20187942 is an even 8-digits composite number following 20187941
and preceding 20187943 . In scientific notation, it is written as 2.0187942 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6333440 positive integers (up to 20187942) that are relatively prime to 20187942.
20187942 has 16 divisors, whose sum is 42751152
The reverse of 20187942 is 24978102
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred eighty-seven thousand nine hundred forty-two
Scientific notation
2.0187942 × 10^7
Engineering notation
2.0187942 × 10^6
Prime Factorization
2 × 3 × 17 × 197921
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20187942
Product of the distinct prime numbers
The prime factorization of 20187942 is 2 × 3 × 17 × 197921.
Since it has a total of 4 prime factors.
3 , 1 , 86 , 52 , 311 , 970 , 9173 , 2863 , 15059 , 37955 , 559376 , 264825 , 1412444 , 9518232 , 80532729 , 43929391 , 368775681 , 267403871 , 3798042528 , 5869636182
n×2
40375884
n×3
60563826
n×4
80751768
n×5
100939710
n÷2
10093971
n÷3
6729314
n÷3
5046985.5
n÷5
4037588.4
n2
407553002195364
n3
8.2276563702459E+21
n4
1.6609944959845E+29
n5
3.3532060547255E+36
2 √n
4493.0993757094
3 √n
272.28936729244
4 √n
67.030585374957
5 √n
28.908024203757
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 197921 , 395842 , 593763 , 1187526 , 3364657 , 6729314 , 10093971 , 20187942
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
-20187941
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 20187942 can be divided by 16 positive divisors.
The sum of these divisors (counting 20187942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000101100100110
3
Ternary
1101222122122120
4
Quaternary
1031000230212
5
Quinary
20132003232
6
Senary
2000410410
8
Octal
115005446
10
Decimal
20187942
12
Duodecimal
6916a06
16
Hexadecimal
1340b26
20
Vigesimal
6639h2
36
Base36
c0p46
md5
52dac4199086ea51a0c2c3e50f9fa651
sha1
05d2169661cebf56151288160191258f95d4085e
sha256
1e7f43162aa9d281032647a5daad2a194aaf013de548a95af8273a2d54abf0da
sha512
87396887d2d4ca90e4e4e8cbde0903139c9d264c76d1660080bde4c89b53b3d78f1c3accea18d8600b8c0a605c911f6b0eb0f4563cd6295f19fcc0c09a943d95
ripemd-160
c95ab469e9610ac9c98e3c653d9242e3ee0f2af9
Diameter
40375884
Circumference
126844580.55659
Area
1.2803655176454E+15
Volume
3.4463926412034E+22
Surface area
5.1214620705817E+15
Circumference
126844580.55659
Perimeter
80751768
Area
407553002195364
Diagonal
28550061.372801
Surface area
2445318013172184
Volume
8.2276563702459E+21
Space diagonal
34966541.244254
Perimeter
60563826
Area
1.764756266449E+14
Altitude
17483270.622127
Surface area
1.764756266449E+14
Volume
9.6963860211226E+20
Height
9516687.1242671