129449931 is an odd 9-digits composite number following 129449930
and preceding 129449932 . In scientific notation, it is written as 1.29449931 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 79661472 positive integers (up to 129449931) that are relatively prime to 129449931.
129449931 has 8 divisors, whose sum is 185876880
The reverse of 129449931 is 139944921
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million four hundred forty-nine thousand nine hundred thirty-one
Scientific notation
1.29449931 × 10^8
Engineering notation
1.29449931 × 10^6
Prime Factorization
3 × 13 × 3319229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129449931
Product of the distinct prime numbers
The prime factorization of 129449931 is 3 × 13 × 3319229.
Since it has a total of 3 prime factors.
7 , 3 , 9 , 61 , 695 , 800 , 9736 , 3695 , 97779 , 31444 , 829353 , 835727 , 9023517 , 2676319 , 92642617 , 77731951 , 194555636 , 152574608 , 1279642405 , 5895464361
n×2
258899862
n×3
388349793
n×4
517799724
n×5
647249655
n÷2
64724965.5
n÷3
43149977
n÷3
32362482.75
n÷5
25889986.2
n2
16757284635904761
n3
2.1692293398652E+24
n4
2.8080658836873E+32
n5
3.6350393488677E+40
2 √n
11377.606558499
3 √n
505.86419488664
4 √n
106.66586407328
5 √n
41.919912228611
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
-129449930
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 129449931 can be divided by 8 positive divisors.
The sum of these divisors (counting 129449931) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101110011111111001011
3
Ternary
100000120201220220
4
Quaternary
13231303333023
5
Quinary
231114344211
6
Senary
20502321123
8
Octal
755637713
10
Decimal
129449931
12
Duodecimal
374291a3
16
Hexadecimal
7b73fcb
20
Vigesimal
20914gb
36
Base36
252k7f
md5
5c0c85c620b4c7f918aa14b6abc8b41f
sha1
6d55cb60687e74d1d05e4d9190f1f4485ab19be6
sha256
a9f4150ebeb960cc911906dbe9c7bb5d58083e2ef0e198e345c0ea873e056219
sha512
9242ef3c8251581f3de32cc5264b35d098e4a20fc40cff42ff7e96b15882bd552d84b2402f03f5faf06c8e58c809271d7d3ca65e4032fb966903055ccebfff05
ripemd-160
e044f0c80c70bf64f2e46bfd49c56ea12bc9188a
Diameter
258899862
Circumference
813357904.47461
Area
5.2644562306272E+16
Volume
9.0864466107627E+24
Surface area
2.1057824922509E+17
Circumference
813357904.47461
Perimeter
517799724
Area
16757284635904761
Diagonal
183069848.06846
Surface area
100543707815428566
Volume
2.1692293398652E+24
Space diagonal
224213857.52829
Perimeter
388349793
Area
7.2561170965701E+15
Altitude
112106928.76414
Surface area
7.2561170965701E+15
Volume
2.5564612936125E+23
Height
61023282.689487