20157428 is an even 8-digits composite number following 20157427
and preceding 20157429 . In scientific notation, it is written as 2.0157428 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 6 positive divisors.
There are 10078712 positive integers (up to 20157428) that are relatively prime to 20157428.
20157428 has 6 divisors, whose sum is 35275506
The reverse of 20157428 is 82475102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred fifty-seven thousand four hundred twenty-eight
Scientific notation
2.0157428 × 10^7
Engineering notation
2.0157428 × 10^6
Prime Factorization
2 × 2 × 5039357
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10078714
Product of the distinct prime numbers
The prime factorization of 20157428 is 2 × 2 × 5039357.
Since it has a total of 3 prime factors.
4 , 9 , 50 , 90 , 358 , 267 , 3917 , 2336 , 64968 , 88266 , 912989 , 345932 , 6084419 , 6306383 , 70209725 , 82572366 , 926660037 , 17820915 , 7284623168 , 7073172567
n×2
40314856
n×3
60472284
n×4
80629712
n×5
100787140
n÷2
10078714
n÷3
6719142.6666667
n÷3
5039357
n÷5
4031485.6
n2
406321903575184
n3
8.1904045161397E+21
n4
1.6509748932496E+29
n5
3.3279407540487E+36
2 √n
4489.7024400287
3 √n
272.1521099892
4 √n
67.005241884712
5 √n
28.899280041021
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20157427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20157428 can be divided by 6 positive divisors.
The sum of these divisors (counting 20157428) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100111001001111110100
3
Ternary
1101221002210102
4
Quaternary
1030321033310
5
Quinary
20130014203
6
Senary
2000013232
8
Octal
114711764
10
Decimal
20157428
12
Duodecimal
6901218
16
Hexadecimal
13393f4
20
Vigesimal
65jdb8
36
Base36
c01kk
md5
7bb74116c4b27ebf39b399d7b33a15c7
sha1
654c3351a9279afbc64e53e2edbf2fea594dff52
sha256
06a37304f8a0d7f98a4bdc5dc084ed5cdd0495040cb41ca99f584f9dbe69e35b
sha512
df7d3fa77c61eb2f51f34a3a7493172459cb03dbfa35695ec6cab9338d4ccd6c6b983c191178bc395d8e1fd08715e8cd76744b442ae7ad79347552711af650d1
ripemd-160
de8506e7d898088cab564c03ec978e3faaedda3d
Diameter
40314856
Circumference
126652855.44013
Area
1.2764979072644E+15
Volume
3.4307886210444E+22
Surface area
5.1059916290577E+15
Circumference
126652855.44013
Perimeter
80629712
Area
406321903575184
Diagonal
28506908.060159
Surface area
2437931421451104
Volume
8.1904045161397E+21
Space diagonal
34913689.445911
Perimeter
60472284
Area
1.7594254530508E+14
Altitude
17456844.722956
Surface area
1.7594254530508E+14
Volume
9.6524842900389E+20
Height
9502302.6867197