51491885 is an odd 8-digits composite number following 51491884
and preceding 51491886 . In scientific notation, it is written as 5.1491885 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 40416064 positive integers (up to 51491885) that are relatively prime to 51491885.
51491885 has 8 divisors, whose sum is 62956440
The reverse of 51491885 is 58819415
Previous prime number is 194309
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
fifty-one million four hundred ninety-one thousand eight hundred eighty-five
Scientific notation
5.1491885 × 10^7
Engineering notation
5.1491885 × 10^6
Prime Factorization
5 × 194309 × 53
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
51491885
Product of the distinct prime numbers
The prime factorization of 51491885 is 5 × 194309 × 53.
Since it has a total of 3 prime factors.
7 , 4 , 57 , 56 , 825 , 629 , 1101 , 9617 , 91993 , 42854 , 168965 , 146754 , 3447986 , 3506485 , 39745526 , 50771968 , 37628604 , 266266306 , 2227355366 , 7728279924
n×2
102983770
n×3
154475655
n×4
205967540
n×5
257459425
n÷2
25745942.5
n÷3
17163961.666667
n÷3
12872971.25
n÷5
10298377
n2
2651414220853225
n3
1.3652631614754E+23
n4
7.0299973705427E+30
n5
3.6198781615429E+38
2 √n
7175.7846260879
3 √n
372.03140030547
4 √n
84.710003105229
5 √n
34.86163552973
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51491884
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51491885 can be divided by 8 positive divisors.
The sum of these divisors (counting 51491885) is 1, the average is 0.125.
Base
System
Value
2
Binary
11000100011011010000101101
3
Ternary
10120220001120212
4
Quaternary
3010123100231
5
Quinary
101140220020
6
Senary
5035352205
8
Octal
304332055
10
Decimal
51491885
12
Duodecimal
152b2665
16
Hexadecimal
311b42d
20
Vigesimal
g1g9e5
36
Base36
unne5
md5
c447f4edc0e47b49cfc6ee53c0af9e4b
sha1
91dd887f9accc50485a0e3aafad57c04c47acb56
sha256
04cb324790d3b15d90ff21e44954f7ddbe19626d26aa0bc9d271405bff6677b7
sha512
72dac47aeb8ea7921103e2a4982eba2a10f375f2e42dd86be53e505bdf8adfbbdf1be2ee516275b2ca90f3f92f829ca727d8793ff0d9632e4d42f75d3c756340
ripemd-160
613dec07fd10a51e85ea3e4796e675c306a4dc9e
Diameter
102983770
Circumference
323533055.27098
Area
8.329663437856E+15
Volume
5.7188009577438E+23
Surface area
3.3318653751424E+16
Circumference
323533055.27098
Perimeter
205967540
Area
2651414220853225
Diagonal
72820522.119156
Surface area
15908485325119350
Volume
1.3652631614754E+23
Space diagonal
89186560.997494
Perimeter
154475655
Area
1.1480960356071E+15
Altitude
44593280.498747
Surface area
1.1480960356071E+15
Volume
1.6089780659724E+22
Height
24273507.373052