129086972 is an even 9-digits composite number following 129086971
and preceding 129086973 . In scientific notation, it is written as 1.29086972 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 55322904 positive integers (up to 129086972) that are relatively prime to 129086972.
129086972 has 12 divisors, whose sum is 230512800
The reverse of 129086972 is 279680921
Previous prime number is 49
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million eighty-six thousand nine hundred seventy-two
Scientific notation
1.29086972 × 10^8
Engineering notation
1.29086972 × 10^6
Prime Factorization
2 × 2 × 49 × 658607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64543486
Product of the distinct prime numbers
The prime factorization of 129086972 is 2 × 2 × 49 × 658607.
Since it has a total of 4 prime factors.
8 , 6 , 19 , 9 , 955 , 685 , 2068 , 9612 , 679 , 34530 , 226835 , 266201 , 125382 , 402033 , 91847572 , 55711766 , 157204625 , 562460830 , 312723651 , 8341846007
n×2
258173944
n×3
387260916
n×4
516347888
n×5
645434860
n÷2
64543486
n÷3
43028990.666667
n÷3
32271743
n÷5
25817394.4
n2
16663446340128784
n3
2.1510338311317E+24
n4
2.7767044393035E+32
n5
3.5843636820865E+40
2 √n
11361.644775296
3 √n
505.39096215451
4 √n
106.59101639114
5 √n
41.896378337827
1 , 2 , 4 , 49 , 98 , 196 , 658607 , 1317214 , 2634428 , 32271743 , 64543486 , 129086972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129086971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129086972 can be divided by 12 positive divisors.
The sum of these divisors (counting 129086972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100011011010111111100
3
Ternary
22222220022000222
4
Quaternary
13230123113330
5
Quinary
231021240342
6
Senary
20450440512
8
Octal
754332774
10
Decimal
129086972
12
Duodecimal
37293138
16
Hexadecimal
7b1b5fc
20
Vigesimal
206fh8c
36
Base36
24us58
md5
a41cab3b35b2ac00c45d20fd880ba05b
sha1
1d10f25fa199e6ff4830b027cf6e246052c4fd5c
sha256
dc6c70b37c6ca67014746b9647f24f3c84e31c361d098d49739f9dbf8ccf44aa
sha512
3bffe2ad32dd2503cda6b6b1dbf1a3ba38d135249e88a1e96564c0ddec5d1cc4bc522b711ea2b26f0e39a82bb3b76ecd1935bb22d997b176ed708258d18f021d
ripemd-160
fdc5ffeb83db6be2baaac3fb4349bc3f4b575e13
Diameter
258173944
Circumference
811077365.8187
Area
5.2349760605636E+16
Volume
9.0102294420086E+24
Surface area
2.0939904242255E+17
Circumference
811077365.8187
Perimeter
516347888
Area
16663446340128784
Diagonal
182556546.52808
Surface area
99980678040772704
Volume
2.1510338311317E+24
Space diagonal
223585194.09922
Perimeter
387260916
Area
7.2154839225752E+15
Altitude
111792597.04961
Surface area
7.2154839225752E+15
Volume
2.5350176809248E+23
Height
60852182.176025