801

Names of 801

• Cardinal: 801 can be written as Eight hundred one.

Scientific notation

• Scientific notation: 8.01 × 10²

Factors of 801

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 92

Divisors of 801

• Number of divisors d(n): 6
• Complete list of divisors:
  1 3 9 89 267 801
• Sum of all divisors σ(n): 1170
• Sum of proper divisors (its aliquot sum) s(n): 369
• 801 is a deficient number, because the sum of its proper divisors (369) is less than itself. Its deficiency is 432

Bases of 801

• Binary: 1100100001₂
• Hexadecimal: 0x321
• Base-36: M9

Squares and roots of 801

• 801 squared (801²) is 641601
• 801 cubed (801³) is 513922401
• The square root of 801 is 28.3019433961
• The cube root of 801 is 9.2870440473

Scales and comparisons

• 801 seconds is equal to 13 minutes, 21 seconds.
• To count from 1 to 801 would take you about six minutes.

  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 801 cubic inches would be around 0.8 feet tall.

Recreational maths with 801

• 801 backwards is 108
• 801 is a Harshad number.
• The number of decimal digits it has is: 3
• The sum of 801's digits is 9
• More coming soon!