28172664
28,172,664 is an even composite number composed of five prime numbers multiplied together.
28172664 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 28172664:
23 × 33 × 13 × 79 × 127
(2 × 2 × 2 × 3 × 3 × 3 × 13 × 79 × 127)See below for interesting mathematical facts about the number 28172664 from the Numbermatics database.
Names of 28172664
- Cardinal: 28172664 can be written as Twenty-eight million, one hundred seventy-two thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 2.8172664 × 107
Factors of 28172664
Divisors of 28172664
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 79 104 108 117 127 156 158 216 234 237 254 312 316 351 381 468 474 508 632 702 711 762 936 948 1016 1027 1143 1404 1422 1524 1651 1896 2054 2133 2286 2808 2844 3048 3081 3302 3429 4108 4266 4572 4953 5688 6162 6604 6858 8216 8532 9144 9243 9906 10033 12324 13208 13716 14859 17064 18486 19812 20066 24648 27432 27729 29718 30099 36972 39624 40132 44577 55458 59436 60198 73944 80264 89154 90297 110916 118872 120396 130429 178308 180594 221832 240792 260858 270891 356616 361188 391287 521716 541782 722376 782574 1043432 1083564 1173861 1565148 2167128 2347722 3130296 3521583 4695444 7043166 9390888 14086332 28172664
- Sum of all divisors σ(n): 86016000
- Sum of proper divisors (its aliquot sum) s(n): 57843336
- 28172664 is an abundant number, because the sum of its proper divisors (57843336) is greater than itself. Its abundance is 29670672
Bases of 28172664
- Binary: 11010110111100001011110002
- Hexadecimal: 0x1ADE178
- Base-36: GRU60
Squares and roots of 28172664
- 28172664 squared (281726642) is 793698996856896
- 28172664 cubed (281726643) is 22360615155586387090944
-
The
square root of 28172664 is 5307.7927615913 -
The
cube root of 28172664 is 304.2817966451
Scales and comparisons
How big is 28172664?- 28,172,664 seconds is equal to 46 weeks, 4 days, 1 hour, 44 minutes, 24 seconds.
-
To count from 1 to 28,172,664 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 28172664 cubic inches would be around 25.4 feet tall.
Recreational maths with 28172664
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The information we have on file for 28172664 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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