129171420 is an even 9-digits composite number following 129171419
and preceding 129171421 . In scientific notation, it is written as 1.29171420 × 10^8.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 28563840 positive integers (up to 129171420) that are relatively prime to 129171420.
129171420 has 24 divisors, whose sum is 234153472
The reverse of 129171420 is 024171921
Previous prime number is 31
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-nine million one hundred seventy-one thousand four hundred twenty
Scientific notation
1.29171420 × 10^8
Engineering notation
1.29171420 × 10^6
Prime Factorization
2 × 2 × 315 × 31 × 3307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64585710
Product of the distinct prime numbers
The prime factorization of 129171420 is 2 × 2 × 315 × 31 × 3307.
Since it has a total of 5 prime factors.
4 , 2 , 52 , 98 , 192 , 235 , 2577 , 7067 , 46069 , 86591 , 326524 , 5522 , 6240783 , 105245 , 36655426 , 3983305 , 651458349 , 923367863 , 5463648038 , 8576013902
n×2
258342840
n×3
387514260
n×4
516685680
n×5
645857100
n÷2
64585710
n÷3
43057140
n÷3
32292855
n÷5
25834284
n2
16685255744816400
n3
2.1552581776211E+24
n4
2.7839775926993E+32
n5
3.5961033889715E+40
2 √n
11365.360531017
3 √n
505.5011461435
4 √n
106.60844493293
5 √n
41.901858580849
1 , 2 , 4 , 31 , 62 , 124 , 315 , 630 , 1260 , 3307 , 6614 , 9765 , 13228 , 19530 , 39060 , 102517 , 205034 , 410068 , 1041705 , 2083410 , 4166820 , 32292855 , 64585710 , 129171420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129171419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129171420 can be divided by 24 positive divisors.
The sum of these divisors (counting 129171420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101100101111111111011100
3
Ternary
100000001120212200
4
Quaternary
13230233333130
5
Quinary
231031441140
6
Senary
20452331500
8
Octal
754577734
10
Decimal
129171420
12
Duodecimal
37313b90
16
Hexadecimal
7b2ffdc
20
Vigesimal
20768b0
36
Base36
24wlb0
md5
b2799655d7f61033ddeae5fe92a2079c
sha1
aa9b53c7fae182f10da631ac093e89838686f7e2
sha256
446443108b6b5802a56ade8ae8a14895596b9368b16294675632acab9f97fc94
sha512
d8d97e8ab99c9ad8e785feb1bb252ddbd31e18d0d1a0753ecffdeb7e4945f7d4cd417287198bc65a2fa46ee1c5e9e0379b160160bebdd0a30e096a18c525aebb
ripemd-160
62cc5e6a3e7ec4ebb37000062f3be61f0da41a0b
Diameter
258342840
Circumference
811607968.25152
Area
5.2418276871182E+16
Volume
9.027924343205E+24
Surface area
2.0967310748473E+17
Circumference
811607968.25152
Perimeter
516685680
Area
16685255744816400
Diagonal
182675974.03499
Surface area
100111534468898400
Volume
2.1552581776211E+24
Space diagonal
223731462.32582
Perimeter
387514260
Area
7.2249276718256E+15
Altitude
111865731.16291
Surface area
7.2249276718256E+15
Volume
2.5399961210061E+23
Height
60891991.344997