129122618 is an even 9-digits composite number following 129122617
and preceding 129122619 . In scientific notation, it is written as 1.29122618 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 64290940 positive integers (up to 129122618) that are relatively prime to 129122618.
129122618 has 8 divisors, whose sum is 194495040
The reverse of 129122618 is 816221921
Previous prime number is 239
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million one hundred twenty-two thousand six hundred eighteen
Scientific notation
1.29122618 × 10^8
Engineering notation
1.29122618 × 10^6
Prime Factorization
2 × 239 × 270131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129122618
Product of the distinct prime numbers
The prime factorization of 129122618 is 2 × 239 × 270131.
Since it has a total of 3 prime factors.
7 , 9 , 30 , 8 , 945 , 332 , 6867 , 5069 , 1086 , 19207 , 637265 , 304118 , 9752781 , 5580443 , 25238992 , 96288188 , 606900351 , 975478682 , 3378317858 , 8649210994
n×2
258245236
n×3
387367854
n×4
516490472
n×5
645613090
n÷2
64561309
n÷3
43040872.666667
n÷3
32280654.5
n÷5
25824523.6
n2
16672650479173924
n3
2.1528162788699E+24
n4
2.779772740007E+32
n5
3.5893153363474E+40
2 √n
11363.213365945
3 √n
505.43747732688
4 √n
106.59837412431
5 √n
41.898691930512
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
-129122617
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 129122618 can be divided by 8 positive divisors.
The sum of these divisors (counting 129122618) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100100000100111010
3
Ternary
22222222002221012
4
Quaternary
13230210010322
5
Quinary
231023410433
6
Senary
20451313522
8
Octal
754440472
10
Decimal
129122618
12
Duodecimal
372ab8a2
16
Hexadecimal
7b2413a
20
Vigesimal
20706ai
36
Base36
24vjne
md5
f9817ff864a5daed47f3fbfb32ade8b8
sha1
80fee8e3d41e3535c2791074d09736758738d55e
sha256
85f8bbb3474fc53b90ea79dbbc4db1bfe0282cbf346f30fa1f2100458d3faa79
sha512
aed64baa812d81286690ed00704a7994266db25ea25e04b392a6ae2fd4b5c9e8a9194d705c2295062fa6fac6486804aa6805d4cea1692b979596917830d4e81a
ripemd-160
7008ba7a134661ca03cff8a8bc498e39e3ccf1a3
Diameter
258245236
Circumference
811301336.24216
Area
5.2378676261243E+16
Volume
9.0176957416349E+24
Surface area
2.0951470504497E+17
Circumference
811301336.24216
Perimeter
516490472
Area
16672650479173924
Diagonal
182606957.58472
Surface area
100035902875043544
Volume
2.1528162788699E+24
Space diagonal
223646934.78231
Perimeter
387367854
Area
7.2194694316917E+15
Altitude
111823467.39115
Surface area
7.2194694316917E+15
Volume
2.5371183157295E+23
Height
60868985.861573