28976220

Names of 28976220

• Cardinal: 28976220 can be written as Twenty-eight million, nine hundred seventy-six thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.897622 × 10⁷

Factors of 28976220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 120

Divisors of 28976220

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 29 30 35 36 39 42 45 52 58 60 61 63 65 70 78 84 87 90 91 105 116 117 122 126 130 140 145 156 174 180 182 183 195 203 210 234 244 252 260 261 273 290 305 315 348 364 366 377 390 406 420 427 435 455 468 522 546 549 580 585 609 610 630 732 754 780 793 812 819 854 870 910 915 1015 1044 1092 1098 1131 1170 1218 1220 1260 1281 1305 1365 1508 1586 1638 1708 1740 1769 1820 1827 1830 1885 2030 2135 2196 2262 2340 2379 2436 2562 2610 2639 2730 2745 3045 3172 3276 3393 3538 3654 3660 3770 3843 3965 4060 4095 4270 4524 4758 5124 5220 5278 5307 5460 5490 5551 5655 6090 6405 6786 7076 7137 7308 7540 7686 7917 7930 8190 8540 8845 9135 9516 10556 10614 10980 11102 11310 11895 12180 12383 12810 13195 13572 14274 15372 15834 15860 15921 16380 16653 16965 17690 18270 19215 21228 22204 22620 22997 23751 23790 24766 25620 26390 26535 27755 28548 31668 31842 33306 33930 35380 35685 36540 37149 38430 39585 45994 47502 47580 49532 49959 52780 53070 55510 61915 63684 66612 67860 68991 71370 74298 76860 79170 79605 83265 91988 95004 99918 106140 111020 111447 114985 118755 123830 137982 142740 148596 158340 159210 160979 166530 185745 199836 206973 222894 229970 237510 247660 249795 275964 318420 321958 333060 344955 371490 413946 445788 459940 475020 482937 499590 557235 643916 689910 742980 804895 827892 965874 999180 1034865 1114470 1379820 1448811 1609790 1931748 2069730 2228940 2414685 2897622 3219580 4139460 4829370 5795244 7244055 9658740 14488110 28976220
• Sum of all divisors σ(n): 113742720
• Sum of proper divisors (its aliquot sum) s(n): 84766500
• 28976220 is an abundant number, because the sum of its proper divisors (84766500) is greater than itself. Its abundance is 55790280

Bases of 28976220

• Binary: 1101110100010010001011100₂
• Hexadecimal: 0x1BA245C
• Base-36: H9270

Squares and roots of 28976220

• 28976220 squared (28976220²) is 839621325488400
• 28976220 cubed (28976220³) is 24329052244043485848000
• The square root of 28976220 is 5382.9564367549
• The cube root of 28976220 is 307.1476829445

Scales and comparisons

• 28,976,220 seconds is equal to 47 weeks, 6 days, 8 hours, 57 minutes.
• To count from 1 to 28,976,220 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 28976220 cubic inches would be around 25.6 feet tall.

Recreational maths with 28976220

• 28976220 backwards is 02267982
• 28976220 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28976220's digits is 36
• More coming soon!