21031143 (number)

21031143 is an odd 8-digits composite number following 21031142 and preceding 21031144. In scientific notation, it is written as 2.1031143 × 10^7. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 11859120 positive integers (up to 21031143) that are relatively prime to 21031143.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031143 × 10^7
Engineering notation 2.1031143 × 10^6

Prime Factorization of 21031143

Prime Factorization 3 × 49 × 79 × 1811

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031143
Product of the distinct prime numbers

The prime factorization of 21031143 is 3 × 49 × 79 × 1811. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031143)

Multiplication

n×y
n×2 42062286
n×3 63093429
n×4 84124572
n×5 105155715

Division

n÷y
n÷2 10515571.5
n÷3 7010381
n÷3 5257785.75
n÷5 4206228.6

Exponentiation

ny
n2 442308975886449
n3 9.3022633220515E+21
n4 1.9563723014972E+29
n5 4.1144745634027E+36

Nth Root

y√n
2√n 4585.9724159659
3√n 276.02873309348
4√n 67.719808150687
5√n 29.145571478674

Divisors of 21031143

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031142
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031143 can be divided by 16 positive divisors. The sum of these divisors (counting 21031143) is 1, the average is 0.0625.

Base conversion 21031143

Base System Value
2 Binary 1010000001110100011100111
3 Ternary 1110120111022020
4 Quaternary 1100032203213
5 Quinary 20340444033
6 Senary 2030434223
8 Octal 120164347
10 Decimal 21031143
12 Duodecimal 7062973
16 Hexadecimal 140e8e7
20 Vigesimal 6b8hh3
36 Base36 cirqf

Cryptographic Hash Functions

md5 965ccbbc1949c5b3798c6bb04bfa3962
sha1 775b0c1fd23ea99753cff6036abf4c8922416f63
sha256 96441326c264fc8971cde8adf7284f718706c5f861c2d794e193d4bca51b7848
sha512 4a8dadc07a298d503f665d3b3f795a38d287a423e9a24a07f0522fa63fa1dbded5d51484140bd97cdebfea04444327c7c114bcbcccf37fcaed12cb3b217a6a04
ripemd-160 5a42a2d853afcf8edbe7927022e6a986d14242c5

21031143 as geometric shapes

Circle

Radius = n
Diameter 42062286
Circumference 132142568.69079
Area 1.3895546292617E+15

Sphere

Radius = n
Volume 3.8965229485753E+22
Surface area 5.5582185170468E+15
Circumference 132142568.69079

Square

Length = n
Perimeter 84124572
Area 442308975886449
Diagonal 29742527.662808

Cube

Length = n
Surface area 2653853855318694
Volume 9.3022633220515E+21
Space diagonal 36427008.217247

Equilateral Triangle

Length = n
Perimeter 63093429
Area 1.9152540471977E+14
Altitude 18213504.108623

Triangular Pyramid

Length = n
Surface area 1.9152540471977E+14
Volume 1.0962822459009E+21
Height 9914175.8876027