28988967

Names of 28988967

• Cardinal: 28988967 can be written as Twenty-eight million, nine hundred eighty-eight thousand, nine hundred sixty-seven.

Scientific notation

• Scientific notation: 2.8988967 × 10⁷

Factors of 28988967

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1380437

Divisors of 28988967

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 7 21 1380427 4141281 9662989 28988967
• Sum of all divisors σ(n): 44173696
• Sum of proper divisors (its aliquot sum) s(n): 15184729
• 28988967 is a deficient number, because the sum of its proper divisors (15184729) is less than itself. Its deficiency is 13804238

Bases of 28988967

• Binary: 1101110100101011000100111₂
• Hexadecimal: 0x1BA5627
• Base-36: H9C13

Squares and roots of 28988967

• 28988967 squared (28988967²) is 840360207727089
• 28988967 cubed (28988967³) is 24361174329913728027063
• The square root of 28988967 is 5384.1403213513
• The cube root of 28988967 is 307.1927157053

Scales and comparisons

• 28,988,967 seconds is equal to 47 weeks, 6 days, 12 hours, 29 minutes, 27 seconds.
• To count from 1 to 28,988,967 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 28988967 cubic inches would be around 25.6 feet tall.

Recreational maths with 28988967

• 28988967 backwards is 76988982
• The number of decimal digits it has is: 8
• The sum of 28988967's digits is 57
• More coming soon!