20195581 is an odd 8-digits composite number following 20195580
and preceding 20195582 . In scientific notation, it is written as 2.0195581 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 17183328 positive integers (up to 20195581) that are relatively prime to 20195581.
20195581 has 8 divisors, whose sum is 23250240
The reverse of 20195581 is 18559102
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred ninety-five thousand five hundred eighty-one
Scientific notation
2.0195581 × 10^7
Engineering notation
2.0195581 × 10^6
Prime Factorization
7 × 137 × 21059
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20195581
Product of the distinct prime numbers
The prime factorization of 20195581 is 7 × 137 × 21059.
Since it has a total of 3 prime factors.
8 , 6 , 49 , 10 , 286 , 703 , 8121 , 7234 , 64936 , 25140 , 267708 , 160109 , 9338868 , 3912019 , 39421843 , 17766088 , 364891174 , 734666954 , 6473503141 , 3090971956
n×2
40391162
n×3
60586743
n×4
80782324
n×5
100977905
n÷2
10097790.5
n÷3
6731860.3333333
n÷3
5048895.25
n÷5
4039116.2
n2
407861491927561
n3
8.2369997970039E+21
n4
1.6635099659738E+29
n5
3.359555026213E+36
2 √n
4493.9493766619
3 √n
272.32370719983
4 √n
67.036925471429
5 √n
28.910211598395
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
-20195580
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 20195581 can be divided by 8 positive divisors.
The sum of these divisors (counting 20195581) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000010100011111101
3
Ternary
1102000001010111
4
Quaternary
1031002203331
5
Quinary
20132224311
6
Senary
2000510021
8
Octal
115024375
10
Decimal
20195581
12
Duodecimal
691b311
16
Hexadecimal
13428fd
20
Vigesimal
6648j1
36
Base36
c0v0d
md5
96a1a63b26cb0dfff898289d63ca6f7e
sha1
93c80a365df3ae323f112429f13cc29af62b1886
sha256
cf0c55c6517c60696ab65e0d1c3742f04cece5f86608ca4d61577e9fcb00b9bb
sha512
bab4692b6b2672c2acb2f01f5658d5c1c043a904364c537a9786ea522a9c1da34c20f8d664816e8a748c3a0fd2dbbbe78a7d46f663a58fbfedd208f09d614de6
ripemd-160
fa681624978867a45431ac0c4eb622a860300992
Diameter
40391162
Circumference
126892577.80916
Area
1.2813346667218E+15
Volume
3.4503064066517E+22
Surface area
5.1253386668872E+15
Circumference
126892577.80916
Perimeter
80782324
Area
407861491927561
Diagonal
28560864.550204
Surface area
2447168951565366
Volume
8.2369997970039E+21
Space diagonal
34979772.380373
Perimeter
60586743
Area
1.7660920661734E+14
Altitude
17489886.190186
Surface area
1.7660920661734E+14
Volume
9.7073973551561E+20
Height
9520288.1834015