20195428 is an even 8-digits composite number following 20195427
and preceding 20195429 . In scientific notation, it is written as 2.0195428 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 9179720 positive integers (up to 20195428) that are relatively prime to 20195428.
20195428 has 12 divisors, whose sum is 38554992
The reverse of 20195428 is 82459102
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred ninety-five thousand four hundred twenty-eight
Scientific notation
2.0195428 × 10^7
Engineering notation
2.0195428 × 10^6
Prime Factorization
2 × 2 × 11 × 458987
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10097714
Product of the distinct prime numbers
The prime factorization of 20195428 is 2 × 2 × 11 × 458987.
Since it has a total of 4 prime factors.
10 , 5 , 31 , 99 , 211 , 38 , 1386 , 3188 , 11310 , 88418 , 388753 , 427397 , 5532675 , 3328889 , 45352258 , 66495370 , 239505643 , 131302760 , 8032985658 , 5824752951
n×2
40390856
n×3
60586284
n×4
80781712
n×5
100977140
n÷2
10097714
n÷3
6731809.3333333
n÷3
5048857
n÷5
4039085.6
n2
407855312103184
n3
8.2368125899974E+21
n4
1.6634595561079E+29
n5
3.3594277696288E+36
2 √n
4493.932353741
3 √n
272.3230194977
4 √n
67.03679850456
5 √n
28.910167794003
1 , 2 , 4 , 11 , 22 , 44 , 458987 , 917974 , 1835948 , 5048857 , 10097714 , 20195428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20195427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20195428 can be divided by 12 positive divisors.
The sum of these divisors (counting 20195428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000010100001100100
3
Ternary
1102000000220211
4
Quaternary
1031002201210
5
Quinary
20132223203
6
Senary
2000505204
8
Octal
115024144
10
Decimal
20195428
12
Duodecimal
691b204
16
Hexadecimal
1342864
20
Vigesimal
6648b8
36
Base36
c0uw4
md5
6fd2a26f6e09b2d9b366e0ae36554e6a
sha1
0a4b62dca6605d13bd23fca842fe306047cfd454
sha256
49bd3edcc70ccec00ee3f715f498dae6671e96a51d0b131e5ab820747a881d97
sha512
2953762984461ba3b2abbba743c7a9cab0e5e4720bccf4ad62094b5c1dc31365ca05f50f5fd3e179a7e09667f52ecb904434d5a5335fb946e605eba1f0a73a96
ripemd-160
cae6f0b762c655c17f6f35491fe1cdbe64363925
Diameter
40390856
Circumference
126891616.4818
Area
1.2813152522309E+15
Volume
3.4502279895642E+22
Surface area
5.1252610089237E+15
Circumference
126891616.4818
Perimeter
80781712
Area
407855312103184
Diagonal
28560648.175529
Surface area
2447131872619104
Volume
8.2368125899974E+21
Space diagonal
34979507.376599
Perimeter
60586284
Area
1.7660653067489E+14
Altitude
17489753.6883
Surface area
1.7660653067489E+14
Volume
9.7071767295831E+20
Height
9520216.0585098