221531 (number)

221531 is an odd 6-digits composite number following 221530 and preceding 221532. In scientific notation, it is written as 2.21531 × 10^5. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 213864 positive integers (up to 221531) that are relatively prime to 221531.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21531 × 10^5
Engineering notation 2.21531 × 10^3

Prime Factorization of 221531

Prime Factorization 29 × 7639

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221531
Product of the distinct prime numbers

The prime factorization of 221531 is 29 × 7639. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221531)

Multiplication

n×y
n×2 443062
n×3 664593
n×4 886124
n×5 1107655

Division

n÷y
n÷2 110765.5
n÷3 73843.666666667
n÷3 55382.75
n÷5 44306.2

Exponentiation

ny
n2 49075983961
n3 10871851802864291
n4 2.4084522017403E+21
n5 5.3354682470374E+26

Nth Root

y√n
2√n 470.67079790444
3√n 60.507819493368
4√n 21.694948672547
5√n 11.724299433106

Divisors of 221531

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 -221530
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 221531 can be divided by 4 positive divisors. The sum of these divisors (counting 221531) is 1, the average is 0.25.

Base conversion 221531

Base System Value
2 Binary 110110000101011011
3 Ternary 102020212212
4 Quaternary 312011123
5 Quinary 24042111
6 Senary 4425335
8 Octal 660533
10 Decimal 221531
12 Duodecimal a824b
16 Hexadecimal 3615b
20 Vigesimal 17dgb
36 Base36 4qxn

Cryptographic Hash Functions

md5 1c32077991fbc932201dea5d2a31013b
sha1 e5e085c698c81f1018d0be43b4fa29c96c555b1d
sha256 5dc728e8450c349bcd73868cbace8c22aa937d8e1ec2f47d71843fc3a0d3a5ba
sha512 b24995e25e74d32c2ee39aca5220b4fd07f128118e4d045e203eddf7f6a37d5016258c15699bdc0fdc862f9e8c92f532d43f83f32aaecda7bf684126e177c7a0
ripemd-160 98826cfee4a6b580bc73a51c02248674f3074261

221531 as geometric shapes

Circle

Radius = n
Diameter 443062
Circumference 1391920.3242848
Area 154176750679.57

Sphere

Radius = n
Volume 4.5539906339727E+16
Surface area 616707002718.27
Circumference 1391920.3242848

Square

Length = n
Perimeter 886124
Area 49075983961
Diagonal 313292.14468607

Cube

Length = n
Surface area 294455903766
Volume 10871851802864291
Space diagonal 383702.94745154

Equilateral Triangle

Length = n
Perimeter 664593
Area 21250524412.972
Altitude 191851.47372577

Triangular Pyramid

Length = n
Surface area 21250524412.972
Volume 1.2812600223101E+15
Height 104430.71489536