129678438 is an even 9-digits composite number following 129678437
and preceding 129678439 . In scientific notation, it is written as 1.29678438 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 43112520 positive integers (up to 129678438) that are relatively prime to 129678438.
129678438 has 16 divisors, whose sum is 260038656
The reverse of 129678438 is 834876921
Previous prime number is 383
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-nine million six hundred seventy-eight thousand four hundred thirty-eight
Scientific notation
1.29678438 × 10^8
Engineering notation
1.29678438 × 10^6
Prime Factorization
2 × 3 × 383 × 56431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129678438
Product of the distinct prime numbers
The prime factorization of 129678438 is 2 × 3 × 383 × 56431.
Since it has a total of 4 prime factors.
8 , 9 , 39 , 50 , 57 , 254 , 3949 , 4511 , 78124 , 3943 , 429421 , 911895 , 5579639 , 1434620 , 78492808 , 96809210 , 859957357 , 134476381 , 1355972326 , 2239518191
n×2
259356876
n×3
389035314
n×4
518713752
n×5
648392190
n÷2
64839219
n÷3
43226146
n÷3
32419609.5
n÷5
25935687.6
n2
16816497282119844
n3
2.1807371001765E+24
n4
2.8279458083954E+32
n5
3.6672359518137E+40
2 √n
11387.64409349
3 √n
506.16167299137
4 √n
106.71290499977
5 √n
41.934701324086
1 , 2 , 3 , 6 , 383 , 766 , 1149 , 2298 , 56431 , 112862 , 169293 , 338586 , 21613073 , 43226146 , 64839219 , 129678438
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129678437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129678438 can be divided by 16 positive divisors.
The sum of these divisors (counting 129678438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110101011110001100110
3
Ternary
100001000100101010
4
Quaternary
13232223301212
5
Quinary
231144202223
6
Senary
20511243050
8
Octal
756536146
10
Decimal
129678438
12
Duodecimal
37519486
16
Hexadecimal
7babc66
20
Vigesimal
20a9g1i
36
Base36
257giu
md5
7a8bd03dce77ecf1047ff128e84d778d
sha1
50d1ea41c221924a0c9f33678f623dc8f50b5974
sha256
2f777d640f837312376aeed561d901f783e8656412879b54027368c4aab35715
sha512
71deca0721f8fcf215c033f1dabaa3f996adc45b6908c0b422de48f90e7b03e3820b6fc38783b904ceae96ddfc25831601e3baac83b3eb7c63b3896985a14a23
ripemd-160
c43b6123c84d0b834b0731106791b6044c88f225
Diameter
259356876
Circumference
814793656.2996
Area
5.283058432062E+16
Volume
9.1346502044338E+24
Surface area
2.1132233728248E+17
Circumference
814793656.2996
Perimeter
518713752
Area
16816497282119844
Diagonal
183393005.76696
Surface area
100898983692719064
Volume
2.1807371001765E+24
Space diagonal
224609643.26217
Perimeter
389035314
Area
7.2817569244939E+15
Altitude
112304821.63109
Surface area
7.2817569244939E+15
Volume
2.5700233191999E+23
Height
61131001.92232