40721867346271161

Names of 40721867346271161

• Cardinal: 40721867346271161 can be written as Forty quadrillion, seven hundred twenty-one trillion, eight hundred sixty-seven billion, three hundred forty-six million, two hundred seventy-one thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 4.0721867346271161 × 10¹⁶

Factors of 40721867346271161

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 3957781761

Divisors of 40721867346271161

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 23 41 69 123 943 2829 3637 10911 83651 149117 250953 447351 3429691 10289073 3957778057 11873334171 91028895311 162268900337 273086685933 486806701011 3732184707751 11196554123253 14394438793309 43183316379927 331072092246107 590171990525669 993216276738321 1770515971577007 13573955782090387 40721867346271161
• Sum of all divisors σ(n): 58054334990416128
• Sum of proper divisors (its aliquot sum) s(n): 17332467644144967
• 40721867346271161 is a deficient number, because the sum of its proper divisors (17332467644144967) is less than itself. Its deficiency is 23389399702126194

Bases of 40721867346271161

• Binary: 10010000101011000101001010010101110000111101101110111001₂
• Hexadecimal: 0x90AC5295C3DBB9
• Base-36: B4YP3LMIG1L

Squares and roots of 40721867346271161

• 40721867346271161 squared (40721867346271161²) is 1658270480167305448258890940287921
• 40721867346271161 cubed (40721867346271161³) is 67527870517610394631934270248141255134387078946281
• The square root of 40721867346271161 is 201796598.9462437917
• The cube root of 40721867346271161 is 344040.2291667563

Scales and comparisons

• 40,721,867,346,271,161 seconds is equal to 1,294,829,420 years, 31 weeks, 3 days, 8 hours, 39 minutes, 21 seconds.
• To count from 1 to 40,721,867,346,271,161 would take you about three billion, eight hundred eighty-four million, four hundred eighty-eight thousand, two hundred sixty-one 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 40721867346271161 cubic inches would be around 28670 feet tall.

Recreational maths with 40721867346271161

• 40721867346271161 backwards is 16117264376812704
• The number of decimal digits it has is: 17
• The sum of 40721867346271161's digits is 66
• More coming soon!