20145142 is an even 8-digits composite number following 20145141
and preceding 20145143 . In scientific notation, it is written as 2.0145142 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 10072570 positive integers (up to 20145142) that are relatively prime to 20145142.
20145142 has 4 divisors, whose sum is 30217716
The reverse of 20145142 is 24154102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred forty-five thousand one hundred forty-two
Scientific notation
2.0145142 × 10^7
Engineering notation
2.0145142 × 10^6
Prime Factorization
2 × 10072571
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145142
Product of the distinct prime numbers
The prime factorization of 20145142 is 2 × 10072571.
Since it has a total of 2 prime factors.
1 , 4 , 49 , 79 , 913 , 919 , 8099 , 4728 , 87303 , 91268 , 728133 , 925920 , 9516698 , 9246224 , 73659615 , 46855436 , 359483707 , 687849432 , 2450042566 , 5852576358
n×2
40290284
n×3
60435426
n×4
80580568
n×5
100725710
n÷2
10072571
n÷3
6715047.3333333
n÷3
5036285.5
n÷5
4029028.4
n2
405826746200164
n3
8.1754374296003E+21
n4
1.6469534793141E+29
n5
3.3178111708177E+36
2 √n
4488.3339893551
3 √n
272.09680630038
4 √n
66.995029586941
5 √n
28.895756345941
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
-20145141
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 20145142 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145142) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110001111110110
3
Ternary
1101220110221101
4
Quaternary
1030312033312
5
Quinary
20124121032
6
Senary
1555440314
8
Octal
114661766
10
Decimal
20145142
12
Duodecimal
68b609a
16
Hexadecimal
13363f6
20
Vigesimal
65i2h2
36
Base36
bzs3a
md5
66e913f64aa2052cfac7d5da89305efd
sha1
1f5fdfb26ee300f1f511105380d5c0ece053de79
sha256
64fe9d3171349b1f3e625f481570758bfd6e91d142b941ffb249a1a95dd75beb
sha512
5d2ad583b8a1bae8616091878d58cbfdff450dabaa749fdac6d2bee9e8611447fd86b5c4657872ed0cbc81bbd4e0a0dccf7caab6c4e0559375f21f03ad334293
ripemd-160
eefb72ab47da7903f1d749ac4ad0a9c859da04fd
Diameter
40290284
Circumference
126575660.22545
Area
1.2749423244927E+15
Volume
3.4245192224954E+22
Surface area
5.0997692979707E+15
Circumference
126575660.22545
Perimeter
80580568
Area
405826746200164
Diagonal
28489533.032332
Surface area
2434960477200984
Volume
8.1754374296003E+21
Space diagonal
34892409.46969
Perimeter
60435426
Area
1.7572813587226E+14
Altitude
17446204.734845
Surface area
1.7572813587226E+14
Volume
9.6348454093944E+20
Height
9496511.0107773