20450143 is an odd 8-digits composite number following 20450142
and preceding 20450144 . In scientific notation, it is written as 2.0450143 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 17420184 positive integers (up to 20450143) that are relatively prime to 20450143.
20450143 has 8 divisors, whose sum is 23516288
The reverse of 20450143 is 34105402
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million four hundred fifty thousand one hundred forty-three
Scientific notation
2.0450143 × 10^7
Engineering notation
2.0450143 × 10^6
Prime Factorization
7 × 163 × 17923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20450143
Product of the distinct prime numbers
The prime factorization of 20450143 is 7 × 163 × 17923.
Since it has a total of 3 prime factors.
7 , 10 , 46 , 42 , 294 , 386 , 8353 , 1855 , 9702 , 63109 , 877492 , 718112 , 3057964 , 107628 , 87404974 , 92757652 , 119510820 , 241699469 , 4476826613 , 4292403219
n×2
40900286
n×3
61350429
n×4
81800572
n×5
102250715
n÷2
10225071.5
n÷3
6816714.3333333
n÷3
5112535.75
n÷5
4090028.6
n2
418208348720449
n3
8.552420535127E+21
n4
1.7489822293948E+29
n5
3.5766936695583E+36
2 √n
4522.1834328121
3 √n
273.46313172295
4 √n
67.247181597537
5 √n
28.982728587511
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
-20450142
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 20450143 can be divided by 8 positive divisors.
The sum of these divisors (counting 20450143) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110000000101101011111
3
Ternary
1102110222022201
4
Quaternary
1032000231133
5
Quinary
20213401033
6
Senary
2010152331
8
Octal
116005537
10
Decimal
20450143
12
Duodecimal
6a226a7
16
Hexadecimal
1380b5f
20
Vigesimal
67g573
36
Base36
c6bfj
md5
bc59adee8a1cd107512567a7fcc2dc66
sha1
c79eef5e65f6486b0434372a8d3d37449b02068a
sha256
4ae2737e290f364b1f6029666f94446d8b975478bce50a9f91e3691075745bf6
sha512
1f1a7d2d893e237fe8a31547d923f985999a703100b95dc5760bc56fb4b76248dff58fc6cc72ccdf5c4e7f7e52c29ed67b1f055e96a4999e504d6cdd4cf81af8
ripemd-160
c92ffca5f4f6102ac5da6259686470646ec61a94
Diameter
40900286
Circumference
128492038.02732
Area
1.3138402760101E+15
Volume
3.5824295364754E+22
Surface area
5.2553611040403E+15
Circumference
128492038.02732
Perimeter
81800572
Area
418208348720449
Diagonal
28920869.583069
Surface area
2509250092322694
Volume
8.552420535127E+21
Space diagonal
35420686.698049
Perimeter
61350429
Area
1.8108952703333E+14
Altitude
17710343.349025
Surface area
1.8108952703333E+14
Volume
1.0079124259912E+21
Height
9640289.8610231