221639 (number)

221639 is an odd 6-digits composite number following 221638 and preceding 221640. In scientific notation, it is written as 2.21639 × 10^5. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 201480 positive integers (up to 221639) that are relatively prime to 221639.

Interesting facts

Basic properties

Name

Name two hundred twenty-one thousand six hundred thirty-nine

Notation

Scientific notation 2.21639 × 10^5
Engineering notation 2.21639 × 10^3

Prime Factorization of 221639

Prime Factorization 11 × 20149

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221639
Product of the distinct prime numbers

The prime factorization of 221639 is 11 × 20149. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221639)

Multiplication

n×y
n×2 443278
n×3 664917
n×4 886556
n×5 1108195

Division

n÷y
n÷2 110819.5
n÷3 73879.666666667
n÷3 55409.75
n÷5 44327.8

Exponentiation

ny
n2 49123846321
n3 10887760174740119
n4 2.4131522773692E+21
n5 5.3484865760384E+26

Nth Root

y√n
2√n 470.78551379583
3√n 60.517650747752
4√n 21.697592350208
5√n 11.725442367945

Divisors of 221639

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 -221638
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 221639 can be divided by 4 positive divisors. The sum of these divisors (counting 221639) is 1, the average is 0.25.

Base conversion 221639

Base System Value
2 Binary 110110000111000111
3 Ternary 102021000212
4 Quaternary 312013013
5 Quinary 24043024
6 Senary 4430035
8 Octal 660707
10 Decimal 221639
12 Duodecimal a831b
16 Hexadecimal 361c7
20 Vigesimal 17e1j
36 Base36 4r0n

Cryptographic Hash Functions

md5 e6f4ecf36968270236caef7315a94468
sha1 67f7ed8af18f2862e097496531a255ddfe6894f7
sha256 f8f227a395746b351dfdb320bcbfec0770d36fa51a5da1e0a2ce4090ae5f0b22
sha512 8a182820c12a3ff305c641084286bd20691b8809a212d4096bda2ac67c6420ee43984f3242bc55ed3bd9e9c171ecea58ed6d35148f84dc7b29d2b4d194bf9787
ripemd-160 9aa7d3ae57c163950fca497e2408981b2e20f3f9

221639 as geometric shapes

Circle

Radius = n
Diameter 443278
Circumference 1392598.908298
Area 154327114718.13

Sphere

Radius = n
Volume 4.5606543172015E+16
Surface area 617308458872.51
Circumference 1392598.908298

Square

Length = n
Perimeter 886556
Area 49123846321
Diagonal 313444.87975081

Cube

Length = n
Surface area 294743077926
Volume 10887760174740119
Space diagonal 383890.00893876

Equilateral Triangle

Length = n
Perimeter 664917
Area 21271249422.794
Altitude 191945.00446938

Triangular Pyramid

Length = n
Surface area 21271249422.794
Volume 1.2831348419153E+15
Height 104481.6265836