28772040
28,772,040 is an even composite number composed of six prime numbers multiplied together.
28772040 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 28772040:
23 × 3 × 5 × 11 × 71 × 307
(2 × 2 × 2 × 3 × 5 × 11 × 71 × 307)See below for interesting mathematical facts about the number 28772040 from the Numbermatics database.
Names of 28772040
- Cardinal: 28772040 can be written as Twenty-eight million, seven hundred seventy-two thousand and forty.
Scientific notation
- Scientific notation: 2.877204 × 107
Factors of 28772040
Divisors of 28772040
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 71 88 110 120 132 142 165 213 220 264 284 307 330 355 426 440 568 614 660 710 781 852 921 1065 1228 1320 1420 1535 1562 1704 1842 2130 2343 2456 2840 3070 3124 3377 3684 3905 4260 4605 4686 6140 6248 6754 7368 7810 8520 9210 9372 10131 11715 12280 13508 15620 16885 18420 18744 20262 21797 23430 27016 31240 33770 36840 40524 43594 46860 50655 65391 67540 81048 87188 93720 101310 108985 130782 135080 174376 202620 217970 239767 261564 326955 405240 435940 479534 523128 653910 719301 871880 959068 1198835 1307820 1438602 1918136 2397670 2615640 2877204 3596505 4795340 5754408 7193010 9590680 14386020 28772040
- Sum of all divisors σ(n): 95800320
- Sum of proper divisors (its aliquot sum) s(n): 67028280
- 28772040 is an abundant number, because the sum of its proper divisors (67028280) is greater than itself. Its abundance is 38256240
Bases of 28772040
- Binary: 11011011100000110110010002
- Hexadecimal: 0x1B706C8
- Base-36: H4ONC
Squares and roots of 28772040
- 28772040 squared (287720402) is 827830285761600
- 28772040 cubed (287720403) is 23818366095144185664000
-
The
square root of 28772040 is 5363.9574942387 -
The
cube root of 28772040 is 306.4245463409
Scales and comparisons
How big is 28772040?- 28,772,040 seconds is equal to 47 weeks, 4 days, 14 minutes.
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To count from 1 to 28,772,040 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 28772040 cubic inches would be around 25.5 feet tall.
Recreational maths with 28772040
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The information we have on file for 28772040 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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