218221 (number)

218221 is an odd 6-digits composite number following 218220 and preceding 218222. In scientific notation, it is written as 2.18221 × 10^5. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 213532 positive integers (up to 218221) that are relatively prime to 218221.

Interesting facts

Basic properties

Name

Name two hundred eighteen thousand two hundred twenty-one

Notation

Scientific notation 2.18221 × 10^5
Engineering notation 2.18221 × 10^3

Prime Factorization of 218221

Prime Factorization 47 × 4643

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 218221
Product of the distinct prime numbers

The prime factorization of 218221 is 47 × 4643. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 218221)

Multiplication

n×y
n×2 436442
n×3 654663
n×4 872884
n×5 1091105

Division

n÷y
n÷2 109110.5
n÷3 72740.333333333
n÷3 54555.25
n÷5 43644.2

Exponentiation

ny
n2 47620404841
n3 10391772364807861
n4 2.2677029572207E+21
n5 4.9486040702767E+26

Nth Root

y√n
2√n 467.1413062447
3√n 60.204947294508
4√n 21.613451974284
5√n 11.689052475784

Divisors of 218221

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 -218220
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 218221 can be divided by 4 positive divisors. The sum of these divisors (counting 218221) is 1, the average is 0.25.

Base conversion 218221

Base System Value
2 Binary 110101010001101101
3 Ternary 102002100021
4 Quaternary 311101231
5 Quinary 23440341
6 Senary 4402141
8 Octal 652155
10 Decimal 218221
12 Duodecimal a6351
16 Hexadecimal 3546d
20 Vigesimal 175b1
36 Base36 4odp

Cryptographic Hash Functions

md5 78bcbbe34e7cb00a1f213bd8a9e3df73
sha1 2d5e6aa53509443dbbb15a6ca1b10995e6223e48
sha256 de100dafe25ec0e8d5e60464f758c66ce86618a0ecda5136306b1576815793c8
sha512 6a50176db1f40b9bfb668917d6031b03b0d81cedad8fdb6ec9631b128aebeaacf53973da0b6d906f2618bda74488a44d64a57fca7fc1d33f898158d7daeb75b1
ripemd-160 78edd2aceaebf88c2b19ceccd0a0e8c1fe4c1ba6

218221 as geometric shapes

Circle

Radius = n
Diameter 436442
Circumference 1371122.980918
Area 149603914009.46

Sphere

Radius = n
Volume 4.3528954292077E+16
Surface area 598415656037.83
Circumference 1371122.980918

Square

Length = n
Perimeter 872884
Area 47620404841
Diagonal 308611.09779462

Cube

Length = n
Surface area 285722429046
Volume 10391772364807861
Space diagonal 377969.85927849

Equilateral Triangle

Length = n
Perimeter 654663
Area 20620240165.403
Altitude 188984.92963924

Triangular Pyramid

Length = n
Surface area 20620240165.403
Volume 1.2246821179504E+15
Height 102870.36593154