16821538607346142142

Names of 16821538607346142142

• Cardinal: 16821538607346142142 can be written as Sixteen quintillion, eight hundred twenty-one quadrillion, five hundred thirty-eight trillion, six hundred seven billion, three hundred forty-six million, one hundred forty-two thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.6821538607346142142 × 10¹⁹

Factors of 16821538607346142142

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 33244147445348143

Divisors of 16821538607346142142

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 11 22 23 46 253 506 33244147445348107 66488294890696214 365685621898829177 731371243797658354 764615391243006461 1529230782486012922 8410769303673071071 16821538607346142142
• Sum of all divisors σ(n): 28722943392780765312
• Sum of proper divisors (its aliquot sum) s(n): 11901404785434623170
• 16821538607346142142 is a deficient number, because the sum of its proper divisors (11901404785434623170) is less than itself. Its deficiency is 4920133821911518972

Bases of 16821538607346142142

• Binary: 1110100101110010000111000011110100110010011000101100101110111110₂
• Hexadecimal: 0xE9721C3D3262CBBE
• Base-36: 3JSVLRTZ9O3B2

Squares and roots of 16821538607346142142

• 16821538607346142142 squared (16821538607346142142²) is 282964161118436787259445166770468348164
• 16821538607346142142 cubed (16821538607346142142³) is 4759892560749098537212571423462569485869720703924688727288
• The square root of 16821538607346142142 is 4101406905.8490334265
• The cube root of 16821538607346142142 is 2562252.3820775921

Scales and comparisons

• 16,821,538,607,346,142,142 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 16,821,538,607,346,142,142 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 16821538607346142142 cubic inches would be around 213521 feet tall.

Recreational maths with 16821538607346142142

• 16821538607346142142 backwards is 24124164370683512861
• The number of decimal digits it has is: 20
• The sum of 16821538607346142142's digits is 74
• More coming soon!