28288260

Names of 28288260

• Cardinal: 28288260 can be written as Twenty-eight million, two hundred eighty-eight thousand, two hundred sixty.

Scientific notation

• Scientific notation: 2.828826 × 10⁷

Factors of 28288260

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 198

Divisors of 28288260

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 13 14 15 18 20 21 22 26 28 30 33 35 36 39 42 44 45 52 55 60 63 65 66 70 77 78 84 90 91 99 105 110 117 126 130 132 140 143 154 156 157 165 180 182 195 198 210 220 231 234 252 260 273 286 308 314 315 330 364 385 390 396 420 429 455 462 468 471 495 546 572 585 628 630 660 693 715 770 780 785 819 858 910 924 942 990 1001 1092 1099 1155 1170 1260 1287 1365 1386 1413 1430 1540 1570 1638 1716 1727 1820 1884 1980 2002 2041 2145 2198 2310 2340 2355 2574 2730 2772 2826 2860 3003 3140 3276 3297 3454 3465 4004 4082 4095 4290 4396 4620 4710 5005 5148 5181 5460 5495 5652 6006 6123 6435 6594 6908 6930 7065 8164 8190 8580 8635 9009 9420 9891 10010 10205 10362 10990 12012 12089 12246 12870 13188 13860 14130 14287 15015 15543 16380 16485 17270 18018 18369 19782 20020 20410 20724 21980 22451 24178 24492 25740 25905 28260 28574 30030 30615 31086 32970 34540 36036 36267 36738 39564 40820 42861 44902 45045 48356 49455 51810 57148 60060 60445 61230 62172 65940 67353 71435 72534 73476 77715 85722 89804 90090 91845 98910 103620 108801 112255 120890 122460 128583 134706 142870 145068 155430 157157 171444 180180 181335 183690 197820 202059 214305 217602 224510 241780 257166 269412 285740 310860 314314 336765 362670 367380 404118 428610 435204 449020 471471 514332 544005 628628 642915 673530 725340 785785 808236 857220 942942 1010295 1088010 1285830 1347060 1414413 1571570 1885884 2020590 2176020 2357355 2571660 2828826 3143140 4041180 4714710 5657652 7072065 9429420 14144130 28288260
• Sum of all divisors σ(n): 115944192
• Sum of proper divisors (its aliquot sum) s(n): 87655932
• 28288260 is an abundant number, because the sum of its proper divisors (87655932) is greater than itself. Its abundance is 59367672

Bases of 28288260

• Binary: 1101011111010010100000100₂
• Hexadecimal: 0x1AFA504
• Base-36: GUBD0

Squares and roots of 28288260

• 28288260 squared (28288260²) is 800225653827600
• 28288260 cubed (28288260³) is 22636991354145143976000
• The square root of 28288260 is 5318.6708866031
• The cube root of 28288260 is 304.6973976269

Scales and comparisons

• 28,288,260 seconds is equal to 46 weeks, 5 days, 9 hours, 51 minutes.
• To count from 1 to 28,288,260 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 28288260 cubic inches would be around 25.4 feet tall.

Recreational maths with 28288260

• 28288260 backwards is 06288282
• 28288260 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28288260's digits is 36
• More coming soon!