20156742 is an even 8-digits composite number following 20156741
and preceding 20156743 . In scientific notation, it is written as 2.0156742 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 6718896 positive integers (up to 20156742) that are relatively prime to 20156742.
20156742 has 8 divisors, whose sum is 31355016
The reverse of 20156742 is 24765102
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred fifty-six thousand seven hundred forty-two
Scientific notation
2.0156742 × 10^7
Engineering notation
2.0156742 × 10^6
Prime Factorization
2 × 27 × 373273
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20156742
Product of the distinct prime numbers
The prime factorization of 20156742 is 2 × 27 × 373273.
Since it has a total of 3 prime factors.
5 , 10 , 1 , 90 , 689 , 234 , 310 , 2886 , 254 , 95646 , 296620 , 193377 , 8042233 , 3047810 , 71523773 , 16574188 , 946815511 , 139121289 , 5211765582 , 2110730524
n×2
40313484
n×3
60470226
n×4
80626968
n×5
100783710
n÷2
10078371
n÷3
6718914
n÷3
5039185.5
n÷5
4031348.4
n2
406294248054564
n3
8.1895683341198E+21
n4
1.6507501600222E+29
n5
3.3273745082027E+36
2 √n
4489.6260423336
3 √n
272.14902264979
4 √n
67.004671794835
5 √n
28.899083337593
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
-20156741
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 20156742 can be divided by 8 positive divisors.
The sum of these divisors (counting 20156742) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111001000101000110
3
Ternary
1101221001212000
4
Quaternary
1030321011012
5
Quinary
20130003432
6
Senary
2000010130
8
Octal
114710506
10
Decimal
20156742
12
Duodecimal
6900946
16
Hexadecimal
1339146
20
Vigesimal
65jbh2
36
Base36
c011i
md5
1ebe2a67406c82c667a6d9ba67dbdf35
sha1
76c7b87137878e7fcf324b0d3cc89d43c10901f7
sha256
8f8823006a526cfd1e4d541bc007ca3c10d114825cb08849267f49ccd2024eaa
sha512
5b93a5677b5712706b1d11dd0ac2fbd396641f317409a3fd3e243db6a3991ee6068e3e17e3b129bfc9cbec64910632b4a26879d247c033c6cf6bfeac98228a8a
ripemd-160
6f9bf1da009f4cdd6d314e28ced530f9b5660a4e
Diameter
40313484
Circumference
126648545.17501
Area
1.276411024884E+15
Volume
3.430438361939E+22
Surface area
5.105644099536E+15
Circumference
126648545.17501
Perimeter
80626968
Area
406294248054564
Diagonal
28505937.909655
Surface area
2437765488327384
Volume
8.1895683341198E+21
Space diagonal
34912501.259058
Perimeter
60470226
Area
1.7593057011337E+14
Altitude
17456250.629529
Surface area
1.7593057011337E+14
Volume
9.6514988400779E+20
Height
9501979.3032185