129136978 is an even 9-digits composite number following 129136977
and preceding 129136979 . In scientific notation, it is written as 1.29136978 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 64568488 positive integers (up to 129136978) that are relatively prime to 129136978.
129136978 has 4 divisors, whose sum is 193705470
The reverse of 129136978 is 879631921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-nine million one hundred thirty-six thousand nine hundred seventy-eight
Scientific notation
1.29136978 × 10^8
Engineering notation
1.29136978 × 10^6
Prime Factorization
2 × 64568489
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129136978
Product of the distinct prime numbers
The prime factorization of 129136978 is 2 × 64568489.
Since it has a total of 2 prime factors.
8 , 4 , 29 , 17 , 323 , 171 , 9222 , 3260 , 40288 , 41085 , 297219 , 221121 , 9735292 , 3965254 , 8970653 , 35248542 , 842207697 , 415829080 , 6810199429 , 5949723588
n×2
258273956
n×3
387410934
n×4
516547912
n×5
645684890
n÷2
64568489
n÷3
43045659.333333
n÷3
32284244.5
n÷5
25827395.6
n2
16676359086972484
n3
2.1535346165345E+24
n4
2.7810095239765E+32
n5
3.5913116571554E+40
2 √n
11363.845211899
3 √n
505.45621355667
4 √n
106.60133775849
5 √n
41.899623817523
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
-129136977
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 129136978 can be divided by 4 positive divisors.
The sum of these divisors (counting 129136978) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100100111100101010010
3
Ternary
22222222211122001
4
Quaternary
13230213211102
5
Quinary
231024340403
6
Senary
20451504214
8
Octal
754474522
10
Decimal
129136978
12
Duodecimal
372b806a
16
Hexadecimal
7b27952
20
Vigesimal
207228i
36
Base36
24vuqa
md5
fdfab6d1591d3c9ff0caffcde25f33ef
sha1
580f625ffaff9466962bc5211ecac4a81859645f
sha256
0a4ae3aed9b3145813ab7e98cc5aaadde385c9c27c1fc9af408f422112101ed4
sha512
c40d8d8affd8843b5c7569c83707dea9d35ba5676e7a5a2a0442390cdc74a8d8d657397965c3ba49be6e924a7c2d46c73c38639c995ff0ae9fa186e92e0ee32f
ripemd-160
40e5a8be3089ed71bb30238e252b3b9407bd651a
Diameter
258273956
Circumference
811391562.78317
Area
5.2390327196258E+16
Volume
9.020704707408E+24
Surface area
2.0956130878503E+17
Circumference
811391562.78317
Perimeter
516547912
Area
16676359086972484
Diagonal
182627265.69148
Surface area
100058154521834904
Volume
2.1535346165345E+24
Space diagonal
223671807.0319
Perimeter
387410934
Area
7.2210753059748E+15
Altitude
111835903.51595
Surface area
7.2210753059748E+15
Volume
2.5379648847858E+23
Height
60875755.230492