21936421 (number)

21936421 is an odd 8-digits composite number following 21936420 and preceding 21936422. In scientific notation, it is written as 2.1936421 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 20217792 positive integers (up to 21936421) that are relatively prime to 21936421.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-six thousand four hundred twenty-one

Notation

Scientific notation 2.1936421 × 10^7
Engineering notation 2.1936421 × 10^6

Prime Factorization of 21936421

Prime Factorization 13 × 1373 × 1229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21936421
Product of the distinct prime numbers

The prime factorization of 21936421 is 13 × 1373 × 1229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21936421)

Multiplication

n×y
n×2 43872842
n×3 65809263
n×4 87745684
n×5 109682105

Division

n÷y
n÷2 10968210.5
n÷3 7312140.3333333
n÷3 5484105.25
n÷5 4387284.2

Exponentiation

ny
n2 481206566289241
n3 1.0555949826085E+22
n4 2.3155975943988E+29
n5 5.079592369732E+36

Nth Root

y√n
2√n 4683.6333118638
3√n 279.93374707973
4√n 68.437075564812
5√n 29.392271762226

Divisors of 21936421

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 -21936420
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 21936421 can be divided by 8 positive divisors. The sum of these divisors (counting 21936421) is 1, the average is 0.125.

Base conversion 21936421

Base System Value
2 Binary 1010011101011100100100101
3 Ternary 1112021111010001
4 Quaternary 1103223210211
5 Quinary 21103431141
6 Senary 2102101301
8 Octal 123534445
10 Decimal 21936421
12 Duodecimal 741a831
16 Hexadecimal 14eb925
20 Vigesimal 6h2111
36 Base36 d2691

Cryptographic Hash Functions

md5 585c5e68c28fdf5655e58e93da19be35
sha1 964f90900f6b2b04053ad90323a81e5008ab4aa6
sha256 93b4df0965338cb6cded8acdb7dcdaeaeba534607e021e1ca8f252f94023bd08
sha512 8901c136eebce9044c267a84dbc0062ca6c0d8e7a7f152af98daad6b8370b6ad96318c3efc22f4dd87490abf71f99445f922d23d7d276ce8af426f409ad36980
ripemd-160 7218c1f130a5f84b0d9dd9444f32b70a8bdc82a3

21936421 as geometric shapes

Circle

Radius = n
Diameter 43872842
Circumference 137830598.11931
Area 1.5117550135134E+15

Sphere

Radius = n
Volume 4.4216659233722E+22
Surface area 6.0470200540538E+15
Circumference 137830598.11931

Square

Length = n
Perimeter 87745684
Area 481206566289241
Diagonal 31022784.088126

Cube

Length = n
Surface area 2887239397735446
Volume 1.0555949826085E+22
Space diagonal 37994995.708221

Equilateral Triangle

Length = n
Perimeter 65809263
Area 2.0836855543718E+14
Altitude 18997497.85411

Triangular Pyramid

Length = n
Surface area 2.0836855543718E+14
Volume 1.244030617315E+21
Height 10340928.029375