131029909 is an odd 9-digits composite number following 131029908
and preceding 131029910 . In scientific notation, it is written as 1.31029909 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 124133580 positive integers (up to 131029909) that are relatively prime to 131029909.
131029909 has 4 divisors, whose sum is 137926240
The reverse of 131029909 is 909920131
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred thirty-one million twenty-nine thousand nine hundred nine
Scientific notation
1.31029909 × 10^8
Engineering notation
1.31029909 × 10^6
Prime Factorization
19 × 6896311
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
131029909
Product of the distinct prime numbers
The prime factorization of 131029909 is 19 × 6896311.
Since it has a total of 2 prime factors.
2 , 5 , 1 , 99 , 466 , 670 , 2855 , 2622 , 68330 , 94029 , 857448 , 922264 , 788772 , 1140143 , 8513072 , 17710944 , 331782826 , 454105693 , 7052997830 , 7433277954
n×2
262059818
n×3
393089727
n×4
524119636
n×5
655149545
n÷2
65514954.5
n÷3
43676636.333333
n÷3
32757477.25
n÷5
26205981.8
n2
17168837052548281
n3
2.2496311566312E+24
n4
2.9476896573695E+32
n5
3.8623550756537E+40
2 √n
11446.829648422
3 √n
507.91395637994
4 √n
106.98985768951
5 √n
42.021745471406
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
-131029908
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 131029909 can be divided by 4 positive divisors.
The sum of these divisors (counting 131029909) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110011110101101110010101
3
Ternary
100010120000020121
4
Quaternary
13303311232111
5
Quinary
232020424114
6
Senary
21000231541
8
Octal
763655625
10
Decimal
131029909
12
Duodecimal
37a6b5b1
16
Hexadecimal
7cf5b95
20
Vigesimal
20iief9
36
Base36
260fbp
md5
d161ab67e267b127f8429ae11c69afcc
sha1
e27120c88b0c817c526ebb0d71a934d20b4930e4
sha256
cfe9fa9055755454b21f02e173e27857387d9759b7d33f40ee1ea0feaa0e3136
sha512
eed27be2c69454c63177ce8c5a58940f5ec1289189d73215fec8c4b62469f9664c0e16b750ba6e2a813ec821de4718ce690e5463eb9f9798a1559b7725b31083
ripemd-160
9bd5a4bc6c661e49eea9641ea2be415365b257f5
Diameter
262059818
Circumference
823285199.02988
Area
5.3937492354966E+16
Volume
9.4232329532792E+24
Surface area
2.1574996941986E+17
Circumference
823285199.02988
Perimeter
524119636
Area
17168837052548281
Diagonal
185304274.38431
Surface area
103013022315289686
Volume
2.2496311566312E+24
Space diagonal
226950459.69913
Perimeter
393089727
Area
7.4343245204712E+15
Altitude
113475229.84956
Surface area
7.4343245204712E+15
Volume
2.6512157433708E+23
Height
61768091.461437