20081185 is an odd 8-digits composite number following 20081184
and preceding 20081186 . In scientific notation, it is written as 2.0081185 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 14988160 positive integers (up to 20081185) that are relatively prime to 20081185.
20081185 has 16 divisors, whose sum is 25764480
The reverse of 20081185 is 58118002
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eighty-one thousand one hundred eighty-five
Scientific notation
2.0081185 × 10^7
Engineering notation
2.0081185 × 10^6
Prime Factorization
5 × 23 × 41 × 4259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20081185
Product of the distinct prime numbers
The prime factorization of 20081185 is 5 × 23 × 41 × 4259.
Since it has a total of 4 prime factors.
4 , 5 , 73 , 2 , 27 , 738 , 5746 , 3254 , 6465 , 56978 , 367160 , 995689 , 6206553 , 7222903 , 1335918 , 38402706 , 995974783 , 73282492 , 3705075501 , 9037160552
n×2
40162370
n×3
60243555
n×4
80324740
n×5
100405925
n÷2
10040592.5
n÷3
6693728.3333333
n÷3
5020296.25
n÷5
4016237
n2
403253991004225
n3
8.0978179953442E+21
n4
1.6261378126084E+29
n5
3.2654774250484E+36
2 √n
4481.2035213768
3 √n
271.80854913592
4 √n
66.941792038881
5 √n
28.877385293526
1 , 5 , 23 , 41 , 115 , 205 , 943 , 4259 , 4715 , 21295 , 97957 , 174619 , 489785 , 873095 , 4016237 , 20081185
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081184
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081185 can be divided by 16 positive divisors.
The sum of these divisors (counting 20081185) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100110101000100001
3
Ternary
1101210020012121
4
Quaternary
1030212220201
5
Quinary
20120044220
6
Senary
1554224241
8
Octal
114465041
10
Decimal
20081185
12
Duodecimal
6885081
16
Hexadecimal
1326a21
20
Vigesimal
65a2j5
36
Base36
byeqp
md5
8013f65a447ccaca510da524974dbf3b
sha1
51d46ff4189f2e89d6f15a9d7a169edf3ea06547
sha256
ed6035f6b399601331200f0a76f5ac5764590d6d6c1212d9f5149160d66d313e
sha512
fdd82bdad1a593f1ec8d8ed6b787e952a643b615c9c57116e90ebc9d977b39770a6117f05a8607a9e1ec76cea264fb23c550a2d01b2280f64c84fe0fdfc434e1
ripemd-160
c90ef6c4767b8dea1c28c2826a07a44f15532ffd
Diameter
40162370
Circumference
126173806.54276
Area
1.2668597756696E+15
Volume
3.3920060699041E+22
Surface area
5.0674391026786E+15
Circumference
126173806.54276
Perimeter
80324740
Area
403253991004225
Diagonal
28399084.175523
Surface area
2419523946025350
Volume
8.0978179953442E+21
Space diagonal
34781632.69619
Perimeter
60243555
Area
1.7461410019356E+14
Altitude
17390816.348095
Surface area
1.7461410019356E+14
Volume
9.5433700288705E+20
Height
9466361.3918411