28209480
28,209,480 is an even composite number composed of five prime numbers multiplied together.
28209480 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 28209480:
23 × 3 × 5 × 133 × 107
(2 × 2 × 2 × 3 × 5 × 13 × 13 × 13 × 107)See below for interesting mathematical facts about the number 28209480 from the Numbermatics database.
Names of 28209480
- Cardinal: 28209480 can be written as Twenty-eight million, two hundred nine thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.820948 × 107
Factors of 28209480
Divisors of 28209480
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 107 120 130 156 169 195 214 260 312 321 338 390 428 507 520 535 642 676 780 845 856 1014 1070 1284 1352 1391 1560 1605 1690 2028 2140 2197 2535 2568 2782 3210 3380 4056 4173 4280 4394 5070 5564 6420 6591 6760 6955 8346 8788 10140 10985 11128 12840 13182 13910 16692 17576 18083 20280 20865 21970 26364 27820 32955 33384 36166 41730 43940 52728 54249 55640 65910 72332 83460 87880 90415 108498 131820 144664 166920 180830 216996 235079 263640 271245 361660 433992 470158 542490 705237 723320 940316 1084980 1175395 1410474 1880632 2169960 2350790 2820948 3526185 4701580 5641896 7052370 9403160 14104740 28209480
- Sum of all divisors σ(n): 92534400
- Sum of proper divisors (its aliquot sum) s(n): 64324920
- 28209480 is an abundant number, because the sum of its proper divisors (64324920) is greater than itself. Its abundance is 36115440
Bases of 28209480
- Binary: 11010111001110001010010002
- Hexadecimal: 0x1AE7148
- Base-36: GSMKO
Squares and roots of 28209480
- 28209480 squared (282094802) is 795774761870400
- 28209480 cubed (282094803) is 22448392229487811392000
-
The
square root of 28209480 is 5311.2597375763 -
The
cube root of 28209480 is 304.4142839669
Scales and comparisons
How big is 28209480?- 28,209,480 seconds is equal to 46 weeks, 4 days, 11 hours, 58 minutes.
-
To count from 1 to 28,209,480 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 28209480 cubic inches would be around 25.4 feet tall.
Recreational maths with 28209480
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The information we have on file for 28209480 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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