842168793127271762881

Names of 842168793127271762881

• Cardinal: 842168793127271762881 can be written as Eight hundred forty-two quintillion, one hundred sixty-eight quadrillion, seven hundred ninety-three trillion, one hundred twenty-seven billion, two hundred seventy-one million, seven hundred sixty-two thousand, eight hundred eighty-one.

Scientific notation

• Scientific notation: 8.42168793127271762881 × 10²⁰

Factors of 842168793127271762881

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 170353

Divisors of 842168793127271762881

• Number of divisors d(n): 3
• Complete list of divisors:
  1 170353 29020144609
• Sum of all divisors σ(n): 842168793127271933235
• Sum of proper divisors (its aliquot sum) s(n): 170354
• 842168793127271762881 is a deficient number, because the sum of its proper divisors (170354) is less than itself. Its deficiency is 842168793127271592527

Bases of 842168793127271762881

• Binary: 1011011010011101110000100101110101100100000110011101111000101111000001₂
• Hexadecimal: 0x2DA770975906778BC1
• Base-36: 4XQEJ5PABDD9S1

Squares and roots of 842168793127271762881

• 842168793127271762881 squared (842168793127271762881²) is 709248276117445462873146046892837489420161
• 842168793127271762881 cubed (842168793127271762881³) is 597306764725427050132981252682702681472754979006423076972843841
• 842168793127271762881 is a perfect square number. Its square root is 29020144609
• The cube root of 842168793127271762881 is 9443501.3805996015

Scales and comparisons

• 842,168,793,127,271,762,881 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 842,168,793,127,271,762,881 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 842168793127271762881 cubic inches would be around 786958.4 feet tall.

Recreational maths with 842168793127271762881

• 842168793127271762881 backwards is 188267172721397861248
• The number of decimal digits it has is: 21
• The sum of 842168793127271762881's digits is 100
• More coming soon!