421028431875

Names of 421028431875

• Cardinal: 421028431875 can be written as Four hundred twenty-one billion, twenty-eight million, four hundred thirty-one thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 4.21028431875 × 10¹¹

Factors of 421028431875

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8316619

Divisors of 421028431875

• Number of divisors d(n): 50
• Complete list of divisors:
  1 3 5 9 15 25 27 45 75 81 125 135 225 375 405 625 675 1125 1875 2025 3375 5625 10125 16875 50625 8316611 24949833 41583055 74849499 124749165 207915275 224548497 374247495 623745825 673645491 1039576375 1122742485 1871237475 3118729125 3368227455 5197881875 5613712425 9356187375 15593645625 16841137275 28068562125 46780936875 84205686375 140342810625 421028431875
• Sum of all divisors σ(n): 785928150612
• Sum of proper divisors (its aliquot sum) s(n): 364899718737
• 421028431875 is a deficient number, because the sum of its proper divisors (364899718737) is less than itself. Its deficiency is 56128713138

Bases of 421028431875

• Binary: 110001000000111010000000000100000000011₂
• Hexadecimal: 0x6207400803
• Base-36: 5DF1GH6R

Squares and roots of 421028431875

• 421028431875 squared (421028431875²) is 177264940447121516015625
• 421028431875 cubed (421028431875³) is 74633579902866833245631291748046875
• The square root of 421028431875 is 648867.0371308747
• The cube root of 421028431875 is 7494.9799406169

Scales and comparisons

• 421,028,431,875 seconds is equal to 13,387 years, 20 weeks, 6 days, 6 hours, 11 minutes, 15 seconds.
• To count from 1 to 421,028,431,875 would take you about twenty-six thousand, seven hundred seventy-four 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 421028431875 cubic inches would be around 624.6 feet tall.

Recreational maths with 421028431875

• 421028431875 backwards is 578134820124
• 421028431875 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 421028431875's digits is 45
• More coming soon!