20188638 is an even 8-digits composite number following 20188637
and preceding 20188639 . In scientific notation, it is written as 2.0188638 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 6680304 positive integers (up to 20188638) that are relatively prime to 20188638.
20188638 has 8 divisors, whose sum is 30310920
The reverse of 20188638 is 83688102
Previous prime number is 1251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred eighty-eight thousand six hundred thirty-eight
Scientific notation
2.0188638 × 10^7
Engineering notation
2.0188638 × 10^6
Prime Factorization
2 × 1251 × 8069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20188638
Product of the distinct prime numbers
The prime factorization of 20188638 is 2 × 1251 × 8069.
Since it has a total of 3 prime factors.
10 , 5 , 44 , 67 , 514 , 796 , 6114 , 3816 , 8692 , 32595 , 605203 , 937279 , 9737378 , 3914681 , 87538716 , 1365134 , 631145372 , 492268169 , 7997967581 , 5721808684
n×2
40377276
n×3
60565914
n×4
80754552
n×5
100943190
n÷2
10094319
n÷3
6729546
n÷3
5047159.5
n÷5
4037727.6
n2
407581104295044
n3
8.2285073702529E+21
n4
1.6612235657837E+29
n5
3.3537841206676E+36
2 √n
4493.1768271458
3 √n
272.29249640819
4 √n
67.031163104528
5 √n
28.908223527763
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
-20188637
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 20188638 can be divided by 8 positive divisors.
The sum of these divisors (counting 20188638) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000000110111011110
3
Ternary
1101222200121100
4
Quaternary
1031000313132
5
Quinary
20132014023
6
Senary
2000413530
8
Octal
115006736
10
Decimal
20188638
12
Duodecimal
69172a6
16
Hexadecimal
1340dde
20
Vigesimal
663bbi
36
Base36
c0pni
md5
5b5f0084e6db0e5ffbe6ac885d790e5e
sha1
15546c7ce8fc21380dcb8cd65fce765043de8267
sha256
81880f7796859e0f1f41336dd84152011c944e91c75d9fd05cf4ea1273b200aa
sha512
fa0c193db6cf262a5431714d9e84c9ea6113ea5698a0c91ea7d3a173078946976e1cfe43f66683cc956f434f5320ccce51c2ed337e417960526c9a75999eb6c3
ripemd-160
f0549f7743cbff9e943ee922b9f447cc87443867
Diameter
40377276
Circumference
126848953.65357
Area
1.2804538029953E+15
Volume
3.4467491072528E+22
Surface area
5.1218152119813E+15
Circumference
126848953.65357
Perimeter
80754552
Area
407581104295044
Diagonal
28551045.665441
Surface area
2445486625770264
Volume
8.2285073702529E+21
Space diagonal
34967746.751616
Perimeter
60565914
Area
1.7648779521101E+14
Altitude
17483873.375808
Surface area
1.7648779521101E+14
Volume
9.6973889342488E+20
Height
9517015.2218136