76421

Names of 76421

• Cardinal: 76421 can be written as Seventy-six thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 7.6421 × 10⁴

Factors of 76421

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 76421

Divisors of 76421

• Number of divisors d(n): 2
• Complete list of divisors:
  1 76421
• Sum of all divisors σ(n): 76422
• Sum of proper divisors (its aliquot sum) s(n): 1
• 76421 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 76420

Bases of 76421

• Binary: 10010101010000101₂
• Hexadecimal: 0x12A85
• Base-36: 1MYT

Squares and roots of 76421

• 76421 squared (76421²) is 5840169241
• 76421 cubed (76421³) is 446311573566461
• The square root of 76421 is 276.4434842785
• The cube root of 76421 is 42.4363059747

Scales and comparisons

• 76,421 seconds is equal to 21 hours, 13 minutes, 41 seconds.
• To count from 1 to 76,421 would take you about twenty-one hours.

  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 76421 cubic inches would be around 3.5 feet tall.

Recreational maths with 76421

• 76421 backwards is 12467
• 76421 is a twin prime! Its twin is 76423
• The number of decimal digits it has is: 5
• The sum of 76421's digits is 20
• More coming soon!