51142720
51,142,720 is an even composite number composed of four prime numbers multiplied together.
51142720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.
Prime factorization of 51142720:
26 × 5 × 71 × 2251
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 71 × 2251)See below for interesting mathematical facts about the number 51142720 from the Numbermatics database.
Names of 51142720
- Cardinal: 51142720 can be written as Fifty-one million, one hundred forty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 5.114272 × 107
Factors of 51142720
Divisors of 51142720
- Number of divisors d(n): 56
-
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 71 80 142 160 284 320 355 568 710 1136 1420 2251 2272 2840 4502 4544 5680 9004 11255 11360 18008 22510 22720 36016 45020 72032 90040 144064 159821 180080 319642 360160 639284 720320 799105 1278568 1598210 2557136 3196420 5114272 6392840 10228544 12785680 25571360 51142720
- Sum of all divisors σ(n): 123553728
- Sum of proper divisors (its aliquot sum) s(n): 72411008
- 51142720 is an abundant number, because the sum of its proper divisors (72411008) is greater than itself. Its abundance is 21268288
Bases of 51142720
- Binary: 110000110001100000010000002
- Hexadecimal: 0x30C6040
- Base-36: UG5Z4
Squares and roots of 51142720
- 51142720 squared (511427202) is 2615577808998400
- 51142720 cubed (511427203) is 133767763523818651648000
-
The
square root of 51142720 is 7151.4138462263 -
The
cube root of 51142720 is 371.1885809507
Scales and comparisons
How big is 51142720?- 51,142,720 seconds is equal to 1 year, 32 weeks, 3 days, 22 hours, 18 minutes, 40 seconds.
-
To count from 1 to 51,142,720 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 51142720 cubic inches would be around 30.9 feet tall.
Recreational maths with 51142720
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The information we have on file for 51142720 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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