28868400
28,868,400 is an even composite number composed of four prime numbers multiplied together.
28868400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred seventy divisors.
Prime factorization of 28868400:
24 × 38 × 52 × 11
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 11)See below for interesting mathematical facts about the number 28868400 from the Numbermatics database.
Names of 28868400
- Cardinal: 28868400 can be written as Twenty-eight million, eight hundred sixty-eight thousand, four hundred.
Scientific notation
- Scientific notation: 2.88684 × 107
Factors of 28868400
Divisors of 28868400
- Number of divisors d(n): 270
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 27 30 33 36 40 44 45 48 50 54 55 60 66 72 75 80 81 88 90 99 100 108 110 120 132 135 144 150 162 165 176 180 198 200 216 220 225 240 243 264 270 275 297 300 324 330 360 396 400 405 432 440 450 486 495 528 540 550 594 600 648 660 675 720 729 792 810 825 880 891 900 972 990 1080 1100 1188 1200 1215 1296 1320 1350 1458 1485 1584 1620 1650 1782 1800 1944 1980 2025 2160 2187 2200 2376 2430 2475 2640 2673 2700 2916 2970 3240 3300 3564 3600 3645 3888 3960 4050 4374 4400 4455 4752 4860 4950 5346 5400 5832 5940 6075 6480 6561 6600 7128 7290 7425 7920 8019 8100 8748 8910 9720 9900 10692 10800 10935 11664 11880 12150 13122 13200 13365 14256 14580 14850 16038 16200 17496 17820 18225 19440 19800 21384 21870 22275 23760 24057 24300 26244 26730 29160 29700 32076 32400 32805 34992 35640 36450 39600 40095 42768 43740 44550 48114 48600 52488 53460 54675 58320 59400 64152 65610 66825 71280 72171 72900 80190 87480 89100 96228 97200 104976 106920 109350 118800 120285 128304 131220 133650 144342 145800 160380 164025 174960 178200 192456 200475 213840 218700 240570 262440 267300 288684 291600 320760 328050 356400 360855 384912 400950 437400 481140 524880 534600 577368 601425 641520 656100 721710 801900 874800 962280 1069200 1154736 1202850 1312200 1443420 1603800 1804275 1924560 2405700 2624400 2886840 3207600 3608550 4811400 5773680 7217100 9622800 14434200 28868400
- Sum of all divisors σ(n): 113486412
- Sum of proper divisors (its aliquot sum) s(n): 84618012
- 28868400 is an abundant number, because the sum of its proper divisors (84618012) is greater than itself. Its abundance is 55749612
Bases of 28868400
- Binary: 11011100001111111001100002
- Hexadecimal: 0x1B87F30
- Base-36: H6R00
Squares and roots of 28868400
- 28868400 squared (288684002) is 833384518560000
- 28868400 cubed (288684003) is 24058477635597504000000
-
The
square root of 28868400 is 5372.9321603757 -
The
cube root of 28868400 is 306.7662457545
Scales and comparisons
How big is 28868400?- 28,868,400 seconds is equal to 47 weeks, 5 days, 3 hours.
-
To count from 1 to 28,868,400 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 28868400 cubic inches would be around 25.6 feet tall.
Recreational maths with 28868400
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The information we have on file for 28868400 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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