28163520

Names of 28163520

• Cardinal: 28163520 can be written as Twenty-eight million, one hundred sixty-three thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.816352 × 10⁷

Factors of 28163520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 155

Divisors of 28163520

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 28 30 32 33 35 36 40 42 44 45 48 55 56 60 63 64 66 70 72 77 80 84 88 90 96 99 105 110 112 120 126 127 132 140 144 154 160 165 168 176 180 192 198 210 220 224 231 240 252 254 264 280 288 308 315 320 330 336 352 360 381 385 396 420 440 448 462 480 495 504 508 528 560 576 616 630 635 660 672 693 704 720 762 770 792 840 880 889 924 960 990 1008 1016 1056 1120 1143 1155 1232 1260 1270 1320 1344 1386 1397 1440 1524 1540 1584 1680 1760 1778 1848 1905 1980 2016 2032 2112 2240 2286 2310 2464 2520 2540 2640 2667 2772 2794 2880 3048 3080 3168 3360 3465 3520 3556 3696 3810 3960 4032 4064 4191 4445 4572 4620 4928 5040 5080 5280 5334 5544 5588 5715 6096 6160 6336 6720 6930 6985 7112 7392 7620 7920 8001 8128 8382 8890 9144 9240 9779 10080 10160 10560 10668 11088 11176 11430 12192 12320 12573 13335 13860 13970 14224 14784 15240 15840 16002 16764 17780 18288 18480 19558 20160 20320 20955 21336 22176 22352 22860 24384 24640 25146 26670 27720 27940 28448 29337 30480 31680 32004 33528 35560 36576 36960 39116 40005 40640 41910 42672 44352 44704 45720 48895 50292 53340 55440 55880 56896 58674 60960 62865 64008 67056 71120 73152 73920 78232 80010 83820 85344 88011 89408 91440 97790 100584 106680 110880 111760 117348 121920 125730 128016 134112 142240 146685 156464 160020 167640 170688 176022 182880 195580 201168 213360 221760 223520 234696 251460 256032 268224 284480 293370 312928 320040 335280 352044 365760 391160 402336 426720 440055 447040 469392 502920 512064 586740 625856 640080 670560 704088 782320 804672 853440 880110 938784 1005840 1173480 1280160 1341120 1408176 1564640 1760220 1877568 2011680 2346960 2560320 2816352 3129280 3520440 4023360 4693920 5632704 7040880 9387840 14081760 28163520
• Sum of all divisors σ(n): 121724928
• Sum of proper divisors (its aliquot sum) s(n): 93561408
• 28163520 is an abundant number, because the sum of its proper divisors (93561408) is greater than itself. Its abundance is 65397888

Bases of 28163520

• Binary: 1101011011011110111000000₂
• Hexadecimal: 0x1ADBDC0
• Base-36: GRN40

Squares and roots of 28163520

• 28163520 squared (28163520²) is 793183858790400
• 28163520 cubed (28163520³) is 22338849470720606208000
• The square root of 28163520 is 5306.9313166839
• The cube root of 28163520 is 304.2488728411

Scales and comparisons

• 28,163,520 seconds is equal to 46 weeks, 3 days, 23 hours, 12 minutes.
• To count from 1 to 28,163,520 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 28163520 cubic inches would be around 25.4 feet tall.

Recreational maths with 28163520

• 28163520 backwards is 02536182
• The number of decimal digits it has is: 8
• The sum of 28163520's digits is 27
• More coming soon!