28330722

Names of 28330722

• Cardinal: 28330722 can be written as Twenty-eight million, three hundred thirty thousand, seven hundred twenty-two.

Scientific notation

• Scientific notation: 2.8330722 × 10⁷

Factors of 28330722

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 138

Divisors of 28330722

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 43 49 54 63 81 83 86 98 126 129 147 162 166 189 249 258 294 301 378 387 441 498 567 581 602 747 774 882 903 1134 1161 1162 1323 1494 1743 1806 2107 2241 2322 2646 2709 3483 3486 3569 3969 4067 4214 4482 5229 5418 6321 6723 6966 7138 7938 8127 8134 10458 10707 12201 12642 13446 15687 16254 18963 21414 24381 24402 24983 31374 32121 36603 37926 47061 48762 49966 56889 64242 73206 74949 94122 96363 109809 113778 149898 170667 174881 192726 219618 224847 289089 329427 341334 349762 449694 524643 578178 658854 674541 1049286 1349082 1573929 2023623 3147858 4047246 4721787 9443574 14165361 28330722
• Sum of all divisors σ(n): 76473936
• Sum of proper divisors (its aliquot sum) s(n): 48143214
• 28330722 is an abundant number, because the sum of its proper divisors (48143214) is greater than itself. Its abundance is 19812492

Bases of 28330722

• Binary: 1101100000100101011100010₂
• Hexadecimal: 0x1B04AE2
• Base-36: GV84I

Squares and roots of 28330722

• 28330722 squared (28330722²) is 802629809041284
• 28330722 cubed (28330722³) is 22739081988861703527048
• The square root of 28330722 is 5322.6611765169
• The cube root of 28330722 is 304.8497764203

Scales and comparisons

• 28,330,722 seconds is equal to 46 weeks, 5 days, 21 hours, 38 minutes, 42 seconds.
• To count from 1 to 28,330,722 would take you about eighteen 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 28330722 cubic inches would be around 25.4 feet tall.

Recreational maths with 28330722

• 28330722 backwards is 22703382
• 28330722 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28330722's digits is 27
• More coming soon!