129129909 is an odd 9-digits composite number following 129129908
and preceding 129129910 . In scientific notation, it is written as 1.29129909 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 76757760 positive integers (up to 129129909) that are relatively prime to 129129909.
129129909 has 8 divisors, whose sum is 139125528
The reverse of 129129909 is 909921921
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million one hundred twenty-nine thousand nine hundred nine
Scientific notation
1.29129909 × 10^8
Engineering notation
1.29129909 × 10^6
Prime Factorization
57 × 17 × 133261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129129909
Product of the distinct prime numbers
The prime factorization of 129129909 is 57 × 17 × 133261.
Since it has a total of 3 prime factors.
6 , 7 , 89 , 64 , 102 , 478 , 8395 , 7581 , 32972 , 94714 , 992383 , 365109 , 1035473 , 2623303 , 53385942 , 70687956 , 445770968 , 241322519 , 6995773688 , 335179295
n×2
258259818
n×3
387389727
n×4
516519636
n×5
645649545
n÷2
64564954.5
n÷3
43043303
n÷3
32282477.25
n÷5
25825981.8
n2
16674533398348281
n3
2.1531809803462E+24
n4
2.7804006405263E+32
n5
3.5903288169471E+40
2 √n
11363.534177359
3 √n
505.44699044277
4 √n
106.5998788806
5 √n
41.899165087683
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
-129129908
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 129129909 can be divided by 8 positive divisors.
The sum of these divisors (counting 129129909) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100101110110110101
3
Ternary
22222222110221020
4
Quaternary
13230211312311
5
Quinary
231024124114
6
Senary
20451411353
8
Octal
754456665
10
Decimal
129129909
12
Duodecimal
372b3b59
16
Hexadecimal
7b25db5
20
Vigesimal
20714f9
36
Base36
24vp9x
md5
f14da3e5c21f65fb3d908f922203f8a9
sha1
e88b3bfacf217a98c70bf914d8492d165acf25dd
sha256
9ae54d0d16e08c4589ce2ec986dd85a1fc8550a22a3366f76a2a40ee4e8f023b
sha512
6dffd599ba5622ee28970af5ea24b5b71998aeee4c9a30dc2eaddede991b06ace3b74043061a8a073b38de02594f4032891af64bea3caa7f4c12dc57f232b826
ripemd-160
e96bf21e020414e10c6a0980355c223e3742fe28
Diameter
258259818
Circumference
811347146.94624
Area
5.2384591626289E+16
Volume
9.0192233996064E+24
Surface area
2.0953836650515E+17
Circumference
811347146.94624
Perimeter
516519636
Area
16674533398348281
Diagonal
182617268.6158
Surface area
100047200390089686
Volume
2.1531809803462E+24
Space diagonal
223659563.16475
Perimeter
387389727
Area
7.2202847596108E+15
Altitude
111829781.58237
Surface area
7.2202847596108E+15
Volume
2.5375481205411E+23
Height
60872422.871935