997994198213256009727616869

Names of 997994198213256009727616869

• Cardinal: 997994198213256009727616869 can be written as Nine hundred ninety-seven septillion, nine hundred ninety-four sextillion, one hundred ninety-eight quintillion, two hundred thirteen quadrillion, two hundred fifty-six trillion, nine billion, seven hundred twenty-seven million, six hundred sixteen thousand, eight hundred sixty-nine.

Scientific notation

• Scientific notation: 9.97994198213256009727616869 × 10²⁶

Factors of 997994198213256009727616869

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 9406431833258772724373

Divisors of 997994198213256009727616869

• Number of divisors d(n): 12
• Complete list of divisors:
  1 17 79 1343 6241 106097 9406431833258772724277 159909341165399136312709 743108114827443045217883 12632837952066531768704011 58705541071368000572212757 997994198213256009727616869
• Sum of all divisors σ(n): 1070245001124516643022902284
• Sum of proper divisors (its aliquot sum) s(n): 72250802911260633295285415
• 997994198213256009727616869 is a deficient number, because the sum of its proper divisors (72250802911260633295285415) is less than itself. Its deficiency is 925743395301995376432331454

Bases of 997994198213256009727616869

• Binary: 110011100110000101011111011110010000111011110001011110011111100111101000000010011101100101₂
• Hexadecimal: 0x339857DE43BC5E7E7A02765
• Base-36: 3HEATZIOCZCTNUXCH1

Squares and roots of 997994198213256009727616869

• 997994198213256009727616869 squared (997994198213256009727616869²) is 995992419667319724839064516942797544657457950053363161
• 997994198213256009727616869 cubed (997994198213256009727616869³) is 993994656292367544737549469848810913442864469957794781123188673859470935126762909
• The square root of 997994198213256009727616869 is 31591046171553.9900181977
• The cube root of 997994198213256009727616869 is 999330951.8788579079

Scales and comparisons

• 997,994,198,213,256,009,727,616,869 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 997,994,198,213,256,009,727,616,869 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 997994198213256009727616869 cubic inches would be around 83277579.3 feet tall.

Recreational maths with 997994198213256009727616869

• 997994198213256009727616869 backwards is 968616727900652312891499799
• The number of decimal digits it has is: 27
• The sum of 997994198213256009727616869's digits is 145
• More coming soon!