28625790

Names of 28625790

• Cardinal: 28625790 can be written as Twenty-eight million, six hundred twenty-five thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.862579 × 10⁷

Factors of 28625790

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 105

Divisors of 28625790

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 10 15 17 30 34 37 41 51 74 82 85 102 111 123 170 185 205 222 246 255 370 410 510 555 615 629 697 1110 1230 1258 1369 1394 1517 1887 2091 2738 3034 3145 3485 3774 4107 4182 4551 6290 6845 6970 7585 8214 9102 9435 10455 13690 15170 18870 20535 20910 22755 23273 25789 41070 45510 46546 51578 56129 69819 77367 112258 116365 128945 139638 154734 168387 232730 257890 280645 336774 349095 386835 561290 698190 773670 841935 954193 1683870 1908386 2862579 4770965 5725158 9541930 14312895 28625790
• Sum of all divisors σ(n): 76585824
• Sum of proper divisors (its aliquot sum) s(n): 47960034
• 28625790 is an abundant number, because the sum of its proper divisors (47960034) is greater than itself. Its abundance is 19334244

Bases of 28625790

• Binary: 1101101001100101101111110₂
• Hexadecimal: 0x1B4CB7E
• Base-36: H1JSU

Squares and roots of 28625790

• 28625790 squared (28625790²) is 819435853124100
• 28625790 cubed (28625790³) is 23456998650001330539000
• The square root of 28625790 is 5350.3074678003
• The cube root of 28625790 is 305.9044727231

Scales and comparisons

• 28,625,790 seconds is equal to 47 weeks, 2 days, 7 hours, 36 minutes, 30 seconds.
• To count from 1 to 28,625,790 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 28625790 cubic inches would be around 25.5 feet tall.

Recreational maths with 28625790

• 28625790 backwards is 09752682
• The number of decimal digits it has is: 8
• The sum of 28625790's digits is 39
• More coming soon!