28753920

Names of 28753920

• Cardinal: 28753920 can be written as Twenty-eight million, seven hundred fifty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.875392 × 10⁷

Factors of 28753920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 23

Divisors of 28753920

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 64 65 72 78 80 90 96 104 108 117 120 128 130 135 144 156 160 180 192 195 208 216 234 240 256 260 270 288 312 320 351 360 384 390 416 432 468 480 512 520 540 576 585 624 640 702 720 768 780 832 864 936 960 1024 1040 1080 1152 1170 1248 1280 1404 1440 1536 1560 1664 1728 1755 1872 1920 2048 2080 2160 2304 2340 2496 2560 2808 2880 3072 3120 3328 3456 3510 3744 3840 4096 4160 4320 4608 4680 4992 5120 5616 5760 6144 6240 6656 6912 7020 7488 7680 8192 8320 8640 9216 9360 9984 10240 11232 11520 12288 12480 13312 13824 14040 14976 15360 16384 16640 17280 18432 18720 19968 20480 22464 23040 24576 24960 26624 27648 28080 29952 30720 33280 34560 36864 37440 39936 40960 44928 46080 49152 49920 53248 55296 56160 59904 61440 66560 69120 73728 74880 79872 81920 89856 92160 99840 106496 110592 112320 119808 122880 133120 138240 147456 149760 159744 179712 184320 199680 212992 221184 224640 239616 245760 266240 276480 299520 319488 359424 368640 399360 442368 449280 479232 532480 552960 599040 638976 718848 737280 798720 898560 958464 1064960 1105920 1198080 1437696 1597440 1797120 1916928 2211840 2396160 2875392 3194880 3594240 4792320 5750784 7188480 9584640 14376960 28753920
• Sum of all divisors σ(n): 110097120
• Sum of proper divisors (its aliquot sum) s(n): 81343200
• 28753920 is an abundant number, because the sum of its proper divisors (81343200) is greater than itself. Its abundance is 52589280

Bases of 28753920

• Binary: 1101101101100000000000000₂
• Hexadecimal: 0x1B6C000
• Base-36: H4AO0

Squares and roots of 28753920

• 28753920 squared (28753920²) is 826787915366400
• 28753920 cubed (28753920³) is 23773393575412236288000
• The square root of 28753920 is 5362.2681768073
• The cube root of 28753920 is 306.3602063453

Scales and comparisons

• 28,753,920 seconds is equal to 47 weeks, 3 days, 19 hours, 12 minutes.
• To count from 1 to 28,753,920 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 28753920 cubic inches would be around 25.5 feet tall.

Recreational maths with 28753920

• 28753920 backwards is 02935782
• 28753920 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28753920's digits is 36
• More coming soon!