261128188 is an even 9-digits composite number following 261128187
and preceding 261128189 . In scientific notation, it is written as 2.61128188 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 130531712 positive integers (up to 261128188) that are relatively prime to 261128188.
261128188 has 12 divisors, whose sum is 457087680
The reverse of 261128188 is 881821162
Previous prime number is 8609
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred sixty-one million one hundred twenty-eight thousand one hundred eighty-eight
Scientific notation
2.61128188 × 10^8
Engineering notation
2.61128188 × 10^6
Prime Factorization
2 × 2 × 8609 × 7583
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
130564094
Product of the distinct prime numbers
The prime factorization of 261128188 is 2 × 2 × 8609 × 7583.
Since it has a total of 4 prime factors.
2 , 4 , 3 , 36 , 467 , 916 , 7993 , 6598 , 27190 , 17456 , 524572 , 294605 , 5945077 , 5577249 , 30563123 , 74146677 , 586761560 , 436677743 , 7788312143 , 3712294019
n×2
522256376
n×3
783384564
n×4
1044512752
n×5
1305640940
n÷2
130564094
n÷3
87042729.333333
n÷3
65282047
n÷5
52225637.6
n2
68187930568163344
n3
1.7805790752734E+25
n4
4.6495938751687E+33
n5
1.2141400235587E+42
2 √n
16159.461253396
3 √n
639.17225998727
4 √n
127.11986962468
5 √n
48.235940527673
1 , 2 , 4 , 7583 , 8609 , 15166 , 17218 , 30332 , 34436 , 65282047 , 130564094 , 261128188
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261128187
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261128188 can be divided by 12 positive divisors.
The sum of these divisors (counting 261128188) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111100100000111111111111100
3
Ternary
200012100200112101
4
Quaternary
33210013333330
5
Quinary
1013322100223
6
Senary
41524514444
8
Octal
1744077774
10
Decimal
261128188
12
Duodecimal
7354ba24
16
Hexadecimal
f907ffc
20
Vigesimal
41c1098
36
Base36
4bgvss
md5
3e037d2c21a5f9f4cd290658437c3364
sha1
d6ba2065e3003432d258b1b56f82981bddb186da
sha256
6e4c8a8106773ea06905d61a33b5a470b2d3d0f46cd1c9a60884fa2e9eee5220
sha512
c2bdb5edf887e58e9d1baba58c9dd5899ef83829934dc671d3db0143fe0b78c248c9e48e58b7bfe07f9bd3000b8ebda4c4bd8a782e0da5bda1f1d5e8c7853a9f
ripemd-160
e07bc376e9f57baf5a71e3842b948bf50ca8f09f
Diameter
522256376
Circumference
1640716794.132
Area
2.1421870173643E+17
Volume
7.458472189353E+25
Surface area
8.5687480694573E+17
Circumference
1640716794.132
Perimeter
1044512752
Area
68187930568163344
Diagonal
369291024.98751
Surface area
409127583408980064
Volume
1.7805790752734E+25
Space diagonal
452287288.9044
Perimeter
783384564
Area
2.9526240051759E+16
Altitude
226143644.4522
Surface area
2.9526240051759E+16
Volume
2.0984325642745E+24
Height
123097008.32917