16420542621040820

Names of 16420542621040820

• Cardinal: 16420542621040820 can be written as Sixteen quadrillion, four hundred twenty trillion, five hundred forty-two billion, six hundred twenty-one million, forty thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.642054262104082 × 10¹⁶

Factors of 16420542621040820

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 28653578

Divisors of 16420542621040820

• Number of divisors d(n): 18
• Complete list of divisors:
  1 2 4 5 10 20 28653571 57307142 114614284 143267855 286535710 573071420 821027131052041 1642054262104082 3284108524208164 4105135655260205 8210271310520410 16420542621040820
• Sum of all divisors σ(n): 34483140707635746
• Sum of proper divisors (its aliquot sum) s(n): 18062598086594926
• 16420542621040820 is an abundant number, because the sum of its proper divisors (18062598086594926) is greater than itself. Its abundance is 1642055465554106

Bases of 16420542621040820

• Binary: 111010010101100110010110000001111100100100000010110100₂
• Hexadecimal: 0x3A566581F240B4
• Base-36: 4HOLH52PYGK

Squares and roots of 16420542621040820

• 16420542621040820 squared (16420542621040820²) is 269634219969418122740580106272400
• 16420542621040820 cubed (16420542621040820³) is 4427540201098926069890656609080924115898439368000
• The square root of 16420542621040820 is 128142665.1082332531
• The cube root of 16420542621040820 is 254172.8555606045

Scales and comparisons

• 16,420,542,621,040,820 seconds is equal to 522,122,463 years, 14 weeks, 2 days, 10 hours, 20 seconds.
• To count from 1 to 16,420,542,621,040,820 would take you about one billion, five hundred sixty-six million, three hundred sixty-seven thousand, three hundred eighty-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 16420542621040820 cubic inches would be around 21181.1 feet tall.

Recreational maths with 16420542621040820

• 16420542621040820 backwards is 02804012624502461
• The number of decimal digits it has is: 17
• The sum of 16420542621040820's digits is 47
• More coming soon!