20512143 is an odd 8-digits composite number following 20512142
and preceding 20512144 . In scientific notation, it is written as 2.0512143 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 13674744 positive integers (up to 20512143) that are relatively prime to 20512143.
20512143 has 8 divisors, whose sum is 30388400
The reverse of 20512143 is 34121502
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million five hundred twelve thousand one hundred forty-three
Scientific notation
2.0512143 × 10^7
Engineering notation
2.0512143 × 10^6
Prime Factorization
9 × 3 × 759709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20512143
Product of the distinct prime numbers
The prime factorization of 20512143 is 9 × 3 × 759709.
Since it has a total of 3 prime factors.
7 , 8 , 14 , 53 , 679 , 33 , 7559 , 2110 , 23500 , 51613 , 215127 , 93584 , 5500941 , 3174921 , 43110122 , 5690042 , 921423964 , 540231987 , 2565012600 , 2004638407
n×2
41024286
n×3
61536429
n×4
82048572
n×5
102560715
n÷2
10256071.5
n÷3
6837381
n÷3
5128035.75
n÷5
4102428.6
n2
420748010452449
n3
8.6304433573661E+21
n4
1.7702888829969E+29
n5
3.6312418719344E+36
2 √n
4529.0333405706
3 √n
273.73921143446
4 √n
67.298093142158
5 √n
29.000281070955
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
-20512142
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 20512143 can be divided by 8 positive divisors.
The sum of these divisors (counting 20512143) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111110110001111
3
Ternary
1102121010101000
4
Quaternary
1032033312033
5
Quinary
20222342033
6
Senary
2011351343
8
Octal
116176617
10
Decimal
20512143
12
Duodecimal
6a52553
16
Hexadecimal
138fd8f
20
Vigesimal
684073
36
Base36
c7n9r
md5
942dd2457fe5c247996060d0fb4ae2b0
sha1
97316664d76b8a9e83dc72f88b39ec36749e8e5d
sha256
becbc1573148d2f177dfe8817377d7293f26e81448a62fc381d1084b7f6c19ec
sha512
5fb62e5c8347115443d5f3b6c08a737bf35e305ef68e88d5f2855d52b89aca59e4e381b816b499acea0e0e961929633615302bcfeef0efe2d3bbc06796c68bfc
ripemd-160
5ffab5922f9b534b44d72f4b608fde8d1ec52956
Diameter
41024286
Circumference
128881595.51637
Area
1.3218188586499E+15
Volume
3.6151116598299E+22
Surface area
5.2872754345997E+15
Circumference
128881595.51637
Perimeter
82048572
Area
420748010452449
Diagonal
29008550.823936
Surface area
2524488062714694
Volume
8.6304433573661E+21
Space diagonal
35528073.848118
Perimeter
61536429
Area
1.8218923282179E+14
Altitude
17764036.924059
Surface area
1.8218923282179E+14
Volume
1.0171075037733E+21
Height
9669516.9413121