997170535645921

Names of 997170535645921

• Cardinal: 997170535645921 can be written as Nine hundred ninety-seven trillion, one hundred seventy billion, five hundred thirty-five million, six hundred forty-five thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 9.97170535645921 × 10¹⁴

Factors of 997170535645921

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 42346873

Divisors of 997170535645921

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 13 17 91 119 221 1547 15227 106589 197951 258859 1385657 1812013 3365167 23556169 42331609 296321263 550310917 719637353 3852176419 5037461471 9355285589 65486999123 644583410243 4512083871701 8379584333159 10957917974131 58657090332113 76705425818917 142452933663703 997170535645921
• Sum of all divisors σ(n): 1299565526273280
• Sum of proper divisors (its aliquot sum) s(n): 302394990627359
• 997170535645921 is a deficient number, because the sum of its proper divisors (302394990627359) is less than itself. Its deficiency is 694775545018562

Bases of 997170535645921

• Binary: 11100010101110101111011011100011101100001011100001₂
• Hexadecimal: 0x38AEBDB8EC2E1
• Base-36: 9TGTTIQRC1

Squares and roots of 997170535645921

• 997170535645921 squared (997170535645921²) is 994349077160373003692683938241
• 997170535645921 cubed (997170535645921³) is 991535601891036379160295909199867031007564961
• The square root of 997170535645921 is 31578007.1512741441
• The cube root of 997170535645921 is 99905.5954273425

Scales and comparisons

• 997,170,535,645,921 seconds is equal to 31,706,938 years, 30 weeks, 2 days, 1 hour, 12 minutes, 1 second.
• To count from 1 to 997,170,535,645,921 would take you about seventy-nine million, two hundred sixty-seven thousand, three hundred forty-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 997170535645921 cubic inches would be around 8325.5 feet tall.

Recreational maths with 997170535645921

• 997170535645921 backwards is 129546535071799
• The number of decimal digits it has is: 15
• The sum of 997170535645921's digits is 73
• More coming soon!