129086908 is an even 9-digits composite number following 129086907
and preceding 129086909 . In scientific notation, it is written as 1.29086908 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 64457120 positive integers (up to 129086908) that are relatively prime to 129086908.
129086908 has 12 divisors, whose sum is 226204272
The reverse of 129086908 is 809680921
Previous prime number is 761
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million eighty-six thousand nine hundred eight
Scientific notation
1.29086908 × 10^8
Engineering notation
1.29086908 × 10^6
Prime Factorization
2 × 2 × 761 × 42407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64543454
Product of the distinct prime numbers
The prime factorization of 129086908 is 2 × 2 × 761 × 42407.
Since it has a total of 4 prime factors.
10 , 8 , 45 , 36 , 404 , 305 , 8406 , 5741 , 39582 , 82739 , 500531 , 139483 , 2732327 , 2613072 , 93430126 , 57950697 , 473441782 , 717468018 , 1444012544 , 2462397841
n×2
258173816
n×3
387260724
n×4
516347632
n×5
645434540
n÷2
64543454
n÷3
43028969.333333
n÷3
32271727
n÷5
25817381.6
n2
16663429817000464
n3
2.1510306317516E+24
n4
2.776698932661E+32
n5
3.5843547966411E+40
2 √n
11361.641958802
3 √n
505.39087863194
4 √n
106.59100317945
5 √n
41.896374183467
1 , 2 , 4 , 761 , 1522 , 3044 , 42407 , 84814 , 169628 , 32271727 , 64543454 , 129086908
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
-129086907
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 129086908 can be divided by 12 positive divisors.
The sum of these divisors (counting 129086908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100011011010110111100
3
Ternary
22222220021221121
4
Quaternary
13230123112330
5
Quinary
231021240113
6
Senary
20450440324
8
Octal
754332674
10
Decimal
129086908
12
Duodecimal
372930a4
16
Hexadecimal
7b1b5bc
20
Vigesimal
206fh58
36
Base36
24us3g
md5
ea006ade3a28da56bf2f8a95a9f184f5
sha1
c4ce311911f36120edd6f0aa9945cecd66274a47
sha256
d88a727e26f4318ab9d807775e74078fbb3b0dddfe0a11d02f286a766a8b10db
sha512
c5a374987d66df44e4f534f2dada202ff807bbc9b53d12f1cec6b28d9ace4818fd6146f2377303728a3a822575b6c2e6ad031fba0ff643a70c9fe1bb0c11aee3
ripemd-160
0705a32db0314021b396243b04af0edc175e1f55
Diameter
258173816
Circumference
811076963.69484
Area
5.2349708696698E+16
Volume
9.0102160404766E+24
Surface area
2.0939883478679E+17
Circumference
811076963.69484
Perimeter
516347632
Area
16663429817000464
Diagonal
182556456.01841
Surface area
99980578902002784
Volume
2.1510306317516E+24
Space diagonal
223585083.24797
Perimeter
387260724
Area
7.2154767678507E+15
Altitude
111792541.62398
Surface area
7.2154767678507E+15
Volume
2.5350139104192E+23
Height
60852152.006136