficient number, because the sum of its proper divisors (491141984338242) is less than itself. Its deficiency is 499543146134559

Bases of 990685130472801

• Binary: 11100001010000010111011011010010010011110101100001₂
• Hexadecimal: 0x38505DB493D61
• Base-36: 9R62GRY929

Squares and roots of 990685130472801

• 990685130472801 squared (990685130472801²) is 981457027739910740521800785601
• 990685130472801 cubed (990685130472801³) is 972314883579960942334694017146676746362938401
• 990685130472801 is a perfect square number. Its square root is 31475151
• The cube root of 990685130472801 is 99688.5352533857

Scales and comparisons

• 990,685,130,472,801 seconds is equal to 31,500,722 years, 39 weeks, 3 days, 4 hours, 13 minutes, 21 seconds.
• To count from 1 to 990,685,130,472,801 would take you about seventy-eight million, seven hundred fifty-one thousand, eight hundred six 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 990685130472801 cubic inches would be around 8307.4 feet tall.

Recreational maths with 990685130472801

• 990685130472801 backwards is 108274031586099
• The number of decimal digits it has is: 15
• The sum of 990685130472801's digits is 63
• More coming soon!