221668 (number)

221668 is an even 6-digits composite number following 221667 and preceding 221669. In scientific notation, it is written as 2.21668 × 10^5. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 109800 positive integers (up to 221668) that are relatively prime to 221668.

Interesting facts

Basic properties

Name

Name two hundred twenty-one thousand six hundred sixty-eight

Notation

Scientific notation 2.21668 × 10^5
Engineering notation 2.21668 × 10^3

Prime Factorization of 221668

Prime Factorization 2 × 2 × 151 × 367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 110834
Product of the distinct prime numbers

The prime factorization of 221668 is 2 × 2 × 151 × 367. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221668)

Multiplication

n×y
n×2 443336
n×3 665004
n×4 886672
n×5 1108340

Division

n÷y
n÷2 110834
n÷3 73889.333333333
n÷3 55417
n÷5 44333.6

Exponentiation

ny
n2 49136702224
n3 10892034508589632
n4 2.41441550545E+21
n5 5.351986562621E+26

Nth Root

y√n
2√n 470.81631237671
3√n 60.520290077673
4√n 21.698302062067
5√n 11.725749191233

Divisors of 221668

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221668 can be divided by 12 positive divisors. The sum of these divisors (counting 221668) is 1, the average is 0.083333333333333.

Base conversion 221668

Base System Value
2 Binary 110110000111100100
3 Ternary 102021001221
4 Quaternary 312013210
5 Quinary 24043133
6 Senary 4430124
8 Octal 660744
10 Decimal 221668
12 Duodecimal a8344
16 Hexadecimal 361e4
20 Vigesimal 17e38
36 Base36 4r1g

Cryptographic Hash Functions

md5 86843579a6edcbb2aaead9b00b099336
sha1 4050fe2105b8b65cd0fd21089eb95fea8907d010
sha256 440aa9ea595d876a6c681ba246ae4e43a41519dc83043f3e8f3dfa5dc27e0c2b
sha512 8a2fc992da4fee219fe1f13457276bb16744959accff7bb48493e9265b1dddbb190e8707e5d78427e12159f0b686d5aba61e6abfac9226f925ea946c42edd827
ripemd-160 a62fab6fab511c295b344d4c01617feeaac5a78e

221668 as geometric shapes

Circle

Radius = n
Diameter 443336
Circumference 1392781.1206719
Area 154367502728.55

Sphere

Radius = n
Volume 4.5624447459776E+16
Surface area 617470010914.19
Circumference 1392781.1206719

Square

Length = n
Perimeter 886672
Area 49136702224
Diagonal 313485.89194412

Cube

Length = n
Surface area 294820213344
Volume 10892034508589632
Space diagonal 383940.23841218

Equilateral Triangle

Length = n
Perimeter 665004
Area 21276816192.088
Altitude 191970.11920609

Triangular Pyramid

Length = n
Surface area 21276816192.088
Volume 1.2836385769903E+15
Height 104495.29731471