28164864
28,164,864 is an even composite number composed of five prime numbers multiplied together.
28164864 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 28164864:
28 × 3 × 7 × 132 × 31
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 13 × 13 × 31)See below for interesting mathematical facts about the number 28164864 from the Numbermatics database.
Names of 28164864
- Cardinal: 28164864 can be written as Twenty-eight million, one hundred sixty-four thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 2.8164864 × 107
Factors of 28164864
Divisors of 28164864
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 31 32 39 42 48 52 56 62 64 78 84 91 93 96 104 112 124 128 156 168 169 182 186 192 208 217 224 248 256 273 312 336 338 364 372 384 403 416 434 448 496 507 546 624 651 672 676 728 744 768 806 832 868 896 992 1014 1092 1183 1209 1248 1302 1344 1352 1456 1488 1612 1664 1736 1792 1984 2028 2184 2366 2418 2496 2604 2688 2704 2821 2912 2976 3224 3328 3472 3549 3968 4056 4368 4732 4836 4992 5208 5239 5376 5408 5642 5824 5952 6448 6944 7098 7936 8112 8463 8736 9464 9672 9984 10416 10478 10816 11284 11648 11904 12896 13888 14196 15717 16224 16926 17472 18928 19344 20832 20956 21632 22568 23296 23808 25792 27776 28392 31434 32448 33852 34944 36673 37856 38688 41664 41912 43264 45136 51584 55552 56784 62868 64896 67704 69888 73346 75712 77376 83328 83824 90272 103168 110019 113568 125736 129792 135408 146692 151424 154752 166656 167648 180544 220038 227136 251472 270816 293384 302848 309504 335296 361088 440076 454272 502944 541632 586768 670592 722176 880152 908544 1005888 1083264 1173536 1341184 1760304 2011776 2166528 2347072 3520608 4023552 4694144 7041216 9388288 14082432 28164864
- Sum of all divisors σ(n): 95757312
- Sum of proper divisors (its aliquot sum) s(n): 67592448
- 28164864 is an abundant number, because the sum of its proper divisors (67592448) is greater than itself. Its abundance is 39427584
Bases of 28164864
- Binary: 11010110111000011000000002
- Hexadecimal: 0x1ADC300
- Base-36: GRO5C
Squares and roots of 28164864
- 28164864 squared (281648642) is 793259564138496
- 28164864 cubed (281648643) is 22342047740660017004544
-
The
square root of 28164864 is 5307.0579420239 -
The
cube root of 28164864 is 304.2537124819
Scales and comparisons
How big is 28164864?- 28,164,864 seconds is equal to 46 weeks, 3 days, 23 hours, 34 minutes, 24 seconds.
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To count from 1 to 28,164,864 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 28164864 cubic inches would be around 25.4 feet tall.
Recreational maths with 28164864
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Keywords: Divisors of 28164864, math, Factors of 28164864, curriculum, school, college, exams, university, Prime factorization of 28164864, STEM, science, technology, engineering, physics, economics, calculator, twenty-eight million, one hundred sixty-four thousand, eight hundred sixty-four.