20211621 (number)

20211621 is an odd 8-digits composite number following 20211620 and preceding 20211622. In scientific notation, it is written as 2.0211621 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 13474412 positive integers (up to 20211621) that are relatively prime to 20211621.

Interesting facts

Basic properties

Name

Name twenty million two hundred eleven thousand six hundred twenty-one

Notation

Scientific notation 2.0211621 × 10^7
Engineering notation 2.0211621 × 10^6

Prime Factorization of 20211621

Prime Factorization 3 × 6737207

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20211621
Product of the distinct prime numbers

The prime factorization of 20211621 is 3 × 6737207. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20211621)

Multiplication

n×y
n×2 40423242
n×3 60634863
n×4 80846484
n×5 101058105

Division

n÷y
n÷2 10105810.5
n÷3 6737207
n÷3 5052905.25
n÷5 4042324.2

Exponentiation

ny
n2 408509623447641
n3 8.2566416839764E+21
n4 1.6688011244933E+29
n5 3.3729175852633E+36

Nth Root

y√n
2√n 4495.7336442454
3√n 272.39578429351
4√n 67.050232246021
5√n 28.91480242986

Divisors of 20211621

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 -20211620
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 20211621 can be divided by 4 positive divisors. The sum of these divisors (counting 20211621) is 1, the average is 0.25.

Base conversion 20211621

Base System Value
2 Binary 1001101000110011110100101
3 Ternary 1102000212010120
4 Quaternary 1031012132211
5 Quinary 20133232441
6 Senary 2001112153
8 Octal 115063645
10 Decimal 20211621
12 Duodecimal 6928659
16 Hexadecimal 13467a5
20 Vigesimal 666911
36 Base36 c17dx

Cryptographic Hash Functions

md5 f80aa27fd38cd808b221c7a17ba757ac
sha1 799b81fed88e0447c70ba6435d3681e87696b393
sha256 36dbb56adc94efdaf00608e8c9bce61575038ec707ffb4aea481e0edda2679cb
sha512 8cf1a52821e884fc39d8d9b5e48d2d00eb87cb332c3c4af3ff692051f2c588a6780a435122d6a94ed035c756fc029bc7f63f9677ca119bc1c79129d58a43054f
ripemd-160 6b12f8882347c750b0c84cc27b5b05408d906769

20211621 as geometric shapes

Circle

Radius = n
Diameter 40423242
Circumference 126993360.10148
Area 1.2833708319438E+15

Sphere

Radius = n
Volume 3.4585339810271E+22
Surface area 5.1334833277754E+15
Circumference 126993360.10148

Square

Length = n
Perimeter 80846484
Area 408509623447641
Diagonal 28583548.535745

Cube

Length = n
Surface area 2451057740685846
Volume 8.2566416839764E+21
Space diagonal 35007554.475326

Equilateral Triangle

Length = n
Perimeter 60634863
Area 1.7688985579804E+14
Altitude 17503777.237663

Triangular Pyramid

Length = n
Surface area 1.7688985579804E+14
Volume 9.7305455409454E+20
Height 9527849.511915