28131740
28,131,740 is an even composite number composed of six prime numbers multiplied together.
28131740 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 28131740:
22 × 5 × 7 × 132 × 29 × 41
(2 × 2 × 5 × 7 × 13 × 13 × 29 × 41)See below for interesting mathematical facts about the number 28131740 from the Numbermatics database.
Names of 28131740
- Cardinal: 28131740 can be written as Twenty-eight million, one hundred thirty-one thousand, seven hundred forty.
Scientific notation
- Scientific notation: 2.813174 × 107
Factors of 28131740
Divisors of 28131740
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 4 5 7 10 13 14 20 26 28 29 35 41 52 58 65 70 82 91 116 130 140 145 164 169 182 203 205 260 287 290 338 364 377 406 410 455 533 574 580 676 754 812 820 845 910 1015 1066 1148 1183 1189 1435 1508 1690 1820 1885 2030 2132 2366 2378 2639 2665 2870 3380 3731 3770 4060 4732 4756 4901 5278 5330 5740 5915 5945 6929 7462 7540 8323 9802 10556 10660 11830 11890 13195 13858 14924 15457 16646 18655 19604 23660 23780 24505 26390 27716 30914 33292 34307 34645 37310 41615 48503 49010 52780 61828 68614 69290 74620 77285 83230 97006 98020 108199 137228 138580 154570 166460 171535 194012 200941 216398 242515 309140 343070 401882 432796 485030 540995 686140 803764 970060 1004705 1081990 1406587 2009410 2163980 2813174 4018820 5626348 7032935 14065870 28131740
- Sum of all divisors σ(n): 77474880
- Sum of proper divisors (its aliquot sum) s(n): 49343140
- 28131740 is an abundant number, because the sum of its proper divisors (49343140) is greater than itself. Its abundance is 21211400
Bases of 28131740
- Binary: 11010110101000001100111002
- Hexadecimal: 0x1AD419C
- Base-36: GQYL8
Squares and roots of 28131740
- 28131740 squared (281317402) is 791394795427600
- 28131740 cubed (281317403) is 22263312622322432024000
-
The
square root of 28131740 is 5303.9362741269 -
The
cube root of 28131740 is 304.1343906037
Scales and comparisons
How big is 28131740?- 28,131,740 seconds is equal to 46 weeks, 3 days, 14 hours, 22 minutes, 20 seconds.
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To count from 1 to 28,131,740 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 28131740 cubic inches would be around 25.3 feet tall.
Recreational maths with 28131740
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The information we have on file for 28131740 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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