28748160
28,748,160 is an even composite number composed of six prime numbers multiplied together.
28748160 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 28748160:
27 × 32 × 5 × 7 × 23 × 31
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 23 × 31)See below for interesting mathematical facts about the number 28748160 from the Numbermatics database.
Names of 28748160
- Cardinal: 28748160 can be written as Twenty-eight million, seven hundred forty-eight thousand, one hundred sixty.
Scientific notation
- Scientific notation: 2.874816 × 107
Factors of 28748160
Divisors of 28748160
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 23 24 28 30 31 32 35 36 40 42 45 46 48 56 60 62 63 64 69 70 72 80 84 90 92 93 96 105 112 115 120 124 126 128 138 140 144 155 160 161 168 180 184 186 192 207 210 217 224 230 240 248 252 276 279 280 288 310 315 320 322 336 345 360 368 372 384 414 420 434 448 460 465 480 483 496 504 552 558 560 576 620 630 640 644 651 672 690 713 720 736 744 805 828 840 868 896 920 930 960 966 992 1008 1035 1085 1104 1116 1120 1152 1240 1260 1288 1302 1344 1380 1395 1426 1440 1449 1472 1488 1610 1656 1680 1736 1840 1860 1920 1932 1953 1984 2016 2070 2139 2170 2208 2232 2240 2415 2480 2520 2576 2604 2688 2760 2790 2852 2880 2898 2944 2976 3220 3255 3312 3360 3472 3565 3680 3720 3864 3906 3968 4032 4140 4278 4340 4416 4464 4480 4830 4960 4991 5040 5152 5208 5520 5580 5704 5760 5796 5952 6417 6440 6510 6624 6720 6944 7130 7245 7360 7440 7728 7812 8064 8280 8556 8680 8832 8928 9660 9765 9920 9982 10080 10304 10416 10695 11040 11160 11408 11592 11904 12834 12880 13020 13248 13440 13888 14260 14490 14720 14880 14973 15456 15624 16560 17112 17360 17856 19320 19530 19840 19964 20160 20608 20832 21390 22080 22320 22816 23184 24955 25668 25760 26040 26496 27776 28520 28980 29760 29946 30912 31248 32085 33120 34224 34720 35712 38640 39060 39928 40320 41664 42780 44160 44640 44919 45632 46368 49910 51336 51520 52080 57040 57960 59520 59892 61824 62496 64170 66240 68448 69440 74865 77280 78120 79856 83328 85560 89280 89838 91264 92736 99820 102672 103040 104160 114080 115920 119784 124992 128340 132480 136896 138880 149730 154560 156240 159712 171120 178560 179676 185472 199640 205344 208320 224595 228160 231840 239568 249984 256680 273792 299460 309120 312480 319424 342240 359352 399280 410688 416640 449190 456320 463680 479136 513360 598920 624960 638848 684480 718704 798560 821376 898380 927360 958272 1026720 1197840 1249920 1368960 1437408 1597120 1796760 1916544 2053440 2395680 2874816 3194240 3593520 4106880 4791360 5749632 7187040 9582720 14374080 28748160
- Sum of all divisors σ(n): 122204160
- Sum of proper divisors (its aliquot sum) s(n): 93456000
- 28748160 is an abundant number, because the sum of its proper divisors (93456000) is greater than itself. Its abundance is 64707840
Bases of 28748160
- Binary: 11011011010101001100000002
- Hexadecimal: 0x1B6A980
- Base-36: H4680
Squares and roots of 28748160
- 28748160 squared (287481602) is 826456703385600
- 28748160 cubed (287481603) is 23759109542001770496000
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The
square root of 28748160 is 5361.7310637517 -
The
cube root of 28748160 is 306.3397482347
Scales and comparisons
How big is 28748160?- 28,748,160 seconds is equal to 47 weeks, 3 days, 17 hours, 36 minutes.
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To count from 1 to 28,748,160 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 28748160 cubic inches would be around 25.5 feet tall.
Recreational maths with 28748160
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