129540908 is an even 9-digits composite number following 129540907
and preceding 129540909 . In scientific notation, it is written as 1.29540908 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 18 positive divisors.
There are 55517448 positive integers (up to 129540908) that are relatively prime to 129540908.
129540908 has 18 divisors, whose sum is 263708676
The reverse of 129540908 is 809045921
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million five hundred forty thousand nine hundred eight
Scientific notation
1.29540908 × 10^8
Engineering notation
1.29540908 × 10^6
Prime Factorization
2 × 2 × 7 × 7 × 660923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9252922
Product of the distinct prime numbers
The prime factorization of 129540908 is 2 × 2 × 7 × 7 × 660923.
Since it has a total of 5 prime factors.
2 , 10 , 57 , 17 , 471 , 973 , 8184 , 1319 , 72575 , 99980 , 529948 , 420300 , 9681412 , 4012912 , 73329302 , 89534645 , 959491241 , 81837585 , 7199659275 , 7667735130
n×2
259081816
n×3
388622724
n×4
518163632
n×5
647704540
n÷2
64770454
n÷3
43180302.666667
n÷3
32385227
n÷5
25908181.6
n2
16780846845464464
n3
2.1738061373704E+24
n4
2.8159682085093E+32
n5
3.6478307862943E+40
2 √n
11381.603929148
3 √n
505.98267371815
4 √n
106.68460024365
5 √n
41.925802809103
1 , 2 , 4 , 7 , 14 , 28 , 49 , 98 , 196 , 660923 , 1321846 , 2643692 , 4626461 , 9252922 , 18505844 , 32385227 , 64770454 , 129540908
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129540907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129540908 can be divided by 18 positive divisors.
The sum of these divisors (counting 129540908) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
111101110001010001100101100
3
Ternary
100000202100201102
4
Quaternary
13232022030230
5
Quinary
231130302113
6
Senary
20504302232
8
Octal
756121454
10
Decimal
129540908
12
Duodecimal
37471978
16
Hexadecimal
7b8a32c
20
Vigesimal
209cc58
36
Base36
254iek
md5
f6c2e1d4539eb47e08fb6ed40d681397
sha1
552128637c80f99c8a4844e1f079715364c8825b
sha256
052d8fb31f1f37814b8ba4ef2734669fe2333262cffdc38c515aab0f7cc4b2f0
sha512
1690d578627a980203fa557b973d6fcb205dd94abfd825aa6dd21b8f5e5f451ee3715de80d520839d3040dbeb0d3779add59b578ad2dd6dd670a31ac6338da9d
ripemd-160
6af05767b325fb348791c94fa81cd697c012816d
Diameter
259081816
Circumference
813929529.8243
Area
5.2718585170727E+16
Volume
9.1056178553217E+24
Surface area
2.1087434068291E+17
Circumference
813929529.8243
Perimeter
518163632
Area
16780846845464464
Diagonal
183198508.97573
Surface area
100685081072786784
Volume
2.1738061373704E+24
Space diagonal
224371434.31461
Perimeter
388622724
Area
7.2663198325941E+15
Altitude
112185717.1573
Surface area
7.2663198325941E+15
Volume
2.5618551011992E+23
Height
61066169.658575