129342838 is an even 9-digits composite number following 129342837
and preceding 129342839 . In scientific notation, it is written as 1.29342838 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 64671418 positive integers (up to 129342838) that are relatively prime to 129342838.
129342838 has 4 divisors, whose sum is 194014260
The reverse of 129342838 is 838243921
Previous prime number is 2
Is Prime? no Number parity even Number length 9 Sum of Digits 40 Digital Root 4
Name
one hundred twenty-nine million three hundred forty-two thousand eight hundred thirty-eight
Scientific notation
1.29342838 × 10^8
Engineering notation
1.29342838 × 10^6
Prime Factorization
2 × 64671419
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
129342838 Product of the distinct prime numbers
The prime factorization of 129342838 is 2 × 64671419.
Since it has a total of 2 prime factors.
9 , 4 , 51 , 90 , 569 , 417 , 1526 , 1149 , 81837 , 7557 , 80394 , 968646 , 1485378 , 1835750 , 28938239 , 68702537 , 765278242 , 540665500 , 1409240632 , 2966288673
n×2
258685676
n×3
388028514
n×4
517371352
n×5
646714190
n÷2
64671419
n÷3
43114279.333333
n÷3
32335709.5
n÷5
25868567.6
n2
16729569741894244
n3
2.1638500289355E+24
n4
2.798785037489E+32
n5
3.6200279970077E+40
2 √n11372.899278548
3 √n505.72465712593
4 √n106.6437962497
5 √n41.912973923648
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
-129342837 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 129342838 can be divided by 4 positive divisors.
The sum of these divisors (counting 129342838) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101011001110101110110
3
Ternary
100000101022000111
4
Quaternary
13231121311312
5
Quinary
231102432323
6
Senary
20500133234
8
Octal
755316566
10
Decimal
129342838
12
Duodecimal
3739721a
16
Hexadecimal
7b59d76
20
Vigesimal
2087h1i
36
Base36
2509km
md5
6add1c64db332c33e52331d329e47e97
sha1
2da5247b47a7bba9875b25f9c4bc3e310db20381
sha256
b592954f69a13202826e2e0d706679e77e5cce426c48518d3a39c3bbb5882d58
sha512
e272cbd266f354814593a05c84cad6f9e9ec2002601cb29dcafdd57b523f0d233a65bf597dcc13d1d5aabdbf46285afc96cf6815cef659998369095dc529f2d2
ripemd-160
e4ca3e9cedb362b69ef31bbdf011c8bfa0396790
Diameter
258685676
Circumference
812685019.31051
Area
5.2557493398853E+16
Volume
9.0639138058319E+24
Surface area
2.1022997359541E+17
Circumference
812685019.31051
Perimeter
517371352
Area
16729569741894244
Diagonal
182918395.69543
Surface area
100377418451365464
Volume
2.1638500289355E+24
Space diagonal
224028367.01115
Perimeter
388028514
Area
7.2441161954319E+15
Altitude
112014183.50558
Surface area
7.2441161954319E+15
Volume
2.550121714885E+23
Height
60972798.565142