20081188 is an even 8-digits composite number following 20081187
and preceding 20081189 . In scientific notation, it is written as 2.0081188 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 9973800 positive integers (up to 20081188) that are relatively prime to 20081188.
20081188 has 12 divisors, whose sum is 35375872
The reverse of 20081188 is 88118002
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eighty-one thousand one hundred eighty-eight
Scientific notation
2.0081188 × 10^7
Engineering notation
2.0081188 × 10^6
Prime Factorization
2 × 2 × 151 × 33247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10040594
Product of the distinct prime numbers
The prime factorization of 20081188 is 2 × 2 × 151 × 33247.
Since it has a total of 4 prime factors.
7 , 4 , 1 , 12 , 362 , 3 , 2927 , 6249 , 17930 , 91455 , 298333 , 886201 , 7150371 , 9638619 , 46968659 , 7637780 , 716742815 , 282881489 , 382020844 , 4906014115
n×2
40162376
n×3
60243564
n×4
80324752
n×5
100405940
n÷2
10040594
n÷3
6693729.3333333
n÷3
5020297
n÷5
4016237.6
n2
403254111491344
n3
8.0978216246306E+21
n4
1.6261387843467E+29
n5
3.2654798642558E+36
2 √n
4481.2038561083
3 √n
271.8085626714
4 √n
66.941794539049
5 √n
28.877386156346
1 , 2 , 4 , 151 , 302 , 604 , 33247 , 66494 , 132988 , 5020297 , 10040594 , 20081188
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
-20081187
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 20081188 can be divided by 12 positive divisors.
The sum of these divisors (counting 20081188) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100100110101000100100
3
Ternary
1101210020012201
4
Quaternary
1030212220210
5
Quinary
20120044223
6
Senary
1554224244
8
Octal
114465044
10
Decimal
20081188
12
Duodecimal
6885084
16
Hexadecimal
1326a24
20
Vigesimal
65a2j8
36
Base36
byeqs
md5
c342b27f7b769850f86f723c58a7681e
sha1
02d1eb41f71cfe63bdf7feb68f3dcdf106a410fa
sha256
e5903e3668c7924799e4981ded1602de2b6fee00b6130630484263f1c7298d8f
sha512
cced9638ac7971d3d52c70a71e0151f8c1a8bf8387dda24a5a8d985ad8724eff504169ff941b81a95471534b2b55ffbe98c4db100d9495d4b375b77a82a3abbb
ripemd-160
f23c2501192a7d8d06eaecb2c4e53aeefa3e6f92
Diameter
40162376
Circumference
126173825.39231
Area
1.2668601541911E+15
Volume
3.392007590136E+22
Surface area
5.0674406167643E+15
Circumference
126173825.39231
Perimeter
80324752
Area
403254111491344
Diagonal
28399088.418164
Surface area
2419524668948064
Volume
8.0978216246306E+21
Space diagonal
34781637.892342
Perimeter
60243564
Area
1.7461415236601E+14
Altitude
17390818.946171
Surface area
1.7461415236601E+14
Volume
9.5433743060257E+20
Height
9466362.8060546