20431390 is an even 8-digits composite number following 20431389
and preceding 20431391 . In scientific notation, it is written as 2.0431390 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 7005024 positive integers (up to 20431390) that are relatively prime to 20431390.
20431390 has 8 divisors, whose sum is 31522824
The reverse of 20431390 is 09313402
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million four hundred thirty-one thousand three hundred ninety
Scientific notation
2.0431390 × 10^7
Engineering notation
2.0431390 × 10^6
Prime Factorization
2 × 35 × 291877
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20431390
Product of the distinct prime numbers
The prime factorization of 20431390 is 2 × 35 × 291877.
Since it has a total of 3 prime factors.
7 , 2 , 33 , 49 , 860 , 155 , 4041 , 4371 , 55539 , 92149 , 98492 , 275818 , 1042879 , 4341484 , 64446769 , 27112796 , 836903412 , 444561145 , 5514565512 , 8268470673
n×2
40862780
n×3
61294170
n×4
81725560
n×5
102156950
n÷2
10215695
n÷3
6810463.3333333
n÷3
5107847.5
n÷5
4086278
n2
417441697332100
n3
8.5289141204541E+21
n4
1.742575706715E+29
n5
3.5603243868421E+36
2 √n
4520.1095119477
3 √n
273.37951661958
4 √n
67.231759696945
5 √n
28.977411142231
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
-20431389
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 20431390 can be divided by 8 positive divisors.
The sum of these divisors (counting 20431390) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101111100001000011110
3
Ternary
1102110000121011
4
Quaternary
1031330020132
5
Quinary
20212301030
6
Senary
2005525434
8
Octal
115741036
10
Decimal
20431390
12
Duodecimal
6a1387a
16
Hexadecimal
137c21e
20
Vigesimal
67di9a
36
Base36
c5wym
md5
d21b660019b6fd38026f9c2b14b036fe
sha1
b8decdd4c0de5511f1903709f7ed66d3e3d38dcc
sha256
c44e4d0f42e13929f042bc122308a66a74863a7aa62a90a69f4a77662fef9952
sha512
9173826cd24c2217bf2504f40d6ab515266fbea1dec0184f87842dafb4268f4ae5e565d618a820181e50b115150cc47d69f9d89f42e5b3a0ac3e35beeb976dca
ripemd-160
6c9af2d0e7e3a4a4faf146394d16d5c8f0144240
Diameter
40862780
Circumference
128374209.45326
Area
1.3114317696406E+15
Volume
3.5725831925222E+22
Surface area
5.2457270785623E+15
Circumference
128374209.45326
Perimeter
81725560
Area
417441697332100
Diagonal
28894348.836134
Surface area
2504650183992600
Volume
8.5289141204541E+21
Space diagonal
35388205.549255
Perimeter
61294170
Area
1.8075755724425E+14
Altitude
17694102.774627
Surface area
1.8075755724425E+14
Volume
1.0051421684551E+21
Height
9631449.6120447