20651421 (number)

20651421 is an odd 8-digits composite number following 20651420 and preceding 20651422. In scientific notation, it is written as 2.0651421 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 11761200 positive integers (up to 20651421) that are relatively prime to 20651421.

Interesting facts

Basic properties

Name

Name twenty million six hundred fifty-one thousand four hundred twenty-one

Notation

Scientific notation 2.0651421 × 10^7
Engineering notation 2.0651421 × 10^6

Prime Factorization of 20651421

Prime Factorization 21 × 331 × 2971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20651421
Product of the distinct prime numbers

The prime factorization of 20651421 is 21 × 331 × 2971. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20651421)

Multiplication

n×y
n×2 41302842
n×3 61954263
n×4 82605684
n×5 103257105

Division

n÷y
n÷2 10325710.5
n÷3 6883807
n÷3 5162855.25
n÷5 4130284.2

Exponentiation

ny
n2 426481189319241
n3 8.8074425892123E+21
n4 1.8188620484315E+29
n5 3.7562085903082E+36

Nth Root

y√n
2√n 4544.3834565318
3√n 274.35737993576
4√n 67.412042370275
5√n 29.039557078213

Divisors of 20651421

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 -20651420
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 20651421 can be divided by 8 positive divisors. The sum of these divisors (counting 20651421) is 1, the average is 0.125.

Base conversion 20651421

Base System Value
2 Binary 1001110110001110110011101
3 Ternary 1102212012102110
4 Quaternary 1032301312131
5 Quinary 20241321141
6 Senary 2014344233
8 Octal 116616635
10 Decimal 20651421
12 Duodecimal 6abb079
16 Hexadecimal 13b1d9d
20 Vigesimal 6918b1
36 Base36 camql

Cryptographic Hash Functions

md5 e667b9d6577a28d5aac9900a0eabe4aa
sha1 af4c073bee9851f1b53f9c6aa1b014ded7602bdf
sha256 c906bf5e25dce8f8ca1e6c8b1b5b73e677a0813be807f5187bdaf16d7a037403
sha512 da0aae6ec4a895cbe3e6ab767592814f31180141448362b61ddeaf3d1212509743ff4507a5b1ca1cfec1cc3f24a0a4920be5b2f734d5b200471d686c5f34da00
ripemd-160 ecf26642232f7c75ac741e7c8c7e6bf82122aaa8

20651421 as geometric shapes

Circle

Radius = n
Diameter 41302842
Circumference 129756704.99958
Area 1.3398301712596E+15

Sphere

Radius = n
Volume 3.6892529246911E+22
Surface area 5.3593206850383E+15
Circumference 129756704.99958

Square

Length = n
Perimeter 82605684
Area 426481189319241
Diagonal 29205519.660477

Cube

Length = n
Surface area 2558887135915446
Volume 8.8074425892123E+21
Space diagonal 35769310.420495

Equilateral Triangle

Length = n
Perimeter 61954263
Area 1.8467177209333E+14
Altitude 17884655.210247

Triangular Pyramid

Length = n
Surface area 1.8467177209333E+14
Volume 1.0379670632905E+21
Height 9735173.2201588