128132261 is an odd 9-digits composite number following 128132260
and preceding 128132262 . In scientific notation, it is written as 1.28132261 × 10^8.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 128077452 positive integers (up to 128132261) that are relatively prime to 128132261.
128132261 has 4 divisors, whose sum is 128187072
The reverse of 128132261 is 162231821
Previous prime number is 2447
Is Prime? no Number parity odd Number length 9 Sum of Digits 26 Digital Root 8
Name
one hundred twenty-eight million one hundred thirty-two thousand two hundred sixty-one
Scientific notation
1.28132261 × 10^8
Engineering notation
1.28132261 × 10^6
Prime Factorization
2447 × 52363
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128132261 Product of the distinct prime numbers
The prime factorization of 128132261 is 2447 × 52363.
Since it has a total of 2 prime factors.
7 , 7 , 55 , 37 , 317 , 185 , 1962 , 427 , 46557 , 72948 , 735132 , 587526 , 6895405 , 6830732 , 90453943 , 15236818 , 493888762 , 971201821 , 6816040504 , 9167395924
n×2
256264522
n×3
384396783
n×4
512529044
n×5
640661305
n÷2
64066130.5
n÷3
42710753.666667
n÷3
32033065.25
n÷5
25626452.2
n2
16417876308972121
n3
2.1036596122869E+24
n4
2.6954666249671E+32
n5
3.4537623310707E+40
2 √n11319.552155452
3 √n504.14194189096
4 √n106.39338398346
5 √n41.83422211664
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
-128132260 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 128132261 can be divided by 4 positive divisors.
The sum of these divisors (counting 128132261) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000110010010010100101
3
Ternary
22221002210102022
4
Quaternary
13220302102211
5
Quinary
230300213021
6
Senary
20414152525
8
Octal
750622245
10
Decimal
128132261
12
Duodecimal
36ab2745
16
Hexadecimal
7a324a5
20
Vigesimal
200gad1
36
Base36
24abhh
md5
b100dd5fc2df110949dd25ae34c67096
sha1
b919ab6b0ceac1e1770ec84f10d6b49283a09fc4
sha256
7da78dc390aa9b97477cecdd887247551da2c46f91c7e701eaa23b40a515e1bf
sha512
5278724dc07e633dbfa30837a76caf6d713cfeedd141482afb229d06f6a261bada42b4a6f47f06d601d0c383ab1fb588cb451b400f9a610a1932990d4599bd3d
ripemd-160
e681837f6796382e71909c1ecef2e8fe4346c4c4
Diameter
256264522
Circumference
805078739.6909
Area
5.1578279599813E+16
Volume
8.8117887781522E+24
Surface area
2.0631311839925E+17
Circumference
805078739.6909
Perimeter
512529044
Area
16417876308972121
Diagonal
181206381.28373
Surface area
98507257853832726
Volume
2.1036596122869E+24
Space diagonal
221931586.14068
Perimeter
384396783
Area
7.1091489798803E+15
Altitude
110965793.07034
Surface area
7.1091489798803E+15
Volume
2.4791866285939E+23
Height
60402127.094576