28123200

Names of 28123200

• Cardinal: 28123200 can be written as Twenty-eight million, one hundred twenty-three thousand, two hundred.

Scientific notation

• Scientific notation: 2.81232 × 10⁷

Factors of 28123200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 48

Divisors of 28123200

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 31 32 35 36 40 42 45 48 50 54 56 60 62 63 64 70 72 75 80 81 84 90 93 96 100 105 108 112 120 124 126 135 140 144 150 155 160 162 168 175 180 186 189 192 200 210 216 217 224 225 240 248 252 270 279 280 288 300 310 315 320 324 336 350 360 372 378 400 405 420 432 434 448 450 465 480 496 504 525 540 558 560 567 576 600 620 630 648 651 672 675 700 720 744 756 775 800 810 837 840 864 868 900 930 945 960 992 1008 1050 1080 1085 1116 1120 1134 1200 1240 1260 1296 1302 1344 1350 1395 1400 1440 1488 1512 1550 1575 1600 1620 1674 1680 1728 1736 1800 1860 1890 1953 1984 2016 2025 2100 2160 2170 2232 2240 2268 2325 2400 2480 2511 2520 2592 2604 2700 2790 2800 2835 2880 2976 3024 3100 3150 3240 3255 3348 3360 3472 3600 3720 3780 3906 4032 4050 4185 4200 4320 4340 4464 4536 4650 4725 4800 4960 5022 5040 5184 5208 5400 5425 5580 5600 5670 5859 5952 6048 6200 6300 6480 6510 6696 6720 6944 6975 7200 7440 7560 7812 8100 8370 8400 8640 8680 8928 9072 9300 9450 9765 9920 10044 10080 10416 10800 10850 11160 11200 11340 11718 12096 12400 12555 12600 12960 13020 13392 13888 13950 14175 14400 14880 15120 15624 16200 16275 16740 16800 17360 17577 17856 18144 18600 18900 19530 20088 20160 20832 20925 21600 21700 22320 22680 23436 24800 25110 25200 25920 26040 26784 27900 28350 29295 29760 30240 31248 32400 32550 33480 33600 34720 35154 36288 37200 37800 39060 40176 41664 41850 43200 43400 44640 45360 46872 48825 49600 50220 50400 52080 53568 55800 56700 58590 60480 62496 62775 64800 65100 66960 69440 70308 74400 75600 78120 80352 83700 86800 87885 89280 90720 93744 97650 100440 100800 104160 111600 113400 117180 124992 125550 129600 130200 133920 140616 146475 148800 151200 156240 160704 167400 173600 175770 181440 187488 195300 200880 208320 223200 226800 234360 251100 260400 267840 281232 292950 302400 312480 334800 347200 351540 374976 390600 401760 439425 446400 453600 468720 502200 520800 562464 585900 624960 669600 703080 781200 803520 878850 907200 937440 1004400 1041600 1124928 1171800 1339200 1406160 1562400 1757700 1874880 2008800 2343600 2812320 3124800 3515400 4017600 4687200 5624640 7030800 9374400 14061600 28123200
• Sum of all divisors σ(n): 121952512
• Sum of proper divisors (its aliquot sum) s(n): 93829312
• 28123200 is an abundant number, because the sum of its proper divisors (93829312) is greater than itself. Its abundance is 65706112

Bases of 28123200

• Binary: 1101011010010000001000000₂
• Hexadecimal: 0x1AD2040
• Base-36: GQS00

Squares and roots of 28123200

• 28123200 squared (28123200²) is 790914378240000
• 28123200 cubed (28123200³) is 22243043242119168000000
• The square root of 28123200 is 5303.1311505563
• The cube root of 28123200 is 304.1036119581

Scales and comparisons

• 28,123,200 seconds is equal to 46 weeks, 3 days, 12 hours.
• To count from 1 to 28,123,200 would take you about seventeen 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 28123200 cubic inches would be around 25.3 feet tall.

Recreational maths with 28123200

• 28123200 backwards is 00232182
• 28123200 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28123200's digits is 18
• More coming soon!