221285 (number)

221285 is an odd 6-digits composite number following 221284 and preceding 221286. In scientific notation, it is written as 2.21285 × 10^5. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 177024 positive integers (up to 221285) that are relatively prime to 221285.

Interesting facts

Basic properties

Name

Name two hundred twenty-one thousand two hundred eighty-five

Notation

Scientific notation 2.21285 × 10^5
Engineering notation 2.21285 × 10^3

Prime Factorization of 221285

Prime Factorization 5 × 44257

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221285
Product of the distinct prime numbers

The prime factorization of 221285 is 5 × 44257. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221285)

Multiplication

n×y
n×2 442570
n×3 663855
n×4 885140
n×5 1106425

Division

n÷y
n÷2 110642.5
n÷3 73761.666666667
n÷3 55321.25
n÷5 44257

Exponentiation

ny
n2 48967051225
n3 10835673930324125
n4 2.3977721056718E+21
n5 5.3059100040358E+26

Nth Root

y√n
2√n 470.40939616466
3√n 60.485414146529
4√n 21.688923351902
5√n 11.72169441655

Divisors of 221285

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 -221284
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 221285 can be divided by 4 positive divisors. The sum of these divisors (counting 221285) is 1, the average is 0.25.

Base conversion 221285

Base System Value
2 Binary 110110000001100101
3 Ternary 102020112202
4 Quaternary 312001211
5 Quinary 24040120
6 Senary 4424245
8 Octal 660145
10 Decimal 221285
12 Duodecimal a8085
16 Hexadecimal 36065
20 Vigesimal 17d45
36 Base36 4qqt

Cryptographic Hash Functions

md5 a0519e97f2550d4da620ffe3a6be4fb4
sha1 c4d50ba3e7a20c9cde388e7e01daaabcb43e877a
sha256 ade438d42e5e560fd0e824025d6246b65f00e3d959207957d18c5353bd429ff8
sha512 e7b73549ed10e95dd01549d6758bd073b22c5e42cfb19d57dfc4c90d5f01709e5f4a21d0b4781286f01ec34ded5525d0a66909cf62969ec6be5a9a5f25de37ab
ripemd-160 d173fa6a6b15ad45045b83c9c5e43a3eee5c2773

221285 as geometric shapes

Circle

Radius = n
Diameter 442570
Circumference 1390374.6606992
Area 153834528396.42

Sphere

Radius = n
Volume 4.5388364821601E+16
Surface area 615338113585.66
Circumference 1390374.6606992

Square

Length = n
Perimeter 885140
Area 48967051225
Diagonal 312944.24814973

Cube

Length = n
Surface area 293802307350
Volume 10835673930324125
Space diagonal 383276.86295288

Equilateral Triangle

Length = n
Perimeter 663855
Area 21203355154.632
Altitude 191638.43147644

Triangular Pyramid

Length = n
Surface area 21203355154.632
Volume 1.2769964191431E+15
Height 104314.74938324