28233240

Names of 28233240

• Cardinal: 28233240 can be written as Twenty-eight million, two hundred thirty-three thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.823324 × 10⁷

Factors of 28233240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 126

Divisors of 28233240

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 24 28 29 30 35 38 40 42 56 57 58 60 61 70 76 84 87 95 105 114 116 120 122 133 140 145 152 168 174 183 190 203 210 228 232 244 266 280 285 290 305 348 366 380 399 406 420 427 435 456 488 532 551 570 580 609 610 665 696 732 760 798 812 840 854 870 915 1015 1064 1102 1140 1159 1160 1218 1220 1281 1330 1464 1596 1624 1653 1708 1740 1769 1830 1995 2030 2135 2204 2280 2318 2436 2440 2562 2660 2755 3045 3192 3306 3416 3477 3480 3538 3660 3857 3990 4060 4270 4408 4636 4872 5124 5307 5320 5510 5795 6090 6405 6612 6954 7076 7320 7714 7980 8113 8120 8265 8540 8845 9272 10248 10614 11020 11571 11590 12180 12383 12810 13224 13908 14152 15428 15960 16226 16530 17080 17385 17690 19285 21228 22040 23142 23180 24339 24360 24766 25620 26535 27816 30856 32452 33060 33611 34770 35380 37149 38570 40565 42456 46284 46360 48678 49532 51240 53070 57855 61915 64904 66120 67222 69540 70760 74298 77140 81130 92568 97356 99064 100833 106140 115710 121695 123830 134444 139080 148596 154280 162260 168055 185745 194712 201666 212280 231420 235277 243390 247660 268888 297192 324520 336110 371490 403332 462840 470554 486780 495320 504165 672220 705831 742980 806664 941108 973560 1008330 1176385 1344440 1411662 1485960 1882216 2016660 2352770 2823324 3529155 4033320 4705540 5646648 7058310 9411080 14116620 28233240
• Sum of all divisors σ(n): 107136000
• Sum of proper divisors (its aliquot sum) s(n): 78902760
• 28233240 is an abundant number, because the sum of its proper divisors (78902760) is greater than itself. Its abundance is 50669520

Bases of 28233240

• Binary: 1101011101100111000011000₂
• Hexadecimal: 0x1AECE18
• Base-36: GT4WO

Squares and roots of 28233240

• 28233240 squared (28233240²) is 797115840897600
• 28233240 cubed (28233240³) is 22505162843863756224000
• The square root of 28233240 is 5313.4960242763
• The cube root of 28233240 is 304.4997263271

Scales and comparisons

• 28,233,240 seconds is equal to 46 weeks, 4 days, 18 hours, 34 minutes.
• To count from 1 to 28,233,240 would take you about eighteen 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 28233240 cubic inches would be around 25.4 feet tall.

Recreational maths with 28233240

• 28233240 backwards is 04233282
• 28233240 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28233240's digits is 24
• More coming soon!