842122407879798423551

Names of 842122407879798423551

• Cardinal: 842122407879798423551 can be written as Eight hundred forty-two quintillion, one hundred twenty-two quadrillion, four hundred seven trillion, eight hundred seventy-nine billion, seven hundred ninety-eight million, four hundred twenty-three thousand, five hundred fifty-one.

Scientific notation

• Scientific notation: 8.42122407879798423551 × 10²⁰

Factors of 842122407879798423551

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 37385474

Divisors of 842122407879798423551

• Number of divisors d(n): 16
• Complete list of divisors:
  1 241 13249 3193009 9443327 27928657 2275841807 6730806337 125114639423 370026776593 30152628100943 89176453158913 263739440721839 63561205213963199 3494283850123644911 842122407879798423551
• Sum of all divisors σ(n): 845680636507846656000
• Sum of proper divisors (its aliquot sum) s(n): 3558228628048232449
• 842122407879798423551 is a deficient number, because the sum of its proper divisors (3558228628048232449) is less than itself. Its deficiency is 838564179251750191102

Bases of 842122407879798423551

• Binary: 1011011010011011001011110011000011010111111111111111111111111111111111₂
• Hexadecimal: 0x2DA6CBCC35FFFFFFFF
• Base-36: 4XQ1UFI5SVCANZ

Squares and roots of 842122407879798423551

• 842122407879798423551 squared (842122407879798423551²) is 709170149853269582005192480596824791449601
• 842122407879798423551 cubed (842122407879798423551³) is 597208074190912857088429590469687951858216620443120303867953151
• The square root of 842122407879798423551 is 29019345407.5001220305
• The cube root of 842122407879798423551 is 9443327.9999999989

Scales and comparisons

• 842,122,407,879,798,423,551 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 842,122,407,879,798,423,551 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 842122407879798423551 cubic inches would be around 786944 feet tall.

Recreational maths with 842122407879798423551

• 842122407879798423551 backwards is 155324897978704221248
• The number of decimal digits it has is: 21
• The sum of 842122407879798423551's digits is 98
• More coming soon!