20215421 (number)

20215421 is an odd 8-digits composite number following 20215420 and preceding 20215422. In scientific notation, it is written as 2.0215421 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 20143200 positive integers (up to 20215421) that are relatively prime to 20215421.

Interesting facts

Basic properties

Name

Name twenty million two hundred fifteen thousand four hundred twenty-one

Notation

Scientific notation 2.0215421 × 10^7
Engineering notation 2.0215421 × 10^6

Prime Factorization of 20215421

Prime Factorization 281 × 71941

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20215421
Product of the distinct prime numbers

The prime factorization of 20215421 is 281 × 71941. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20215421)

Multiplication

n×y
n×2 40430842
n×3 60646263
n×4 80861684
n×5 101077105

Division

n÷y
n÷2 10107710.5
n÷3 6738473.6666667
n÷3 5053855.25
n÷5 4043084.2

Exponentiation

ny
n2 408663246207241
n3 8.261299569306E+21
n4 1.6700564880064E+29
n5 3.3760894998831E+36

Nth Root

y√n
2√n 4496.156247285
3√n 272.41285432659
4√n 67.053383563285
5√n 28.915889606262

Divisors of 20215421

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 -20215420
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 20215421 can be divided by 4 positive divisors. The sum of these divisors (counting 20215421) is 1, the average is 0.25.

Base conversion 20215421

Base System Value
2 Binary 1001101000111011001111101
3 Ternary 1102001001100022
4 Quaternary 1031013121331
5 Quinary 20133343141
6 Senary 2001141525
8 Octal 115073175
10 Decimal 20215421
12 Duodecimal 692a8a5
16 Hexadecimal 134767d
20 Vigesimal 666ib1
36 Base36 c1abh

Cryptographic Hash Functions

md5 eb0430af4021f15db38d6e02d588fd03
sha1 77d10f8d20a9c972346e7dd18caf4e173401dfe6
sha256 a50905b826ba7ce413141c53926c3b7ce1c89d42b27fd79dfa091e4dfcaa506b
sha512 8c640794b98b429f9f829bacfa96501cde0e6c748d61aa06d3d391e5b0255645c3c64582a4857a406df04c8517ff96f7b698907b7141991892a764c18ff50a89
ripemd-160 75db0a966703d7becf009183376fd0280848f682

20215421 as geometric shapes

Circle

Radius = n
Diameter 40430842
Circumference 127017236.20565
Area 1.2838534520768E+15

Sphere

Radius = n
Volume 3.4604850714715E+22
Surface area 5.1354138083073E+15
Circumference 127017236.20565

Square

Length = n
Perimeter 80861684
Area 408663246207241
Diagonal 28588922.547282

Cube

Length = n
Surface area 2451979477243446
Volume 8.261299569306E+21
Space diagonal 35014136.268395

Equilateral Triangle

Length = n
Perimeter 60646263
Area 1.7695637640424E+14
Altitude 17507068.134197

Triangular Pyramid

Length = n
Surface area 1.7695637640424E+14
Volume 9.7360349114497E+20
Height 9529640.849094