420796841860108987721

Names of 420796841860108987721

• Cardinal: 420796841860108987721 can be written as Four hundred twenty quintillion, seven hundred ninety-six quadrillion, eight hundred forty-one trillion, eight hundred sixty billion, one hundred eight million, nine hundred eighty-seven thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 4.20796841860108987721 × 10²⁰

Factors of 420796841860108987721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 9564083877089

Divisors of 420796841860108987721

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 29 73 203 511 2117 2969 14819 20783 86101 216737 602707 1517159 6285373 43997611 9564083874011 66948587118077 277358432346319 698178122802803 1941509026424233 4887246859619621 20247165561281287 28395765021938659 141730158928969009 198770355153570613 823477185636221111 2072890846601522107 5764340299453547777 14510235926210654749 60113834551444141103 420796841860108987721
• Sum of all divisors σ(n): 504478644919285766400
• Sum of proper divisors (its aliquot sum) s(n): 83681803059176778679
• 420796841860108987721 is a deficient number, because the sum of its proper divisors (83681803059176778679) is less than itself. Its deficiency is 337115038800932209042

Bases of 420796841860108987721

• Binary: 101101100111110111010101100100011000111001110000001010010110101001001₂
• Hexadecimal: 0x16CFBAB231CE052D49
• Base-36: 2GT0M77S1378EH

Squares and roots of 420796841860108987721

• 420796841860108987721 squared (420796841860108987721²) is 177069982119441571637196649480443328773841
• 420796841860108987721 cubed (420796841860108987721³) is 74510489264086981105536008491829358882393668334256974655006361
• The square root of 420796841860108987721 is 20513333270.3417312691
• The cube root of 420796841860108987721 is 7493605.4642644057

Scales and comparisons

• 420,796,841,860,108,987,721 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 420,796,841,860,108,987,721 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 420796841860108987721 cubic inches would be around 624467.1 feet tall.

Recreational maths with 420796841860108987721

• 420796841860108987721 backwards is 127789801068148697024
• The number of decimal digits it has is: 21
• The sum of 420796841860108987721's digits is 98
• More coming soon!