51128820
51,128,820 is an even composite number composed of five prime numbers multiplied together.
51128820 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 51128820:
22 × 34 × 5 × 37 × 853
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 37 × 853)See below for interesting mathematical facts about the number 51128820 from the Numbermatics database.
Names of 51128820
- Cardinal: 51128820 can be written as Fifty-one million, one hundred twenty-eight thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 5.112882 × 107
Factors of 51128820
Divisors of 51128820
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 37 45 54 60 74 81 90 108 111 135 148 162 180 185 222 270 324 333 370 405 444 540 555 666 740 810 853 999 1110 1332 1620 1665 1706 1998 2220 2559 2997 3330 3412 3996 4265 4995 5118 5994 6660 7677 8530 9990 10236 11988 12795 14985 15354 17060 19980 23031 25590 29970 30708 31561 38385 46062 51180 59940 63122 69093 76770 92124 94683 115155 126244 138186 153540 157805 189366 230310 276372 284049 315610 345465 378732 460620 473415 568098 631220 690930 852147 946830 1136196 1381860 1420245 1704294 1893660 2556441 2840490 3408588 4260735 5112882 5680980 8521470 10225764 12782205 17042940 25564410 51128820
- Sum of all divisors σ(n): 164921064
- Sum of proper divisors (its aliquot sum) s(n): 113792244
- 51128820 is an abundant number, because the sum of its proper divisors (113792244) is greater than itself. Its abundance is 62663424
Bases of 51128820
- Binary: 110000110000101001111101002
- Hexadecimal: 0x30C29F4
- Base-36: UFV90
Squares and roots of 51128820
- 51128820 squared (511288202) is 2614156234592400
- 51128820 cubed (511288203) is 133658723570352592968000
-
The
square root of 51128820 is 7150.4419443835 -
The
cube root of 51128820 is 371.1549496487
Scales and comparisons
How big is 51128820?- 51,128,820 seconds is equal to 1 year, 32 weeks, 3 days, 18 hours, 27 minutes.
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To count from 1 to 51,128,820 would take you about two years!
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 51128820 cubic inches would be around 30.9 feet tall.
Recreational maths with 51128820
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