28038010

Names of 28038010

• Cardinal: 28038010 can be written as Twenty-eight million, thirty-eight thousand and ten.

Scientific notation

• Scientific notation: 2.803801 × 10⁷

Factors of 28038010

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2839

Divisors of 28038010

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 770 910 1001 1430 2002 2801 5005 5602 10010 14005 19607 28010 30811 36413 39214 61622 72826 98035 154055 182065 196070 215677 254891 308110 364130 400543 431354 509782 801086 1078385 1274455 2002715 2156770 2548910 2803801 4005430 5607602 14019005 28038010
• Sum of all divisors σ(n): 67785984
• Sum of proper divisors (its aliquot sum) s(n): 39747974
• 28038010 is an abundant number, because the sum of its proper divisors (39747974) is greater than itself. Its abundance is 11709964

Bases of 28038010

• Binary: 1101010111101001101111010₂
• Hexadecimal: 0x1ABD37A
• Base-36: GOY9M

Squares and roots of 28038010

• 28038010 squared (28038010²) is 786130004760100
• 28038010 cubed (28038010³) is 22041520934763731401000
• The square root of 28038010 is 5295.0930114587
• The cube root of 28038010 is 303.7962407093

Scales and comparisons

• 28,038,010 seconds is equal to 46 weeks, 2 days, 12 hours, 20 minutes, 10 seconds.
• To count from 1 to 28,038,010 would take you about seventeen 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 28038010 cubic inches would be around 25.3 feet tall.

Recreational maths with 28038010

• 28038010 backwards is 01083082
• 28038010 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28038010's digits is 22
• More coming soon!