21271421 (number)

21271421 is an odd 8-digits composite number following 21271420 and preceding 21271422. In scientific notation, it is written as 2.1271421 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 21052032 positive integers (up to 21271421) that are relatively prime to 21271421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1271421 × 10^7
Engineering notation 2.1271421 × 10^6

Prime Factorization of 21271421

Prime Factorization 97 × 219293

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21271421
Product of the distinct prime numbers

The prime factorization of 21271421 is 97 × 219293. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21271421)

Multiplication

n×y
n×2 42542842
n×3 63814263
n×4 85085684
n×5 106357105

Division

n÷y
n÷2 10635710.5
n÷3 7090473.6666667
n÷3 5317855.25
n÷5 4254284.2

Exponentiation

ny
n2 452473351359241
n3 9.6247511480433E+21
n4 2.0473213369026E+29
n5 4.3549434079539E+36

Nth Root

y√n
2√n 4612.0950770772
3√n 277.07595218559
4√n 67.912407386848
5√n 29.211866056662

Divisors of 21271421

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 -21271420
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 21271421 can be divided by 4 positive divisors. The sum of these divisors (counting 21271421) is 1, the average is 0.25.

Base conversion 21271421

Base System Value
2 Binary 1010001001001001101111101
3 Ternary 1111000200220102
4 Quaternary 1101021031331
5 Quinary 20421141141
6 Senary 2035530445
8 Octal 121111575
10 Decimal 21271421
12 Duodecimal 7159a25
16 Hexadecimal 144937d
20 Vigesimal 6ciib1
36 Base36 cnx4t

Cryptographic Hash Functions

md5 d0724ba7bf4ca5a4115195fb5e85772e
sha1 c4cfe05c3ac8bc41cf555f0a21dae46e97042831
sha256 9de7ed67b3387cd560d7650ca4cf5b24608e9592179931192e7b7134318969af
sha512 e5bc1ec4045f3a49830a96e6c144cda60a11c8d0c874522d8083b58ad436e68cf567d3e5853cdbfc7b6fb80a2cc79c8bdc850856c98669c2158f104167f6d057
ripemd-160 5c5d9fce516681c07dcba87442aba4358e32e9ca

21271421 as geometric shapes

Circle

Radius = n
Diameter 42542842
Circumference 133652279.89003
Area 1.4214869565753E+15

Sphere

Radius = n
Volume 4.031606333243E+22
Surface area 5.6859478263014E+15
Circumference 133652279.89003

Square

Length = n
Perimeter 85085684
Area 452473351359241
Diagonal 30082332.069148

Cube

Length = n
Surface area 2714840108155446
Volume 9.6247511480433E+21
Space diagonal 36843181.921188

Equilateral Triangle

Length = n
Perimeter 63814263
Area 1.9592670840629E+14
Altitude 18421590.960594

Triangular Pyramid

Length = n
Surface area 1.9592670840629E+14
Volume 1.1342878006691E+21
Height 10027444.023049