20195894 is an even 8-digits composite number following 20195893
and preceding 20195895 . In scientific notation, it is written as 2.0195894 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 10097946 positive integers (up to 20195894) that are relatively prime to 20195894.
20195894 has 4 divisors, whose sum is 30293844
The reverse of 20195894 is 49859102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred ninety-five thousand eight hundred ninety-four
Scientific notation
2.0195894 × 10^7
Engineering notation
2.0195894 × 10^6
Prime Factorization
2 × 10097947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20195894
Product of the distinct prime numbers
The prime factorization of 20195894 is 2 × 10097947.
Since it has a total of 2 prime factors.
4 , 5 , 49 , 40 , 307 , 788 , 7391 , 5133 , 57542 , 60197 , 88454 , 363329 , 6593782 , 687086 , 24768344 , 50215227 , 479308506 , 13534340 , 2672147468 , 3774390710
n×2
40391788
n×3
60587682
n×4
80783576
n×5
100979470
n÷2
10097947
n÷3
6731964.6666667
n÷3
5048973.5
n÷5
4039178.8
n2
407874134459236
n3
8.2373827848805E+21
n4
1.6636130956087E+29
n5
3.3598153735925E+36
2 √n
4493.9842011293
3 √n
272.32511405678
4 √n
67.037185211861
5 √n
28.910301210475
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
-20195893
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 20195894 can be divided by 4 positive divisors.
The sum of these divisors (counting 20195894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000010101000110110
3
Ternary
1102000001120002
4
Quaternary
1031002220312
5
Quinary
20132232034
6
Senary
2000511302
8
Octal
115025066
10
Decimal
20195894
12
Duodecimal
691b532
16
Hexadecimal
1342a36
20
Vigesimal
6649ee
36
Base36
c0v92
md5
506d38d9b648fa39ae7d806afb73556b
sha1
348af4365ee5ae135e9198e9d57378814ba6e7fb
sha256
9d85ab40e2bd388a7e63f3715a0d1d842dd4241a566e57bef68037fdb57de555
sha512
4a286963a397b2a3f800a0c9e80d2a13ef52588e67c7f9e76830c6aad260daff5c035176419722450c8d33557a82f3cb883d7045b6bc975b4682a7e789265d4b
ripemd-160
87d5ac2d650ccf88f9d28c9054f789a25d05f4d7
Diameter
40391788
Circumference
126894544.44616
Area
1.2813743844064E+15
Volume
3.4504668322383E+22
Surface area
5.1254975376257E+15
Circumference
126894544.44616
Perimeter
80783576
Area
407874134459236
Diagonal
28561307.199049
Surface area
2447244806755416
Volume
8.2373827848805E+21
Space diagonal
34980314.512275
Perimeter
60587682
Area
1.7661468099414E+14
Altitude
17490157.256138
Surface area
1.7661468099414E+14
Volume
9.7078487106972E+20
Height
9520435.7330165