221581 (number)

221581 is an odd 6-digits prime number following 221580 and preceding 221582. In scientific notation, it is written as 2.21581 × 10^5. The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors. There are 221580 positive integers (up to 221581) that are relatively prime to 221581.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21581 × 10^5
Engineering notation 2.21581 × 10^3

Prime Factorization of 221581

Prime Factorization 221581

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 221581
Product of the distinct prime numbers

The prime factorization of 221581 is 221581. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221581)

Multiplication

n×y
n×2 443162
n×3 664743
n×4 886324
n×5 1107905

Division

n÷y
n÷2 110790.5
n÷3 73860.333333333
n÷3 55395.25
n÷5 44316.2

Exponentiation

ny
n2 49098139561
n3 10879214862065941
n4 2.4106273083514E+21
n5 5.3414920961182E+26

Nth Root

y√n
2√n 470.72391058879
3√n 60.512371397151
4√n 21.696172717528
5√n 11.724828625007

Divisors of 221581

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 221582
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 110791
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 470.72497278135
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999909739961
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221581 can be divided by 2 positive divisors. The sum of these divisors (counting 221581) is 221582, the average is 110791.

Base conversion 221581

Base System Value
2 Binary 110110000110001101
3 Ternary 102020221201
4 Quaternary 312012031
5 Quinary 24042311
6 Senary 4425501
8 Octal 660615
10 Decimal 221581
12 Duodecimal a8291
16 Hexadecimal 3618d
20 Vigesimal 17dj1
36 Base36 4qz1

Cryptographic Hash Functions

md5 9a7bade85c273967164c8ad36cf7404a
sha1 5a7b34779df8ad9fa387feca5b20b721b1a906ef
sha256 12c0fac54555f6b95bdd6c37d4d5bbb26f661a68d8b2050247be40cb4e88c22e
sha512 3c00487dc0bf358da2ccecb65017a8a49cb7973ccaeccf68671a932daf2a5d4f04dfe24644a3fe1b3dcaa606b8e21682cb52b088df67e94f2e72bfd54d930f48
ripemd-160 6a3efa7a7e93b7c5137bcf26816ebe5d880010b2

221581 as geometric shapes

Circle

Radius = n
Diameter 443162
Circumference 1392234.4835502
Area 154246354549.76

Sphere

Radius = n
Volume 4.5570748649988E+16
Surface area 616985418199.06
Circumference 1392234.4835502

Square

Length = n
Perimeter 886324
Area 49098139561
Diagonal 313362.85536419

Cube

Length = n
Surface area 294588837366
Volume 10879214862065941
Space diagonal 383789.54999192

Equilateral Triangle

Length = n
Perimeter 664743
Area 21260118069.19
Altitude 191894.77499596

Triangular Pyramid

Length = n
Surface area 21260118069.19
Volume 1.2821277671587E+15
Height 104454.2851214