28788480

Names of 28788480

• Cardinal: 28788480 can be written as Twenty-eight million, seven hundred eighty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.878848 × 10⁷

Factors of 28788480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 34

Divisors of 28788480

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 27 28 30 32 34 35 36 40 42 45 48 49 51 54 56 60 63 64 68 70 72 80 84 85 90 96 98 102 105 108 112 119 120 126 128 135 136 140 144 147 153 160 168 170 180 189 192 196 204 210 216 224 238 240 245 252 255 256 270 272 280 288 294 306 315 320 336 340 357 360 378 384 392 408 420 432 441 448 459 476 480 490 504 510 540 544 560 576 588 595 612 630 640 672 680 714 720 735 756 765 768 784 816 833 840 864 882 896 918 945 952 960 980 1008 1020 1071 1080 1088 1120 1152 1176 1190 1224 1260 1280 1323 1344 1360 1428 1440 1470 1512 1530 1568 1632 1666 1680 1728 1764 1785 1792 1836 1890 1904 1920 1960 2016 2040 2142 2160 2176 2205 2240 2295 2304 2352 2380 2448 2499 2520 2646 2688 2720 2856 2880 2940 3024 3060 3136 3213 3264 3332 3360 3456 3528 3570 3672 3780 3808 3840 3920 4032 4080 4165 4284 4320 4352 4410 4480 4590 4704 4760 4896 4998 5040 5292 5355 5376 5440 5712 5760 5880 6048 6120 6272 6426 6528 6615 6664 6720 6912 7056 7140 7344 7497 7560 7616 7840 8064 8160 8330 8568 8640 8820 8960 9180 9408 9520 9792 9996 10080 10584 10710 10880 11424 11520 11760 12096 12240 12495 12544 12852 13056 13230 13328 13440 14112 14280 14688 14994 15120 15232 15680 16065 16128 16320 16660 17136 17280 17640 18360 18816 19040 19584 19992 20160 21168 21420 21760 22491 22848 23520 24192 24480 24990 25704 26460 26656 26880 28224 28560 29376 29988 30240 30464 31360 32130 32640 33320 34272 34560 35280 36720 37485 37632 38080 39168 39984 40320 42336 42840 44982 45696 47040 48384 48960 49980 51408 52920 53312 56448 57120 58752 59976 60480 62720 64260 65280 66640 68544 70560 73440 74970 76160 79968 80640 84672 85680 89964 91392 94080 97920 99960 102816 105840 106624 112455 112896 114240 117504 119952 120960 128520 133280 137088 141120 146880 149940 152320 159936 169344 171360 179928 188160 195840 199920 205632 211680 213248 224910 228480 239904 241920 257040 266560 274176 282240 293760 299880 319872 338688 342720 359856 399840 411264 423360 449820 456960 479808 514080 533120 564480 587520 599760 639744 685440 719712 799680 822528 846720 899640 959616 1028160 1066240 1199520 1370880 1439424 1599360 1693440 1799280 1919232 2056320 2399040 2878848 3198720 3598560 4112640 4798080 5757696 7197120 9596160 14394240 28788480
• Sum of all divisors σ(n): 125828640
• Sum of proper divisors (its aliquot sum) s(n): 97040160
• 28788480 is an abundant number, because the sum of its proper divisors (97040160) is greater than itself. Its abundance is 68251680

Bases of 28788480

• Binary: 1101101110100011100000000₂
• Hexadecimal: 0x1B74700
• Base-36: H51C0

Squares and roots of 28788480

• 28788480 squared (28788480²) is 828776580710400
• 28788480 cubed (28788480³) is 23859218018249736192000
• The square root of 28788480 is 5365.4897260175
• The cube root of 28788480 is 306.4828976705

Scales and comparisons

• 28,788,480 seconds is equal to 47 weeks, 4 days, 4 hours, 48 minutes.
• To count from 1 to 28,788,480 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 28788480 cubic inches would be around 25.5 feet tall.

Recreational maths with 28788480

• 28788480 backwards is 08488782
• 28788480 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28788480's digits is 45
• More coming soon!