129291809 is an odd 9-digits composite number following 129291808
and preceding 129291810 . In scientific notation, it is written as 1.29291809 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 123670404 positive integers (up to 129291809) that are relatively prime to 129291809.
129291809 has 4 divisors, whose sum is 134913216
The reverse of 129291809 is 908192921
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-nine million two hundred ninety-one thousand eight hundred nine
Scientific notation
1.29291809 × 10^8
Engineering notation
1.29291809 × 10^6
Prime Factorization
23 × 5621383
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129291809
Product of the distinct prime numbers
The prime factorization of 129291809 is 23 × 5621383.
Since it has a total of 2 prime factors.
5 , 8 , 54 , 98 , 415 , 292 , 3025 , 3935 , 30320 , 66190 , 545861 , 45992 , 7337375 , 3122258 , 40897078 , 58958804 , 592067271 , 993249623 , 3846368896 , 4655081770
n×2
258583618
n×3
387875427
n×4
517167236
n×5
646459045
n÷2
64645904.5
n÷3
43097269.666667
n÷3
32322952.25
n÷5
25858361.8
n2
16716371874492481
n3
2.1612899595699E+24
n4
2.7943708864632E+32
n5
3.6128926692776E+40
2 √n
11370.655609946
3 √n
505.65814134905
4 √n
106.63327627878
5 √n
41.909666257325
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129291808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129291809 can be divided by 4 positive divisors.
The sum of these divisors (counting 129291809) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101001101011000100001
3
Ternary
100000021201000112
4
Quaternary
13231031120201
5
Quinary
231044314214
6
Senary
20455101105
8
Octal
755153041
10
Decimal
129291809
12
Duodecimal
37371795
16
Hexadecimal
7b4d621
20
Vigesimal
20819a9
36
Base36
24z675
md5
8e4ef1eb95d08d8f46716a9914131bc3
sha1
f19bb25d8ea17cf6cc42170b059dc35e0d127413
sha256
c65cf63de2c19ed9f5cdf0ae771573f223f100ff24e96b386ccc1966cbea82ce
sha512
f5ad8260eb024adfc24a4568327c65be88ae3df0b3180477413ea5cadd70835fb6f817f8a7ab66cf27fd7d93570e15edb0aaeb3f95be0d21d2fea8f10b4e3830
ripemd-160
10feb772af929891c3cb3c83f819d0b62c6cd641
Diameter
258583618
Circumference
812364394.64747
Area
5.2516031075581E+16
Volume
9.0531902123494E+24
Surface area
2.1006412430232E+17
Circumference
812364394.64747
Perimeter
517167236
Area
16716371874492481
Diagonal
182846229.79155
Surface area
100298231246954886
Volume
2.1612899595699E+24
Space diagonal
223939982.19049
Perimeter
387875427
Area
7.2384013512091E+15
Altitude
111969991.09525
Surface area
7.2384013512091E+15
Volume
2.5471046442037E+23
Height
60948743.263851