28908120
28,908,120 is an even composite number composed of six prime numbers multiplied together.
28908120 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 28908120:
23 × 3 × 5 × 19 × 31 × 409
(2 × 2 × 2 × 3 × 5 × 19 × 31 × 409)See below for interesting mathematical facts about the number 28908120 from the Numbermatics database.
Names of 28908120
- Cardinal: 28908120 can be written as Twenty-eight million, nine hundred eight thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.890812 × 107
Factors of 28908120
Divisors of 28908120
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 19 20 24 30 31 38 40 57 60 62 76 93 95 114 120 124 152 155 186 190 228 248 285 310 372 380 409 456 465 570 589 620 744 760 818 930 1140 1178 1227 1240 1636 1767 1860 2045 2280 2356 2454 2945 3272 3534 3720 4090 4712 4908 5890 6135 7068 7771 8180 8835 9816 11780 12270 12679 14136 15542 16360 17670 23313 23560 24540 25358 31084 35340 38037 38855 46626 49080 50716 62168 63395 70680 76074 77710 93252 101432 116565 126790 152148 155420 186504 190185 233130 240901 253580 304296 310840 380370 466260 481802 507160 722703 760740 932520 963604 1204505 1445406 1521480 1927208 2409010 2890812 3613515 4818020 5781624 7227030 9636040 14454060 28908120
- Sum of all divisors σ(n): 94464000
- Sum of proper divisors (its aliquot sum) s(n): 65555880
- 28908120 is an abundant number, because the sum of its proper divisors (65555880) is greater than itself. Its abundance is 36647760
Bases of 28908120
- Binary: 11011100100011010010110002
- Hexadecimal: 0x1B91A58
- Base-36: H7LNC
Squares and roots of 28908120
- 28908120 squared (289081202) is 835679401934400
- 28908120 cubed (289081203) is 24157920432647867328000
-
The
square root of 28908120 is 5376.6271955567 -
The
cube root of 28908120 is 306.9068743915
Scales and comparisons
How big is 28908120?- 28,908,120 seconds is equal to 47 weeks, 5 days, 14 hours, 2 minutes.
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To count from 1 to 28,908,120 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 28908120 cubic inches would be around 25.6 feet tall.
Recreational maths with 28908120
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The information we have on file for 28908120 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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