20393438 is an even 8-digits composite number following 20393437
and preceding 20393439 . In scientific notation, it is written as 2.0393438 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors.
There are 8128512 positive integers (up to 20393438) that are relatively prime to 20393438.
20393438 has 32 divisors, whose sum is 33406560
The reverse of 20393438 is 83439302
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million three hundred ninety-three thousand four hundred thirty-eight
Scientific notation
2.0393438 × 10^7
Engineering notation
2.0393438 × 10^6
Prime Factorization
2 × 221 × 29 × 37 × 43
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20393438
Product of the distinct prime numbers
The prime factorization of 20393438 is 2 × 221 × 29 × 37 × 43.
Since it has a total of 5 prime factors.
6 , 8 , 3 , 26 , 929 , 423 , 5259 , 5992 , 53481 , 73017 , 387221 , 698624 , 5565718 , 8678285 , 25383360 , 59873138 , 586822169 , 218606145 , 9420254240 , 8490594110
n×2
40786876
n×3
61180314
n×4
81573752
n×5
101967190
n÷2
10196719
n÷3
6797812.6666667
n÷3
5098359.5
n÷5
4078687.6
n2
415892313459844
n3
8.4814741092199E+21
n4
1.7296641639498E+29
n5
3.5273798888332E+36
2 √n
4515.9094322185
3 √n
273.21014112743
4 √n
67.200516606783
5 √n
28.966637829703
1 , 2 , 29 , 37 , 43 , 58 , 74 , 86 , 221 , 442 , 1073 , 1247 , 1591 , 2146 , 2494 , 3182 , 6409 , 8177 , 9503 , 12818 , 16354 , 19006 , 46139 , 92278 , 237133 , 275587 , 351611 , 474266 , 551174 , 703222 , 10196719 , 20393438
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20393437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20393438 can be divided by 32 positive divisors.
The sum of these divisors (counting 20393438) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110010110111011110
3
Ternary
1102101002112112
4
Quaternary
1031302313132
5
Quinary
20210042223
6
Senary
2005034022
8
Octal
115626736
10
Decimal
20393438
12
Duodecimal
69b5912
16
Hexadecimal
1372dde
20
Vigesimal
6793bi
36
Base36
c53oe
md5
34e51016b1b78ea3e7a41689a4f8a01b
sha1
652ede22bb3c30973d361c8a5bfc55e232f83349
sha256
3d1c64a1334d78acdc0a6bec2dc9395e0748dae43735f0e1eab482bc172db3e3
sha512
7c93561a18392896e396adcad9ef0e8d35962377fc8ad867984ca3aca7fda2ad900d7c763f344a82a58a108274baf28b6ce15fa4c164462a6e3e7ad3542af85b
ripemd-160
0a6a6394a7f123092b117e02b21ae63b9e37e332
Diameter
40786876
Circumference
128135750.00448
Area
1.3065642366499E+15
Volume
3.552711567085E+22
Surface area
5.2262569465996E+15
Circumference
128135750.00448
Perimeter
81573752
Area
415892313459844
Diagonal
28840676.603015
Surface area
2495353880759064
Volume
8.4814741092199E+21
Space diagonal
35322470.757006
Perimeter
61180314
Area
1.8008665434745E+14
Altitude
17661235.378503
Surface area
1.8008665434745E+14
Volume
9.9955130951459E+20
Height
9613558.8676716