129156906 is an even 9-digits composite number following 129156905
and preceding 129156907 . In scientific notation, it is written as 1.29156906 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 42949200 positive integers (up to 129156906) that are relatively prime to 129156906.
129156906 has 16 divisors, whose sum is 258932448
The reverse of 129156906 is 609651921
Previous prime number is 421
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million one hundred fifty-six thousand nine hundred six
Scientific notation
1.29156906 × 10^8
Engineering notation
1.29156906 × 10^6
Prime Factorization
2 × 3 × 421 × 51131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129156906
Product of the distinct prime numbers
The prime factorization of 129156906 is 2 × 3 × 421 × 51131.
Since it has a total of 4 prime factors.
8 , 6 , 3 , 16 , 405 , 98 , 4971 , 3364 , 39533 , 78210 , 486380 , 466868 , 6616047 , 7952357 , 5748025 , 69137928 , 66688657 , 66754981 , 2130206048 , 3633775382
n×2
258313812
n×3
387470718
n×4
516627624
n×5
645784530
n÷2
64578453
n÷3
43052302
n÷3
32289226.5
n÷5
25831381.2
n2
16681506367492836
n3
2.1545317498447E+24
n4
2.782726546887E+32
n5
3.5940835103999E+40
2 √n
11364.72199396
3 √n
505.48221234105
4 √n
106.60545011377
5 √n
41.900916900544
1 , 2 , 3 , 6 , 421 , 842 , 1263 , 2526 , 51131 , 102262 , 153393 , 306786 , 21526151 , 43052302 , 64578453 , 129156906
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129156905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129156906 can be divided by 16 positive divisors.
The sum of these divisors (counting 129156906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100101100011100101010
3
Ternary
100000000211222010
4
Quaternary
13230230130222
5
Quinary
231031010111
6
Senary
20452140350
8
Octal
754543452
10
Decimal
129156906
12
Duodecimal
373076b6
16
Hexadecimal
7b2c72a
20
Vigesimal
2074c56
36
Base36
24wa3u
md5
1106b6ce18b2c78aa1e5f2d98cdbacd4
sha1
7ea4d278aeb9014399abb85a8b2e505c88090855
sha256
13bba59cf4e4c32f0aa031e7bd92c56b07b4e18b35a7e0de769920b2e0fb3333
sha512
19f4134e6735c44e47d5fd9fbc0ea0a5fa9c791f9f23610dd43bc65175bc665d855d7cbe6b2278753d9aa463a81f4dbd899ab82c8fde1836b0f4979f66f30279
ripemd-160
5de699374b749e5f567107b31eda1032f2874913
Diameter
258313812
Circumference
811516774.09997
Area
5.2406497854927E+16
Volume
9.0248814896507E+24
Surface area
2.0962599141971E+17
Circumference
811516774.09997
Perimeter
516627624
Area
16681506367492836
Diagonal
182655448.13935
Surface area
100089038204957016
Volume
2.1545317498447E+24
Space diagonal
223706323.3404
Perimeter
387470718
Area
7.2233041438203E+15
Altitude
111853161.6702
Surface area
7.2233041438203E+15
Volume
2.5391400176615E+23
Height
60885149.379782