129121029 is an odd 9-digits composite number following 129121028
and preceding 129121030 . In scientific notation, it is written as 1.29121029 × 10^8.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 85891200 positive integers (up to 129121029) that are relatively prime to 129121029.
129121029 has 8 divisors, whose sum is 143783640
The reverse of 129121029 is 920121921
Previous prime number is 461
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-nine million one hundred twenty-one thousand twenty-nine
Scientific notation
1.29121029 × 10^8
Engineering notation
1.29121029 × 10^6
Prime Factorization
9 × 461 × 31121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129121029
Product of the distinct prime numbers
The prime factorization of 129121029 is 9 × 461 × 31121.
Since it has a total of 3 prime factors.
9 , 5 , 45 , 82 , 116 , 387 , 3177 , 3963 , 14318 , 15835 , 955343 , 91529 , 1939485 , 7532026 , 69517257 , 49596884 , 849467958 , 75123015 , 4210661511 , 8786521900
n×2
258242058
n×3
387363087
n×4
516484116
n×5
645605145
n÷2
64560514.5
n÷3
43040343
n÷3
32280257.25
n÷5
25824205.8
n2
16672240130018841
n3
2.1527368013231E+24
n4
2.7796359095301E+32
n5
3.5890944888388E+40
2 √n
11363.143447128
3 √n
505.43540399157
4 √n
106.59804616937
5 √n
41.898588807836
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
-129121028
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 129121029 can be divided by 8 positive divisors.
The sum of these divisors (counting 129121029) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100011101100000101
3
Ternary
22222222000202100
4
Quaternary
13230203230011
5
Quinary
231023333104
6
Senary
20451302313
8
Octal
754435405
10
Decimal
129121029
12
Duodecimal
372aa999
16
Hexadecimal
7b23b05
20
Vigesimal
20702b9
36
Base36
24vif9
md5
96b62e0b82c4055610f4584398c79bd3
sha1
130a246120f95f076fe4dd1a75b74ca3cba7924b
sha256
b5f36e083fc18e23c71d32bfecfe23257e33f43e63ce44e77ff327bd7579bb86
sha512
78c20b50ec3cf69c27994ca9d6f5cfbafd734abf2e707a3aeb386dd0814775d3ecbe4e6645b28f86ac805a0b3f08886bd054ac8f6097188de556bdd68e456b3a
ripemd-160
bc086101093080826cdb740c01f40bf36685b75f
Diameter
258242058
Circumference
811291352.26071
Area
5.2377387111352E+16
Volume
9.0173628268655E+24
Surface area
2.0950954844541E+17
Circumference
811291352.26071
Perimeter
516484116
Area
16672240130018841
Diagonal
182604710.39937
Surface area
100033440780113046
Volume
2.1527368013231E+24
Space diagonal
223644182.55357
Perimeter
387363087
Area
7.2192917452953E+15
Altitude
111822091.27679
Surface area
7.2192917452953E+15
Volume
2.5370246505424E+23
Height
60868236.79979