28970040
28,970,040 is an even composite number composed of six prime numbers multiplied together.
28970040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 28970040:
23 × 3 × 5 × 11 × 17 × 1291
(2 × 2 × 2 × 3 × 5 × 11 × 17 × 1291)See below for interesting mathematical facts about the number 28970040 from the Numbermatics database.
Names of 28970040
- Cardinal: 28970040 can be written as Twenty-eight million, nine hundred seventy thousand and forty.
Scientific notation
- Scientific notation: 2.897004 × 107
Factors of 28970040
Divisors of 28970040
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 17 20 22 24 30 33 34 40 44 51 55 60 66 68 85 88 102 110 120 132 136 165 170 187 204 220 255 264 330 340 374 408 440 510 561 660 680 748 935 1020 1122 1291 1320 1496 1870 2040 2244 2582 2805 3740 3873 4488 5164 5610 6455 7480 7746 10328 11220 12910 14201 15492 19365 21947 22440 25820 28402 30984 38730 42603 43894 51640 56804 65841 71005 77460 85206 87788 109735 113608 131682 142010 154920 170412 175576 213015 219470 241417 263364 284020 329205 340824 426030 438940 482834 526728 568040 658410 724251 852060 877880 965668 1207085 1316820 1448502 1704120 1931336 2414170 2633640 2897004 3621255 4828340 5794008 7242510 9656680 14485020 28970040
- Sum of all divisors σ(n): 100465920
- Sum of proper divisors (its aliquot sum) s(n): 71495880
- 28970040 is an abundant number, because the sum of its proper divisors (71495880) is greater than itself. Its abundance is 42525840
Bases of 28970040
- Binary: 11011101000001100001110002
- Hexadecimal: 0x1BA0C38
- Base-36: H8XFC
Squares and roots of 28970040
- 28970040 squared (289700402) is 839263217601600
- 28970040 cubed (289700403) is 24313488984447056064000
-
The
square root of 28970040 is 5382.3823721471 -
The
cube root of 28970040 is 307.1258454095
Scales and comparisons
How big is 28970040?- 28,970,040 seconds is equal to 47 weeks, 6 days, 7 hours, 14 minutes.
-
To count from 1 to 28,970,040 would take you about nineteen 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 28970040 cubic inches would be around 25.6 feet tall.
Recreational maths with 28970040
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The information we have on file for 28970040 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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