28276920
28,276,920 is an even composite number composed of five prime numbers multiplied together.
28276920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 28276920:
23 × 32 × 5 × 73 × 229
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 7 × 7 × 229)See below for interesting mathematical facts about the number 28276920 from the Numbermatics database.
Names of 28276920
- Cardinal: 28276920 can be written as Twenty-eight million, two hundred seventy-six thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.827692 × 107
Factors of 28276920
Divisors of 28276920
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 49 56 60 63 70 72 84 90 98 105 120 126 140 147 168 180 196 210 229 245 252 280 294 315 343 360 392 420 441 458 490 504 588 630 686 687 735 840 882 916 980 1029 1145 1176 1260 1372 1374 1470 1603 1715 1764 1832 1960 2058 2061 2205 2290 2520 2744 2748 2940 3087 3206 3430 3435 3528 4116 4122 4410 4580 4809 5145 5496 5880 6174 6412 6860 6870 8015 8232 8244 8820 9160 9618 10290 10305 11221 12348 12824 13720 13740 14427 15435 16030 16488 17640 19236 20580 20610 22442 24045 24696 27480 28854 30870 32060 33663 38472 41160 41220 44884 48090 56105 57708 61740 64120 67326 72135 78547 82440 89768 96180 100989 112210 115416 123480 134652 144270 157094 168315 192360 201978 224420 235641 269304 288540 314188 336630 392735 403956 448840 471282 504945 577080 628376 673260 706923 785470 807912 942564 1009890 1178205 1346520 1413846 1570940 1885128 2019780 2356410 2827692 3141880 3534615 4039560 4712820 5655384 7069230 9425640 14138460 28276920
- Sum of all divisors σ(n): 107640000
- Sum of proper divisors (its aliquot sum) s(n): 79363080
- 28276920 is an abundant number, because the sum of its proper divisors (79363080) is greater than itself. Its abundance is 51086160
Bases of 28276920
- Binary: 11010111101111000101110002
- Hexadecimal: 0x1AF78B8
- Base-36: GU2M0
Squares and roots of 28276920
- 28276920 squared (282769202) is 799584204686400
- 28276920 cubed (282769203) is 22609778589180957888000
-
The
square root of 28276920 is 5317.6047239335 -
The
cube root of 28276920 is 304.6566771975
Scales and comparisons
How big is 28276920?- 28,276,920 seconds is equal to 46 weeks, 5 days, 6 hours, 42 minutes.
-
To count from 1 to 28,276,920 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 28276920 cubic inches would be around 25.4 feet tall.
Recreational maths with 28276920
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