997816943997637363648161

Names of 997816943997637363648161

• Cardinal: 997816943997637363648161 can be written as Nine hundred ninety-seven sextillion, eight hundred sixteen quintillion, nine hundred forty-three quadrillion, nine hundred ninety-seven trillion, six hundred thirty-seven billion, three hundred sixty-three million, six hundred forty-eight thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 9.97816943997637363648161 × 10²³

Factors of 997816943997637363648161

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1404933803

Divisors of 997816943997637363648161

• Number of divisors d(n): 45
• Complete list of divisors:
  1 3 9 27 79 81 237 711 2133 6241 6399 18723 56169 168507 505521 1404933721 4214801163 12644403489 37933210467 110989763959 113799631401 332969291877 998907875631 2996723626893 8768191352761 8990170880679 26304574058283 78913722174849 236741166524547 710223499573641 1973838760402905841 5921516281208717523 17764548843626152569 53293646530878457707 155933262071829561439 159880939592635373121 467799786215488684317 1403399358646466052951 4210198075939398158853 12318727703674535353681 12630594227818194476559 36956183111023606061043 110868549333070818183129 332605647999212454549387 997816943997637363648161
• Sum of all divisors σ(n): 1509672812419869819204483
• Sum of proper divisors (its aliquot sum) s(n): 511855868422232455556322
• 997816943997637363648161 is a deficient number, because the sum of its proper divisors (511855868422232455556322) is less than itself. Its deficiency is 485961075575404908091839

Bases of 997816943997637363648161

• Binary: 11010011010010111100001111010001111000010001101100010111101111100100011010100001₂
• Hexadecimal: 0xD34BC3D1E11B17BE46A1
• Base-36: 4IHHTCOICRZUTX29

Squares and roots of 997816943997637363648161

• 997816943997637363648161 squared (997816943997637363648161²) is 995638653728784178831254982530499031098998681921
• 997816943997637363648161 cubed (997816943997637363648161³) is 993465118789577302080356670326937072363447976347052406971300298995597281
• 997816943997637363648161 is a perfect square number. Its square root is 998907875631
• The cube root of 997816943997637363648161 is 99927178.4496783695

Scales and comparisons

• 997,816,943,997,637,363,648,161 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 997,816,943,997,637,363,648,161 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 997816943997637363648161 cubic inches would be around 8327264.9 feet tall.

Recreational maths with 997816943997637363648161

• 997816943997637363648161 backwards is 161846363736799349618799
• The number of decimal digits it has is: 24
• The sum of 997816943997637363648161's digits is 135
• More coming soon!