28955430

Names of 28955430

• Cardinal: 28955430 can be written as Twenty-eight million, nine hundred fifty-five thousand, four hundred thirty.

Scientific notation

• Scientific notation: 2.895543 × 10⁷

Factors of 28955430

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 136

Divisors of 28955430

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 19 21 30 35 38 41 42 45 57 59 63 70 82 90 95 105 114 118 123 126 133 171 177 190 205 210 246 266 285 287 295 315 342 354 369 399 410 413 531 570 574 590 615 630 665 738 779 798 826 855 861 885 1062 1121 1197 1230 1239 1330 1435 1558 1710 1722 1770 1845 1995 2065 2242 2337 2394 2419 2478 2583 2655 2870 3363 3690 3717 3895 3990 4130 4305 4674 4838 5166 5310 5453 5605 5985 6195 6726 7011 7257 7434 7790 7847 8610 10089 10906 11210 11685 11970 12095 12390 12915 14022 14514 15694 16359 16815 16933 18585 20178 21771 23370 23541 24190 25830 27265 32718 33630 33866 35055 36285 37170 39235 43542 45961 47082 49077 50445 50799 54530 70110 70623 72570 78470 81795 84665 91922 98154 100890 101598 108855 117705 137883 141246 152397 163590 169330 217710 229805 235410 245385 253995 275766 304794 321727 353115 413649 459610 490770 507990 643454 689415 706230 761985 827298 965181 1378830 1523970 1608635 1930362 2068245 2895543 3217270 4136490 4825905 5791086 9651810 14477715 28955430
• Sum of all divisors σ(n): 94348800
• Sum of proper divisors (its aliquot sum) s(n): 65393370
• 28955430 is an abundant number, because the sum of its proper divisors (65393370) is greater than itself. Its abundance is 36437940

Bases of 28955430

• Binary: 1101110011101001100100110₂
• Hexadecimal: 0x1B9D326
• Base-36: H8M5I

Squares and roots of 28955430

• 28955430 squared (28955430²) is 838416926484900
• 28955430 cubed (28955430³) is 24276722625648668007000
• The square root of 28955430 is 5381.0249952959
• The cube root of 28955430 is 307.0742074289

Scales and comparisons

• 28,955,430 seconds is equal to 47 weeks, 6 days, 3 hours, 10 minutes, 30 seconds.
• To count from 1 to 28,955,430 would take you about nineteen 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 28955430 cubic inches would be around 25.6 feet tall.

Recreational maths with 28955430

• 28955430 backwards is 03455982
• The number of decimal digits it has is: 8
• The sum of 28955430's digits is 36
• More coming soon!