28476421

Names of 28476421

• Cardinal: 28476421 can be written as Twenty-eight million, four hundred seventy-six thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 2.8476421 × 10⁷

Factors of 28476421

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 40563

Divisors of 28476421

• Number of divisors d(n): 8
• Complete list of divisors:
  1 19 37 703 40507 769633 1498759 28476421
• Sum of all divisors σ(n): 30786080
• Sum of proper divisors (its aliquot sum) s(n): 2309659
• 28476421 is a deficient number, because the sum of its proper divisors (2309659) is less than itself. Its deficiency is 26166762

Bases of 28476421

• Binary: 1101100101000010000000101₂
• Hexadecimal: 0x1B28405
• Base-36: GYCJP

Squares and roots of 28476421

• 28476421 squared (28476421²) is 810906552969241
• 28476421 cubed (28476421³) is 23091716394010906766461
• The square root of 28476421 is 5336.3302933757
• The cube root of 28476421 is 305.3714760685

Scales and comparisons

• 28,476,421 seconds is equal to 47 weeks, 14 hours, 7 minutes, 1 second.
• To count from 1 to 28,476,421 would take you about eighteen weeks!

  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 28476421 cubic inches would be around 25.4 feet tall.

Recreational maths with 28476421

• 28476421 backwards is 12467482
• The number of decimal digits it has is: 8
• The sum of 28476421's digits is 34
• More coming soon!