20189942 is an even 8-digits composite number following 20189941
and preceding 20189943 . In scientific notation, it is written as 2.0189942 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 10094970 positive integers (up to 20189942) that are relatively prime to 20189942.
20189942 has 4 divisors, whose sum is 30284916
The reverse of 20189942 is 24998102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred eighty-nine thousand nine hundred forty-two
Scientific notation
2.0189942 × 10^7
Engineering notation
2.0189942 × 10^6
Prime Factorization
2 × 10094971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20189942
Product of the distinct prime numbers
The prime factorization of 20189942 is 2 × 10094971.
Since it has a total of 2 prime factors.
4 , 2 , 28 , 35 , 604 , 150 , 1683 , 3508 , 95988 , 94061 , 555797 , 82976 , 3874493 , 1665146 , 83047057 , 40927626 , 69444133 , 819100073 , 9579422216 , 5872463130
n×2
40379884
n×3
60569826
n×4
80759768
n×5
100949710
n÷2
10094971
n÷3
6729980.6666667
n÷3
5047485.5
n÷5
4037988.4
n2
407633757963364
n3
8.2301019305224E+21
n4
1.6616528063133E+29
n5
3.3548673783604E+36
2 √n
4493.3219337145
3 √n
272.29835881077
4 √n
67.032245477192
5 √n
28.908596959092
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20189941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20189942 can be divided by 4 positive divisors.
The sum of these divisors (counting 20189942) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000001001011110110
3
Ternary
1101222202101122
4
Quaternary
1031001023312
5
Quinary
20132034232
6
Senary
2000423542
8
Octal
115011366
10
Decimal
20189942
12
Duodecimal
6917bb2
16
Hexadecimal
13412f6
20
Vigesimal
663eh2
36
Base36
c0qnq
md5
ecb463e79e078280d9eac4ae38b35fad
sha1
a1023a297063ae586e175f73cc7e595718ab7f86
sha256
b42c7431e5dedc86e6c0a50629efaa04656eef63b8332440b82d5d46169997df
sha512
9d27f1acd8c42f89aaaf606886de14594ab1e83f7ab4e00b33f8c2604278ebb8c9df33bdf995ce595bb1255cdd7623e249379da73269eea45924a56677156ef5
ripemd-160
86d428e3e48c6f027ab95c574bd27909c441d5c5
Diameter
40379884
Circumference
126857146.92721
Area
1.2806192193729E+15
Volume
3.4474170350966E+22
Surface area
5.1224768774916E+15
Circumference
126857146.92721
Perimeter
80759768
Area
407633757963364
Diagonal
28552889.799926
Surface area
2445802547780184
Volume
8.2301019305224E+21
Space diagonal
34970005.345869
Perimeter
60569826
Area
1.765105949182E+14
Altitude
17485002.672934
Surface area
1.765105949182E+14
Volume
9.6992681415481E+20
Height
9517629.9333087