28988878

Names of 28988878

• Cardinal: 28988878 can be written as Twenty-eight million, nine hundred eighty-eight thousand, eight hundred seventy-eight.

Scientific notation

• Scientific notation: 2.8988878 × 10⁷

Factors of 28988878

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 630218

Divisors of 28988878

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 23 46 630193 1260386 14494439 28988878
• Sum of all divisors σ(n): 45373968
• Sum of proper divisors (its aliquot sum) s(n): 16385090
• 28988878 is a deficient number, because the sum of its proper divisors (16385090) is less than itself. Its deficiency is 12603788

Bases of 28988878

• Binary: 1101110100101010111001110₂
• Hexadecimal: 0x1BA55CE
• Base-36: H9BYM

Squares and roots of 28988878

• 28988878 squared (28988878²) is 840355047698884
• 28988878 cubed (28988878³) is 24360949954427129012152
• The square root of 28988878 is 5384.1320563299
• The cube root of 28988878 is 307.1924013307

Scales and comparisons

• 28,988,878 seconds is equal to 47 weeks, 6 days, 12 hours, 27 minutes, 58 seconds.
• To count from 1 to 28,988,878 would take you about nineteen 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 28988878 cubic inches would be around 25.6 feet tall.

Recreational maths with 28988878

• 28988878 backwards is 87888982
• The number of decimal digits it has is: 8
• The sum of 28988878's digits is 58
• More coming soon!