129442909 is an odd 9-digits composite number following 129442908
and preceding 129442910 . In scientific notation, it is written as 1.29442909 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 125944416 positive integers (up to 129442909) that are relatively prime to 129442909.
129442909 has 4 divisors, whose sum is 132941404
The reverse of 129442909 is 909244921
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million four hundred forty-two thousand nine hundred nine
Scientific notation
1.29442909 × 10^8
Engineering notation
1.29442909 × 10^6
Prime Factorization
37 × 3498457
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129442909
Product of the distinct prime numbers
The prime factorization of 129442909 is 37 × 3498457.
Since it has a total of 2 prime factors.
2 , 10 , 80 , 7 , 484 , 475 , 203 , 78 , 82212 , 42868 , 257290 , 34325 , 4047364 , 2260859 , 90270288 , 39038344 , 456085591 , 279152083 , 7976299207 , 628185471
n×2
258885818
n×3
388328727
n×4
517771636
n×5
647214545
n÷2
64721454.5
n÷3
43147636.333333
n÷3
32360727.25
n÷5
25888581.8
n2
16755466690382281
n3
2.1688763500557E+24
n4
2.8074566401251E+32
n5
3.6340535438916E+40
2 √n
11377.297965686
3 √n
505.85504786848
4 √n
106.66441752377
5 √n
41.919457430361
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
-129442908
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 129442909 can be divided by 4 positive divisors.
The sum of these divisors (counting 129442909) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101110010010001011101
3
Ternary
100000120101021211
4
Quaternary
13231302101131
5
Quinary
231114133114
6
Senary
20502224421
8
Octal
755622135
10
Decimal
129442909
12
Duodecimal
37425111
16
Hexadecimal
7b7245d
20
Vigesimal
2090759
36
Base36
252esd
md5
e5e303599b515f71c75866f565aa24a4
sha1
07c0c52819d84b27fa07a609f9e5c36083b5bb20
sha256
99fa2e1d2110ae61c6c8ab01a2061abcc8d75ea243ce24b8e219fc73fdf2d09d
sha512
c5220952ed7387f7851d25e13a07d958d50358908d15b83424249cd351aafd6a4664feff94f48d175d388ba3737f30a8ae6ab6a90b0d16bf3236152a15ebb909
ripemd-160
798b1c6169326c1a7ac421e1ead076f6cd77dee0
Diameter
258885818
Circumference
813313783.94738
Area
5.2638851061973E+16
Volume
9.0849680105061E+24
Surface area
2.1055540424789E+17
Circumference
813313783.94738
Perimeter
517771636
Area
16755466690382281
Diagonal
183059917.46083
Surface area
100532800142293686
Volume
2.1688763500557E+24
Space diagonal
224201695.06751
Perimeter
388328727
Area
7.2553299030675E+15
Altitude
112100847.53376
Surface area
7.2553299030675E+15
Volume
2.5560452911325E+23
Height
61019972.486942