131025909 is an odd 9-digits composite number following 131025908
and preceding 131025910 . In scientific notation, it is written as 1.31025909 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 74688240 positive integers (up to 131025909) that are relatively prime to 131025909.
131025909 has 16 divisors, whose sum is 200148480
The reverse of 131025909 is 909520131
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred thirty-one million twenty-five thousand nine hundred nine
Scientific notation
1.31025909 × 10^8
Engineering notation
1.31025909 × 10^6
Prime Factorization
3 × 7 × 419 × 14891
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
131025909
Product of the distinct prime numbers
The prime factorization of 131025909 is 3 × 7 × 419 × 14891.
Since it has a total of 4 prime factors.
5 , 3 , 1 , 3 , 53 , 106 , 6385 , 2321 , 56905 , 61901 , 431090 , 354258 , 916489 , 4652773 , 29808937 , 7455719 , 801519484 , 686754012 , 420083033 , 1188539695
n×2
262051818
n×3
393077727
n×4
524103636
n×5
655129545
n÷2
65512954.5
n÷3
43675303
n÷3
32756477.25
n÷5
26205181.8
n2
17167788829276281
n3
2.249425136876E+24
n4
2.9473297328662E+32
n5
3.8617655737153E+40
2 √n
11446.654926222
3 √n
507.90878789966
4 √n
106.98904115012
5 √n
42.021488905503
1 , 3 , 7 , 21 , 419 , 1257 , 2933 , 8799 , 14891 , 44673 , 104237 , 312711 , 6239329 , 18717987 , 43675303 , 131025909
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131025908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131025909 can be divided by 16 positive divisors.
The sum of these divisors (counting 131025909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110011110100101111110101
3
Ternary
100010112210202110
4
Quaternary
13303310233311
5
Quinary
232020312114
6
Senary
21000201233
8
Octal
763645765
10
Decimal
131025909
12
Duodecimal
37a69219
16
Hexadecimal
7cf4bf5
20
Vigesimal
20ii4f9
36
Base36
260c8l
md5
8d9909e78ad668a1635e39b7de1accde
sha1
7590d4ae9e34f51ae94ffb8a44cb0b92c6e09d76
sha256
96cdc23833d6ce58e3db4f354811956148e927cb46affd1360cfd27ab8b27a1d
sha512
1b6f0c22eae0a58dd60547175d31cb04e8f2dc9f43c53a54933f97ea47ff850f7d5dd652c95a3a04ae27f69ba5bd7e023ff720aff10974b2869c8a8f750eb6e3
ripemd-160
d81d87b35826ed12b6cb64046454ddb3beca96e7
Diameter
262051818
Circumference
823260066.28865
Area
5.3934199264435E+16
Volume
9.4223699797464E+24
Surface area
2.1573679705774E+17
Circumference
823260066.28865
Perimeter
524103636
Area
17167788829276281
Diagonal
185298617.53006
Surface area
103006732975657686
Volume
2.249425136876E+24
Space diagonal
226943531.4959
Perimeter
393077727
Area
7.43387062648E+15
Altitude
113471765.74795
Surface area
7.43387062648E+15
Volume
2.6509729467608E+23
Height
61766205.843354