51285887 is an odd 8-digits composite number following 51285886
and preceding 51285888 . In scientific notation, it is written as 5.1285887 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 50520360 positive integers (up to 51285887) that are relatively prime to 51285887.
51285887 has 4 divisors, whose sum is 52051416
The reverse of 51285887 is 78858215
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
fifty-one million two hundred eighty-five thousand eight hundred eighty-seven
Scientific notation
5.1285887 × 10^7
Engineering notation
5.1285887 × 10^6
Prime Factorization
67 × 765461
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
51285887
Product of the distinct prime numbers
The prime factorization of 51285887 is 67 × 765461.
Since it has a total of 2 prime factors.
3 , 9 , 87 , 30 , 204 , 115 , 1509 , 655 , 96387 , 29561 , 939945 , 674950 , 1388099 , 7880626 , 36173321 , 57608071 , 217242541 , 726584904 , 1340109214 , 1729071409
n×2
102571774
n×3
153857661
n×4
205143548
n×5
256429435
n÷2
25642943.5
n÷3
17095295.666667
n÷3
12821471.75
n÷5
10257177.4
n2
2630242205376769
n3
1.3489430452758E+23
n4
6.9181740589452E+30
n5
3.548046930334E+38
2 √n
7161.4165498175
3 √n
371.53462202093
4 √n
84.625153174559
5 √n
34.833697353293
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51285886
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51285887 can be divided by 4 positive divisors.
The sum of these divisors (counting 51285887) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000011101000111101111111
3
Ternary
10120111121000022
4
Quaternary
3003220331333
5
Quinary
101112122022
6
Senary
5031122355
8
Octal
303507577
10
Decimal
51285887
12
Duodecimal
152133bb
16
Hexadecimal
30e8f7f
20
Vigesimal
g0aee7
36
Base36
uj8fz
md5
d81dcbf40b342db32ee752b02e202565
sha1
f856ba3e02a65732664264c4e842e428017e73c5
sha256
fee57678f63e4b37d18f9282a786fdb96bff854bdda524b2a826373e1c8d63c3
sha512
0c75bd580571f65eca036fab7d4bea262fb4801858527c602b4cc604ec304f5530a502b18b2a93e63763238175dd26c3c888cd9de86f12670ebf0bfbf25f1d53
ripemd-160
91f81570bb4e84503e4f5ab334cecb3f54f81a03
Diameter
102571774
Circumference
322238731.66407
Area
8.2631495895735E+15
Volume
5.6504394148662E+23
Surface area
3.3052598358294E+16
Circumference
322238731.66407
Perimeter
205143548
Area
2630242205376769
Diagonal
72529196.953734
Surface area
15781453232260614
Volume
1.3489430452758E+23
Space diagonal
88829761.995236
Perimeter
153857661
Area
1.1389282839811E+15
Altitude
44414880.997618
Surface area
1.1389282839811E+15
Volume
1.5897446245816E+22
Height
24176398.984578