129171428 is an even 9-digits composite number following 129171427
and preceding 129171429 . In scientific notation, it is written as 1.29171428 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 64585712 positive integers (up to 129171428) that are relatively prime to 129171428.
129171428 has 6 divisors, whose sum is 226050006
The reverse of 129171428 is 824171921
Previous prime number is 2
Is Prime? no Number parity even Number length 9 Sum of Digits 35 Digital Root 8
Name
one hundred twenty-nine million one hundred seventy-one thousand four hundred twenty-eight
Scientific notation
1.29171428 × 10^8
Engineering notation
1.29171428 × 10^6
Prime Factorization
2 × 2 × 32292857
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
64585714 Product of the distinct prime numbers
The prime factorization of 129171428 is 2 × 2 × 32292857.
Since it has a total of 3 prime factors.
4 , 8 , 2 , 60 , 531 , 353 , 453 , 9812 , 7528 , 98382 , 878524 , 320315 , 4664493 , 4643762 , 76056245 , 45243339 , 224367302 , 136325821 , 9061499299 , 5911790304
n×2
258342856
n×3
387514284
n×4
516685712
n×5
645857140
n÷2
64585714
n÷3
43057142.666667
n÷3
32292857
n÷5
25834285.6
n2
16685257811559184
n3
2.1552585780673E+24
n4
2.783978282382E+32
n5
3.5961045025627E+40
2 √n11365.360882964
3 √n505.50115657927
4 √n106.60844658358
5 √n41.901859099872
6 divisors
τ Total Divisors
6 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129171427 Sum of the proper positive divisors of n
A Arithmetic Mean
0.16666666666667 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
6 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129171428 can be divided by 6 positive divisors.
The sum of these divisors (counting 129171428) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101100101111111111100100
3
Ternary
100000001120212222
4
Quaternary
13230233333210
5
Quinary
231031441203
6
Senary
20452331512
8
Octal
754577744
10
Decimal
129171428
12
Duodecimal
37313b98
16
Hexadecimal
7b2ffe4
20
Vigesimal
20768b8
36
Base36
24wlb8
md5
3825cc6f32f17866b10e72b8f5333189
sha1
581c6d5130f44502f490b5f0e830c35b91b4e225
sha256
a277bc0c6b0491b5258202ef51efb9b0eab397cacf1a23867e01eec21aec06f1
sha512
71a68be604d4716da8133660f49c6facb11fb6805bd290b006be4c6bdaaa7042efcb17cbaedfb6b783012bd7db4946ffac76fcbce212ce046bb61310456375a0
ripemd-160
eac3524d5f2919f620a42b8eb7530c07adc97457
Diameter
258342856
Circumference
811608018.51701
Area
5.2418283364046E+16
Volume
9.02792602059E+24
Surface area
2.0967313345618E+17
Circumference
811608018.51701
Perimeter
516685712
Area
16685257811559184
Diagonal
182675985.3487
Surface area
100111546869355104
Volume
2.1552585780673E+24
Space diagonal
223731476.18223
Perimeter
387514284
Area
7.2249285667515E+15
Altitude
111865738.09111
Surface area
7.2249285667515E+15
Volume
2.5399965929364E+23
Height
60891995.116233