221644 (number)

221644 is an even 6-digits composite number following 221643 and preceding 221645. In scientific notation, it is written as 2.21644 × 10^5. The sum of its digits is 19. It has a total of 3 prime factors and 6 positive divisors. There are 110820 positive integers (up to 221644) that are relatively prime to 221644.

Interesting facts

Basic properties

Name

Name two hundred twenty-one thousand six hundred forty-four

Notation

Scientific notation 2.21644 × 10^5
Engineering notation 2.21644 × 10^3

Prime Factorization of 221644

Prime Factorization 2 × 2 × 55411

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 110822
Product of the distinct prime numbers

The prime factorization of 221644 is 2 × 2 × 55411. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221644)

Multiplication

n×y
n×2 443288
n×3 664932
n×4 886576
n×5 1108220

Division

n÷y
n÷2 110822
n÷3 73881.333333333
n÷3 55411
n÷5 44328.8

Exponentiation

ny
n2 49126062736
n3 10888497049057984
n4 2.4133700399414E+21
n5 5.3490898913277E+26

Nth Root

y√n
2√n 470.79082403972
3√n 60.518105821059
4√n 21.697714719291
5√n 11.725495270803

Divisors of 221644

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221644 can be divided by 6 positive divisors. The sum of these divisors (counting 221644) is 1, the average is 0.16666666666667.

Base conversion 221644

Base System Value
2 Binary 110110000111001100
3 Ternary 102021001001
4 Quaternary 312013030
5 Quinary 24043034
6 Senary 4430044
8 Octal 660714
10 Decimal 221644
12 Duodecimal a8324
16 Hexadecimal 361cc
20 Vigesimal 17e24
36 Base36 4r0s

Cryptographic Hash Functions

md5 3f6fd29849243f026a239ef120bcdeea
sha1 1919c301a580f96cf01d61d4eb19a44c514b202d
sha256 1a80f64fd55eeed36f9bf10acee2f65f74f6abbef53e826528805b8751413157
sha512 e8d259fa25ee305b7693807cd344103b4227f85aff223ed3e97733604efa82f4a01c93cb38f0049cde383b5d01d8c71f57b8d1aba1e4c17afb7f2cf6079bf4fb
ripemd-160 bc8b706a0344972b7220e71b49b4f9f44dc6ca46

221644 as geometric shapes

Circle

Radius = n
Diameter 443288
Circumference 1392630.3242245
Area 154334077791.21

Sphere

Radius = n
Volume 4.560962978394E+16
Surface area 617336311164.84
Circumference 1392630.3242245

Square

Length = n
Perimeter 886576
Area 49126062736
Diagonal 313451.95081862

Cube

Length = n
Surface area 294756376416
Volume 10888497049057984
Space diagonal 383898.6691928

Equilateral Triangle

Length = n
Perimeter 664932
Area 21272209158.642
Altitude 191949.3345964

Triangular Pyramid

Length = n
Surface area 21272209158.642
Volume 1.2832216833864E+15
Height 104483.98360621