129356905 is an odd 9-digits composite number following 129356904
and preceding 129356906 . In scientific notation, it is written as 1.29356905 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 101788800 positive integers (up to 129356905) that are relatively prime to 129356905.
129356905 has 8 divisors, whose sum is 157773384
The reverse of 129356905 is 509653921
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million three hundred fifty-six thousand nine hundred five
Scientific notation
1.29356905 × 10^8
Engineering notation
1.29356905 × 10^6
Prime Factorization
5 × 61 × 424121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129356905
Product of the distinct prime numbers
The prime factorization of 129356905 is 5 × 61 × 424121.
Since it has a total of 3 prime factors.
6 , 1 , 44 , 4 , 386 , 592 , 6753 , 6184 , 88967 , 77183 , 842346 , 128087 , 5729790 , 4907022 , 45242917 , 39282407 , 889983515 , 920363626 , 7666760714 , 4618548526
n×2
258713810
n×3
388070715
n×4
517427620
n×5
646784525
n÷2
64678452.5
n÷3
43118968.333333
n÷3
32339226.25
n÷5
25871381
n2
16733208871179025
n3
2.1645561102943E+24
n4
2.800002791265E+32
n5
3.6219969506941E+40
2 √n
11373.517705618
3 √n
505.74299023963
4 √n
106.64669570886
5 √n
41.913885553802
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
-129356904
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 129356905 can be divided by 8 positive divisors.
The sum of these divisors (counting 129356905) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101011101010001101001
3
Ternary
100000102000022111
4
Quaternary
13231131101221
5
Quinary
231103410110
6
Senary
20500322321
8
Octal
755352151
10
Decimal
129356905
12
Duodecimal
373a33a1
16
Hexadecimal
7b5d469
20
Vigesimal
2089c55
36
Base36
250kfd
md5
2a4437bfabb789f93887249ddcf666ec
sha1
a18a58821a3e861033411851c31f8c140ab6112c
sha256
87983a10909238b089a259420a3997f343107a1e617bb2084c84e8d83cf56187
sha512
9c5b4ac32ec8cf5d6e5f5ebee3f2c04f70199b1768903f38a961f9571160b32ad0fbf2492607f9252a6136ad586a427497662ebcaaa194128773024d91a226b3
ripemd-160
4af26c6f0a93b1f74672c36638c59e2407077e86
Diameter
258713810
Circumference
812773404.87823
Area
5.256892606068E+16
Volume
9.0668714325111E+24
Surface area
2.1027570424272E+17
Circumference
812773404.87823
Perimeter
517427620
Area
16733208871179025
Diagonal
182938289.43761
Surface area
100399253227074150
Volume
2.1645561102943E+24
Space diagonal
224052731.76986
Perimeter
388070715
Area
7.2456919846361E+15
Altitude
112026365.88493
Surface area
7.2456919846361E+15
Volume
2.5509538397464E+23
Height
60979429.812536