845421423

Names of 845421423

• Cardinal: 845421423 can be written as Eight hundred forty-five million, four hundred twenty-one thousand, four hundred twenty-three.

Scientific notation

• Scientific notation: 8.45421423 × 10⁸

Factors of 845421423

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 46427

Divisors of 845421423

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 7 11 21 33 77 79 231 237 553 869 1659 2607 6083 18249 46327 138981 324289 509597 972867 1528791 3567179 3659833 10701537 10979499 25618831 40258163 76856493 120774489 281807141 845421423
• Sum of all divisors σ(n): 1423196160
• Sum of proper divisors (its aliquot sum) s(n): 577774737
• 845421423 is a deficient number, because the sum of its proper divisors (577774737) is less than itself. Its deficiency is 267646686

Bases of 845421423

• Binary: 110010011001000001101101101111₂
• Hexadecimal: 0x32641B6F
• Base-36: DZCBCF

Squares and roots of 845421423

• 845421423 squared (845421423²) is 714737382467344929
• 845421423 cubed (845421423³) is 604254294956838000907013967
• The square root of 845421423 is 29076.1314999089
• The cube root of 845421423 is 945.5643346855

Scales and comparisons

• 845,421,423 seconds is equal to 26 years, 45 weeks, 5 days, 23 hours, 17 minutes, 3 seconds.
• To count from 1 to 845,421,423 would take you about forty 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 845421423 cubic inches would be around 78.8 feet tall.

Recreational maths with 845421423

• 845421423 backwards is 324124548
• 845421423 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 845421423's digits is 33
• More coming soon!