129138 is an even 6-digits composite number following 129137
and preceding 129139 . In scientific notation, it is written as 1.29138 × 10^5.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 43044 positive integers (up to 129138) that are relatively prime to 129138.
129138 has 8 divisors, whose sum is 258288
The reverse of 129138 is 831921
Previous prime number is 3
Is Prime? no
Number parity even
Number length 6
Sum of Digits 24
Digital Root 6
Name
one hundred twenty-nine thousand one hundred thirty-eight
Scientific notation
1.29138 × 10^5
Engineering notation
1.29138 × 10^3
Prime Factorization
2 × 3 × 21523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129138
Product of the distinct prime numbers
The prime factorization of 129138 is 2 × 3 × 21523.
Since it has a total of 3 prime factors.
9 , 5 , 32 , 38 , 617 , 229 , 2927 , 9822 , 60202 , 395 , 237951 , 860381 , 9890768 , 8568968 , 37970984 , 77471125 , 92176856 , 232298998 , 7407777511 , 2930779715
n×2
258276
n×3
387414
n×4
516552
n×5
645690
n÷2
64569
n÷3
43046
n÷3
32284.5
n÷5
25827.6
n2
16676623044
n3
2153585746656072
n4
2.7810975615167E+20
n5
3.5914537689915E+25
2 √n
359.35776045607
3 √n
50.545754695964
4 √n
18.95673390793
5 √n
10.524726313879
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
-129137
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 129138 can be divided by 8 positive divisors.
The sum of these divisors (counting 129138) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111100001110010
3
Ternary
20120010220
4
Quaternary
133201302
5
Quinary
13113023
6
Senary
2433510
8
Octal
374162
10
Decimal
129138
12
Duodecimal
62896
16
Hexadecimal
1f872
20
Vigesimal
g2gi
36
Base36
2rn6
md5
854a352d74556f9617875e1e09eb9d73
sha1
0d4ff84551d5a788fcf82a837f8ddc35b6520e54
sha256
93dfda681a5f391d50317af6586937b705569e01cbe501b1c5b016baf29688d3
sha512
b92f5658b111cc6cf8ea28b0467301e70bb1328be1ae544bf8d097822473850eba465a122045e8d8d5463733197f9a9c50c31e4d562d34ca848ad8269df270bd
ripemd-160
249eff1e3fb18940aca3044c826d7154b6dd2d25
Diameter
258276
Circumference
811397.98419856
Area
52391156441.717
Volume
9.0209188807605E+15
Surface area
209564625766.87
Circumference
811397.98419856
Perimeter
516552
Area
16676623044
Diagonal
182628.71101774
Surface area
100059738264
Volume
2153585746656072
Space diagonal
223673.57718783
Perimeter
387414
Area
7221189602.7205
Altitude
111836.78859391
Surface area
7221189602.7205
Volume
2.538025142212E+14
Height
60876.237005912