28320640
28,320,640 is an even composite number composed of five prime numbers multiplied together.
28320640 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 28320640:
27 × 5 × 17 × 19 × 137
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 19 × 137)See below for interesting mathematical facts about the number 28320640 from the Numbermatics database.
Names of 28320640
- Cardinal: 28320640 can be written as Twenty-eight million, three hundred twenty thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.832064 × 107
Factors of 28320640
Divisors of 28320640
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 16 17 19 20 32 34 38 40 64 68 76 80 85 95 128 136 137 152 160 170 190 272 274 304 320 323 340 380 544 548 608 640 646 680 685 760 1088 1096 1216 1292 1360 1370 1520 1615 2176 2192 2329 2432 2584 2603 2720 2740 3040 3230 4384 4658 5168 5206 5440 5480 6080 6460 8768 9316 10336 10412 10880 10960 11645 12160 12920 13015 17536 18632 20672 20824 21920 23290 25840 26030 37264 41344 41648 43840 44251 46580 51680 52060 74528 83296 87680 88502 93160 103360 104120 149056 166592 177004 186320 206720 208240 221255 298112 333184 354008 372640 416480 442510 708016 745280 832960 885020 1416032 1490560 1665920 1770040 2832064 3540080 5664128 7080160 14160320 28320640
- Sum of all divisors σ(n): 76010400
- Sum of proper divisors (its aliquot sum) s(n): 47689760
- 28320640 is an abundant number, because the sum of its proper divisors (47689760) is greater than itself. Its abundance is 19369120
Bases of 28320640
- Binary: 11011000000100011100000002
- Hexadecimal: 0x1B02380
- Base-36: GV0CG
Squares and roots of 28320640
- 28320640 squared (283206402) is 802058650009600
- 28320640 cubed (283206403) is 22714814285807878144000
-
The
square root of 28320640 is 5321.7140096025 -
The
cube root of 28320640 is 304.8136100269
Scales and comparisons
How big is 28320640?- 28,320,640 seconds is equal to 46 weeks, 5 days, 18 hours, 50 minutes, 40 seconds.
-
To count from 1 to 28,320,640 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 28320640 cubic inches would be around 25.4 feet tall.
Recreational maths with 28320640
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The information we have on file for 28320640 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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