28025010

Names of 28025010

• Cardinal: 28025010 can be written as Twenty-eight million, twenty-five thousand and ten.

Scientific notation

• Scientific notation: 2.802501 × 10⁷

Factors of 28025010

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1449

Divisors of 28025010

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 17 18 26 30 34 39 45 51 65 78 85 90 102 117 130 153 170 195 221 234 255 306 390 442 510 585 663 765 1105 1170 1326 1409 1530 1989 2210 2818 3315 3978 4227 6630 7045 8454 9945 12681 14090 18317 19890 21135 23953 25362 36634 42270 47906 54951 63405 71859 91585 109902 119765 126810 143718 164853 183170 215577 239530 274755 311389 329706 359295 431154 549510 622778 718590 824265 934167 1077885 1556945 1648530 1868334 2155770 2802501 3113890 4670835 5605002 9341670 14012505 28025010
• Sum of all divisors σ(n): 83144880
• Sum of proper divisors (its aliquot sum) s(n): 55119870
• 28025010 is an abundant number, because the sum of its proper divisors (55119870) is greater than itself. Its abundance is 27094860

Bases of 28025010

• Binary: 1101010111010000010110010₂
• Hexadecimal: 0x1ABA0B2
• Base-36: GOO8I

Squares and roots of 28025010

• 28025010 squared (28025010²) is 785401185500100
• 28025010 cubed (28025010³) is 22010876077652157501000
• The square root of 28025010 is 5293.8653175163
• The cube root of 28025010 is 303.7492811039

Scales and comparisons

• 28,025,010 seconds is equal to 46 weeks, 2 days, 8 hours, 43 minutes, 30 seconds.
• To count from 1 to 28,025,010 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 28025010 cubic inches would be around 25.3 feet tall.

Recreational maths with 28025010

• 28025010 backwards is 01052082
• 28025010 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28025010's digits is 18
• More coming soon!