21143939 (number)

21143939 is an odd 8-digits composite number following 21143938 and preceding 21143940. In scientific notation, it is written as 2.1143939 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20854224 positive integers (up to 21143939) that are relatively prime to 21143939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1143939 × 10^7
Engineering notation 2.1143939 × 10^6

Prime Factorization of 21143939

Prime Factorization 73 × 289643

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21143939
Product of the distinct prime numbers

The prime factorization of 21143939 is 73 × 289643. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21143939)

Multiplication

n×y
n×2 42287878
n×3 63431817
n×4 84575756
n×5 105719695

Division

n÷y
n÷2 10571969.5
n÷3 7047979.6666667
n÷3 5285984.75
n÷5 4228787.8

Exponentiation

ny
n2 447066156435721
n3 9.4527395406413E+21
n4 1.9986814823021E+29
n5 4.2259999342225E+36

Nth Root

y√n
2√n 4598.253907735
3√n 276.52132702743
4√n 67.810426246522
5√n 29.176767821772

Divisors of 21143939

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 -21143938
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 21143939 can be divided by 4 positive divisors. The sum of these divisors (counting 21143939) is 1, the average is 0.25.

Base conversion 21143939

Base System Value
2 Binary 1010000101010000110000011
3 Ternary 1110210020000212
4 Quaternary 1100222012003
5 Quinary 20403101224
6 Senary 2033104335
8 Octal 120520603
10 Decimal 21143939
12 Duodecimal 70b80ab
16 Hexadecimal 142a183
20 Vigesimal 6c2jgj
36 Base36 cl6rn

Cryptographic Hash Functions

md5 71135ab89bc30ff1ac7db7c95021f4f5
sha1 b7a7cb3279443a73cf0bd9bfc835a42d2a457a56
sha256 bba26ae2e4d520c1f4ab5b6db783c0b89bc2087f61cd3f84cfb5d2a289356555
sha512 6aaa54d04c0785e73f2862d643553842d3406460a1ebb7e6f4a7afb33c22f09ec5c7350dcdfe6e4f56bc82e8ec0b1be9737e25704146a1b1aeab7b3a6ad966b4
ripemd-160 d0501495e6daf997de268b2742bf4c0d5332ff71

21143939 as geometric shapes

Circle

Radius = n
Diameter 42287878
Circumference 132851286.8607
Area 1.4044997527271E+15

Sphere

Radius = n
Volume 3.9595542796235E+22
Surface area 5.6179990109083E+15
Circumference 132851286.8607

Square

Length = n
Perimeter 84575756
Area 447066156435721
Diagonal 29902045.295789

Cube

Length = n
Surface area 2682396938614326
Volume 9.4527395406413E+21
Space diagonal 36622376.620137

Equilateral Triangle

Length = n
Perimeter 63431817
Area 1.935853243228E+14
Altitude 18311188.310069

Triangular Pyramid

Length = n
Surface area 1.935853243228E+14
Volume 1.1140160383296E+21
Height 9967348.4319298