20145143 (number)

20145143 is an odd 8-digits composite number following 20145142 and preceding 20145144. In scientific notation, it is written as 2.0145143 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20092968 positive integers (up to 20145143) that are relatively prime to 20145143.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145143 × 10^7
Engineering notation 2.0145143 × 10^6

Prime Factorization of 20145143

Prime Factorization 389 × 51787

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145143
Product of the distinct prime numbers

The prime factorization of 20145143 is 389 × 51787. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145143)

Multiplication

n×y
n×2 40290286
n×3 60435429
n×4 80580572
n×5 100725715

Division

n÷y
n÷2 10072571.5
n÷3 6715047.6666667
n÷3 5036285.75
n÷5 4029028.6

Exponentiation

ny
n2 405826786490449
n3 8.1754386470806E+21
n4 1.6469538063316E+29
n5 3.3178119942945E+36

Nth Root

y√n
2√n 4488.334100755
3√n 272.09681080265
4√n 66.995030418345
5√n 28.895756632817

Divisors of 20145143

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 -20145142
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 20145143 can be divided by 4 positive divisors. The sum of these divisors (counting 20145143) is 1, the average is 0.25.

Base conversion 20145143

Base System Value
2 Binary 1001100110110001111110111
3 Ternary 1101220110221102
4 Quaternary 1030312033313
5 Quinary 20124121033
6 Senary 1555440315
8 Octal 114661767
10 Decimal 20145143
12 Duodecimal 68b609b
16 Hexadecimal 13363f7
20 Vigesimal 65i2h3
36 Base36 bzs3b

Cryptographic Hash Functions

md5 c3d4e4c566663bbaa296ee41fe5ff152
sha1 5df4eb8afd8a708080c99d78f20e46a53ff6c6c1
sha256 a467a70f5c1a0e36b7be8ef03e9493200f04ac3ab7465e006ef942a682726f10
sha512 7a365ad9180cafc732af8c4ca5a3dc54bc1a5bd4a9b8c7c58eba5293e1eb45292425537bfa25e35569cca007a2290875263e947a5e708f50994330d8f38038d7
ripemd-160 5c2917372d22bcb31b7e27d75338a69d4f88326e

20145143 as geometric shapes

Circle

Radius = n
Diameter 40290286
Circumference 126575666.50863
Area 1.2749424510683E+15

Sphere

Radius = n
Volume 3.4245197324723E+22
Surface area 5.0997698042734E+15
Circumference 126575666.50863

Square

Length = n
Perimeter 80580572
Area 405826786490449
Diagonal 28489534.446545

Cube

Length = n
Surface area 2434960718942694
Volume 8.1754386470806E+21
Space diagonal 34892411.201741

Equilateral Triangle

Length = n
Perimeter 60435429
Area 1.7572815331847E+14
Altitude 17446205.60087

Triangular Pyramid

Length = n
Surface area 1.7572815331847E+14
Volume 9.6348468442087E+20
Height 9496511.4821818