20512143 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand one hundred forty-three

Notation

Scientific notation 2.0512143 × 10^7
Engineering notation 2.0512143 × 10^6

Prime Factorization of 20512143

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.

Most popular turbo-numbers

Basic calculations (n = 20512143)

Multiplication

n×y
n×2 41024286
n×3 61536429
n×4 82048572
n×5 102560715

Division

n÷y
n÷2 10256071.5
n÷3 6837381
n÷3 5128035.75
n÷5 4102428.6

Exponentiation

ny
n2 420748010452449
n3 8.6304433573661E+21
n4 1.7702888829969E+29
n5 3.6312418719344E+36

Nth Root

y√n
2√n 4529.0333405706
3√n 273.73921143446
4√n 67.298093142158
5√n 29.000281070955

Divisors of 20512143

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 conversion 20512143

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

Cryptographic Hash Functions

md5 942dd2457fe5c247996060d0fb4ae2b0
sha1 97316664d76b8a9e83dc72f88b39ec36749e8e5d
sha256 becbc1573148d2f177dfe8817377d7293f26e81448a62fc381d1084b7f6c19ec
sha512 5fb62e5c8347115443d5f3b6c08a737bf35e305ef68e88d5f2855d52b89aca59e4e381b816b499acea0e0e961929633615302bcfeef0efe2d3bbc06796c68bfc
ripemd-160 5ffab5922f9b534b44d72f4b608fde8d1ec52956

20512143 as geometric shapes

Circle

Radius = n
Diameter 41024286
Circumference 128881595.51637
Area 1.3218188586499E+15

Sphere

Radius = n
Volume 3.6151116598299E+22
Surface area 5.2872754345997E+15
Circumference 128881595.51637

Square

Length = n
Perimeter 82048572
Area 420748010452449
Diagonal 29008550.823936

Cube

Length = n
Surface area 2524488062714694
Volume 8.6304433573661E+21
Space diagonal 35528073.848118

Equilateral Triangle

Length = n
Perimeter 61536429
Area 1.8218923282179E+14
Altitude 17764036.924059

Triangular Pyramid

Length = n
Surface area 1.8218923282179E+14
Volume 1.0171075037733E+21
Height 9669516.9413121