28855440

Names of 28855440

• Cardinal: 28855440 can be written as Twenty-eight million, eight hundred fifty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.885544 × 10⁷

Factors of 28855440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 144

Divisors of 28855440

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 61 72 73 80 81 90 108 120 122 135 144 146 162 180 183 216 219 240 244 270 292 305 324 360 365 366 405 432 438 488 540 549 584 610 648 657 720 730 732 810 876 915 976 1080 1095 1098 1168 1220 1296 1314 1460 1464 1620 1647 1752 1830 1971 2160 2190 2196 2440 2628 2745 2920 2928 3240 3285 3294 3504 3660 3942 4380 4392 4453 4880 4941 5256 5490 5840 5913 6480 6570 6588 7320 7884 8235 8760 8784 8906 9855 9882 10512 10980 11826 13140 13176 13359 14640 15768 16470 17520 17812 19710 19764 21960 22265 23652 24705 26280 26352 26718 29565 31536 32940 35624 39420 39528 40077 43920 44530 47304 49410 52560 53436 59130 65880 66795 71248 78840 79056 80154 89060 94608 98820 106872 118260 120231 131760 133590 157680 160308 178120 197640 200385 213744 236520 240462 267180 320616 356240 360693 395280 400770 473040 480924 534360 601155 641232 721386 801540 961848 1068720 1202310 1442772 1603080 1803465 1923696 2404620 2885544 3206160 3606930 4809240 5771088 7213860 9618480 14427720 28855440
• Sum of all divisors σ(n): 103257528
• Sum of proper divisors (its aliquot sum) s(n): 74402088
• 28855440 is an abundant number, because the sum of its proper divisors (74402088) is greater than itself. Its abundance is 45546648

Bases of 28855440

• Binary: 1101110000100110010010000₂
• Hexadecimal: 0x1B84C90
• Base-36: H6H00

Squares and roots of 28855440

• 28855440 squared (28855440²) is 832636417593600
• 28855440 cubed (28855440³) is 24026090189687069184000
• The square root of 28855440 is 5371.7259796085
• The cube root of 28855440 is 306.7203329729

Scales and comparisons

• 28,855,440 seconds is equal to 47 weeks, 4 days, 23 hours, 24 minutes.
• To count from 1 to 28,855,440 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 28855440 cubic inches would be around 25.6 feet tall.

Recreational maths with 28855440

• 28855440 backwards is 04455882
• 28855440 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28855440's digits is 36
• More coming soon!