121128906 is an even 9-digits composite number following 121128905
and preceding 121128907 . In scientific notation, it is written as 1.21128906 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 40376300 positive integers (up to 121128906) that are relatively prime to 121128906.
121128906 has 8 divisors, whose sum is 242257824
The reverse of 121128906 is 609821121
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-one million one hundred twenty-eight thousand nine hundred six
Scientific notation
1.21128906 × 10^8
Engineering notation
1.21128906 × 10^6
Prime Factorization
2 × 3 × 20188151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121128906
Product of the distinct prime numbers
The prime factorization of 121128906 is 2 × 3 × 20188151.
Since it has a total of 3 prime factors.
1 , 3 , 63 , 100 , 658 , 159 , 7844 , 4858 , 70435 , 17553 , 293538 , 167102 , 4607649 , 9640486 , 50381143 , 30136968 , 983519003 , 141601842 , 4280807158 , 1653245593
n×2
242257812
n×3
363386718
n×4
484515624
n×5
605644530
n÷2
60564453
n÷3
40376302
n÷3
30282226.5
n÷5
24225781.2
n2
14672211868756836
n3
1.7772289722627E+24
n4
2.1527380112169E+32
n5
2.6075880020332E+40
2 √n
11005.857803915
3 √n
494.78432395816
4 √n
104.90880708461
5 √n
41.366574482154
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
-121128905
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 121128906 can be divided by 8 positive divisors.
The sum of these divisors (counting 121128906) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001110000100011111001010
3
Ternary
22102220222121210
4
Quaternary
13032010133022
5
Quinary
222002111111
6
Senary
20004113550
8
Octal
716043712
10
Decimal
121128906
12
Duodecimal
346958b6
16
Hexadecimal
73847ca
20
Vigesimal
1hh1256
36
Base36
2047nu
md5
a389e1287236f5da2774a5d5baacb63b
sha1
9eb5a09ec3d82f5868addfdc761a3d7ee00cb17e
sha256
200707446ff71bd0918b77dce3811a7e266c8d41bb14b8fbd2d7bd0ac734633a
sha512
c0f5a230450ec0dab9159e3e60d8f4d2b40464203fef92191d1fd10feff08ab249b42d020cc5edba79dcf3d5a090b3d4fc8fa7f76e9e54bfd71b78a7b672d3a2
ripemd-160
6c356b87e7b98d75b6ebfcb2436bc598a2cd296d
Diameter
242257812
Circumference
761075362.45394
Area
4.6094113018799E+16
Volume
7.4444393106767E+24
Surface area
1.843764520752E+17
Circumference
761075362.45394
Perimeter
484515624
Area
14672211868756836
Diagonal
171302141.66062
Surface area
88033271212541016
Volume
1.7772289722627E+24
Space diagonal
209801419.45723
Perimeter
363386718
Area
6.3532541040255E+15
Altitude
104900709.72862
Surface area
6.3532541040255E+15
Volume
2.0944844300136E+23
Height
57100713.886872