129442910 is an even 9-digits composite number following 129442909
and preceding 129442911 . In scientific notation, it is written as 1.29442910 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 51777160 positive integers (up to 129442910) that are relatively prime to 129442910.
129442910 has 8 divisors, whose sum is 232997256
The reverse of 129442910 is 019244921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million four hundred forty-two thousand nine hundred ten
Scientific notation
1.29442910 × 10^8
Engineering notation
1.29442910 × 10^6
Prime Factorization
2 × 5 × 12944291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129442910
Product of the distinct prime numbers
The prime factorization of 129442910 is 2 × 5 × 12944291.
Since it has a total of 3 prime factors.
1 , 8 , 76 , 63 , 499 , 483 , 8391 , 383 , 92919 , 31253 , 383036 , 767311 , 3747778 , 8849266 , 60453640 , 66433277 , 635687906 , 826691426 , 6380817985 , 2564234359
n×2
258885820
n×3
388328730
n×4
517771640
n×5
647214550
n÷2
64721455
n÷3
43147636.666667
n÷3
32360727.5
n÷5
25888582
n2
16755466949268100
n3
2.1688764003221E+24
n4
2.8074567268802E+32
n5
3.6340536842644E+40
2 √n
11377.298009633
3 √n
505.85504917113
4 √n
106.66441772978
5 √n
41.91945749513
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
-129442909
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 129442910 can be divided by 8 positive divisors.
The sum of these divisors (counting 129442910) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101110010010001011110
3
Ternary
100000120101021212
4
Quaternary
13231302101132
5
Quinary
231114133120
6
Senary
20502224422
8
Octal
755622136
10
Decimal
129442910
12
Duodecimal
37425112
16
Hexadecimal
7b7245e
20
Vigesimal
209075a
36
Base36
252ese
md5
8212429291c92aab2291a21345b36a35
sha1
f92a365dab4b98fedfc91fb9f7e66645b340e2f6
sha256
c66559c447b8a79fa4954976f19cd17daf019c616b176b7605c9766c13cb3306
sha512
b87ff0239831e8458cb1d10bb29649c897433806657dad9d80d285c58ed5cbfcd21e7be7a1b8a06d2b8ad861efb308a9dd4d8f7242b8c4f1b006d0432593163b
ripemd-160
aab8f10c1c4ced06c25d33ec491a1f52b561be03
Diameter
258885820
Circumference
813313790.23057
Area
5.2638851875287E+16
Volume
9.0849682210615E+24
Surface area
2.1055540750115E+17
Circumference
813313790.23057
Perimeter
517771640
Area
16755466949268100
Diagonal
183059918.87504
Surface area
100532801695608600
Volume
2.1688764003221E+24
Space diagonal
224201696.79957
Perimeter
388328730
Area
7.2553300151684E+15
Altitude
112100848.39978
Surface area
7.2553300151684E+15
Volume
2.556045350372E+23
Height
61019972.958347