28035390

Names of 28035390

• Cardinal: 28035390 can be written as Twenty-eight million, thirty-five thousand, three hundred ninety.

Scientific notation

• Scientific notation: 2.803539 × 10⁷

Factors of 28035390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1065

Divisors of 28035390

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 23 30 41 46 69 82 115 123 138 205 230 246 345 410 615 690 943 991 1230 1886 1982 2829 2973 4715 4955 5658 5946 9430 9910 14145 14865 22793 28290 29730 40631 45586 68379 81262 113965 121893 136758 203155 227930 243786 341895 406310 609465 683790 934513 1218930 1869026 2803539 4672565 5607078 9345130 14017695 28035390
• Sum of all divisors σ(n): 71995392
• Sum of proper divisors (its aliquot sum) s(n): 43960002
• 28035390 is an abundant number, because the sum of its proper divisors (43960002) is greater than itself. Its abundance is 15924612

Bases of 28035390

• Binary: 1101010111100100100111110₂
• Hexadecimal: 0x1ABC93E
• Base-36: GOW8U

Squares and roots of 28035390

• 28035390 squared (28035390²) is 785983092452100
• 28035390 cubed (28035390³) is 22035342530300679819000
• The square root of 28035390 is 5294.8456068143
• The cube root of 28035390 is 303.7867777109

Scales and comparisons

• 28,035,390 seconds is equal to 46 weeks, 2 days, 11 hours, 36 minutes, 30 seconds.
• To count from 1 to 28,035,390 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 28035390 cubic inches would be around 25.3 feet tall.

Recreational maths with 28035390

• 28035390 backwards is 09353082
• 28035390 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28035390's digits is 30
• More coming soon!