65431381 is an odd 8-digits composite number following 65431380
and preceding 65431382 . In scientific notation, it is written as 6.5431381 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 65414412 positive integers (up to 65431381) that are relatively prime to 65431381.
65431381 has 4 divisors, whose sum is 65448352
The reverse of 65431381 is 18313456
Previous prime number is 5923
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
sixty-five million four hundred thirty-one thousand three hundred eighty-one
Scientific notation
6.5431381 × 10^7
Engineering notation
6.5431381 × 10^6
Prime Factorization
5923 × 11047
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
65431381
Product of the distinct prime numbers
The prime factorization of 65431381 is 5923 × 11047.
Since it has a total of 2 prime factors.
7 , 7 , 48 , 5 , 397 , 761 , 1229 , 3238 , 26529 , 35336 , 611439 , 848325 , 1372722 , 124297 , 6873042 , 30690128 , 581673492 , 789721197 , 7271552585 , 2448794485
n×2
130862762
n×3
196294143
n×4
261725524
n×5
327156905
n÷2
32715690.5
n÷3
21810460.333333
n÷3
16357845.25
n÷5
13086276.2
n2
4281265619567161
n3
2.801291219161E+23
n4
1.8329235305288E+31
n5
1.1993071786989E+39
2 √n
8088.9666212688
3 √n
402.9600844654
4 √n
89.93868256356
5 √n
36.57271631819
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
-65431380
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 65431381 can be divided by 4 positive divisors.
The sum of these divisors (counting 65431381) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111001100110011101010101
3
Ternary
11120010020222111
4
Quaternary
3321212131111
5
Quinary
113222301011
6
Senary
10254231021
8
Octal
371463525
10
Decimal
65431381
12
Duodecimal
19ab5471
16
Hexadecimal
3e66755
20
Vigesimal
108ii91
36
Base36
12yf6d
md5
7202cc6d609f62fa1f76f2129427fd18
sha1
5089c93330aa0ec2f88671a3ebf1eedad8bdea50
sha256
d63e551f40ed45927da49d5b301ba791c07f7202f7bfc99c3321579b4501d2b8
sha512
71f1d47f9021756636753e79bb969d39ce0ecfe72228b0e8bf14932952eb1c1f9d6178c0dbefdcca7cfd99a8d52ed8a082ef6ded4b1bed47b01fc8b643097590
ripemd-160
21bff607f794f45f11d090f4d3e4bece2aaa1b21
Diameter
130862762
Circumference
411117491.72767
Area
1.3449992618499E+16
Volume
1.1734021219576E+24
Surface area
5.3799970473995E+16
Circumference
411117491.72767
Perimeter
261725524
Area
4281265619567161
Diagonal
92533946.415001
Surface area
25687593717402966
Volume
2.801291219161E+23
Space diagonal
113330476.3014
Perimeter
196294143
Area
1.853842393447E+15
Altitude
56665238.150698
Surface area
1.853842393447E+15
Volume
3.3013533619118E+22
Height
30844648.805