221591 (number)

221591 is an odd 6-digits composite number following 221590 and preceding 221592. In scientific notation, it is written as 2.21591 × 10^5. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 218400 positive integers (up to 221591) that are relatively prime to 221591.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21591 × 10^5
Engineering notation 2.21591 × 10^3

Prime Factorization of 221591

Prime Factorization 71 × 3121

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221591
Product of the distinct prime numbers

The prime factorization of 221591 is 71 × 3121. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221591)

Multiplication

n×y
n×2 443182
n×3 664773
n×4 886364
n×5 1107955

Division

n÷y
n÷2 110795.5
n÷3 73863.666666667
n÷3 55397.75
n÷5 44318.2

Exponentiation

ny
n2 49102571281
n3 10880687872728071
n4 2.4110625064057E+21
n5 5.3426975185694E+26

Nth Root

y√n
2√n 470.73453240654
3√n 60.513281695734
4√n 21.696417501665
5√n 11.724934451923

Divisors of 221591

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 -221590
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 221591 can be divided by 4 positive divisors. The sum of these divisors (counting 221591) is 1, the average is 0.25.

Base conversion 221591

Base System Value
2 Binary 110110000110010111
3 Ternary 102020222002
4 Quaternary 312012113
5 Quinary 24042331
6 Senary 4425515
8 Octal 660627
10 Decimal 221591
12 Duodecimal a829b
16 Hexadecimal 36197
20 Vigesimal 17djb
36 Base36 4qzb

Cryptographic Hash Functions

md5 cd80bbd19a52239185b30358bc795b3a
sha1 f92df28a8f3e025f8c0273ce623c94fdf1eca392
sha256 6253b22177a7d01f777b10cb879a00db5a2904e8d7acb9da76aca3bf1d4de05a
sha512 eadc737435af952a006c976de79287f5fd8300e5316203e0dacb4bd154917719a03ae5a068d6ca40420262d29249f25ffcffa67c8e8d3ae95934456f50767bc9
ripemd-160 599cb48913cb9ac72fa810ce327edeb4b9f8ed01

221591 as geometric shapes

Circle

Radius = n
Diameter 443182
Circumference 1392297.3154032
Area 154260277208.76

Sphere

Radius = n
Volume 4.5576918782621E+16
Surface area 617041108835.04
Circumference 1392297.3154032

Square

Length = n
Perimeter 886364
Area 49102571281
Diagonal 313376.99749982

Cube

Length = n
Surface area 294615427686
Volume 10880687872728071
Space diagonal 383806.8705

Equilateral Triangle

Length = n
Perimeter 664773
Area 21262037060.241
Altitude 191903.43525

Triangular Pyramid

Length = n
Surface area 21262037060.241
Volume 1.28230136313E+15
Height 104458.99916661