28464128
28,464,128 is an even composite number composed of four prime numbers multiplied together.
28464128 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred thirty-two divisors.
Prime factorization of 28464128:
210 × 7 × 11 × 192
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 11 × 19 × 19)See below for interesting mathematical facts about the number 28464128 from the Numbermatics database.
Names of 28464128
- Cardinal: 28464128 can be written as Twenty-eight million, four hundred sixty-four thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 2.8464128 × 107
Factors of 28464128
Divisors of 28464128
- Number of divisors d(n): 132
-
Complete list of divisors:
1 2 4 7 8 11 14 16 19 22 28 32 38 44 56 64 76 77 88 112 128 133 152 154 176 209 224 256 266 304 308 352 361 418 448 512 532 608 616 704 722 836 896 1024 1064 1216 1232 1408 1444 1463 1672 1792 2128 2432 2464 2527 2816 2888 2926 3344 3584 3971 4256 4864 4928 5054 5632 5776 5852 6688 7168 7942 8512 9728 9856 10108 11264 11552 11704 13376 15884 17024 19456 19712 20216 23104 23408 26752 27797 31768 34048 39424 40432 46208 46816 53504 55594 63536 68096 78848 80864 92416 93632 107008 111188 127072 136192 161728 184832 187264 214016 222376 254144 323456 369664 374528 444752 508288 646912 749056 889504 1016576 1293824 1498112 1779008 2033152 2587648 3558016 4066304 7116032 14232064 28464128
- Sum of all divisors σ(n): 74871072
- Sum of proper divisors (its aliquot sum) s(n): 46406944
- 28464128 is an abundant number, because the sum of its proper divisors (46406944) is greater than itself. Its abundance is 17942816
Bases of 28464128
- Binary: 11011001001010100000000002
- Hexadecimal: 0x1B25400
- Base-36: GY328
Squares and roots of 28464128
- 28464128 squared (284641282) is 810206582800384
- 28464128 cubed (284641283) is 23061823879272728625152
-
The
square root of 28464128 is 5335.1783475345 -
The
cube root of 28464128 is 305.3275277569
Scales and comparisons
How big is 28464128?- 28,464,128 seconds is equal to 47 weeks, 10 hours, 42 minutes, 8 seconds.
-
To count from 1 to 28,464,128 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 28464128 cubic inches would be around 25.4 feet tall.
Recreational maths with 28464128
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