28772800
28,772,800 is an even composite number composed of four prime numbers multiplied together.
28772800 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-six divisors.
Prime factorization of 28772800:
26 × 52 × 72 × 367
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 7 × 7 × 367)See below for interesting mathematical facts about the number 28772800 from the Numbermatics database.
Names of 28772800
- Cardinal: 28772800 can be written as Twenty-eight million, seven hundred seventy-two thousand, eight hundred.
Scientific notation
- Scientific notation: 2.87728 × 107
Factors of 28772800
Divisors of 28772800
- Number of divisors d(n): 126
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 64 70 80 98 100 112 140 160 175 196 200 224 245 280 320 350 367 392 400 448 490 560 700 734 784 800 980 1120 1225 1400 1468 1568 1600 1835 1960 2240 2450 2569 2800 2936 3136 3670 3920 4900 5138 5600 5872 7340 7840 9175 9800 10276 11200 11744 12845 14680 15680 17983 18350 19600 20552 23488 25690 29360 35966 36700 39200 41104 51380 58720 64225 71932 73400 78400 82208 89915 102760 117440 128450 143864 146800 164416 179830 205520 256900 287728 293600 359660 411040 449575 513800 575456 587200 719320 822080 899150 1027600 1150912 1438640 1798300 2055200 2877280 3596600 4110400 5754560 7193200 14386400 28772800
- Sum of all divisors σ(n): 82582512
- Sum of proper divisors (its aliquot sum) s(n): 53809712
- 28772800 is an abundant number, because the sum of its proper divisors (53809712) is greater than itself. Its abundance is 25036912
Bases of 28772800
- Binary: 11011011100001001110000002
- Hexadecimal: 0x1B709C0
- Base-36: H4P8G
Squares and roots of 28772800
- 28772800 squared (287728002) is 827874019840000
- 28772800 cubed (287728003) is 23820253598052352000000
-
The
square root of 28772800 is 5364.0283369869 -
The
cube root of 28772800 is 306.4272443375
Scales and comparisons
How big is 28772800?- 28,772,800 seconds is equal to 47 weeks, 4 days, 26 minutes, 40 seconds.
-
To count from 1 to 28,772,800 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 28772800 cubic inches would be around 25.5 feet tall.
Recreational maths with 28772800
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The information we have on file for 28772800 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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