221381 (number)

221381 is an odd 6-digits composite number following 221380 and preceding 221382. In scientific notation, it is written as 2.21381 × 10^5. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 217152 positive integers (up to 221381) that are relatively prime to 221381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21381 × 10^5
Engineering notation 2.21381 × 10^3

Prime Factorization of 221381

Prime Factorization 4177 × 53

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221381
Product of the distinct prime numbers

The prime factorization of 221381 is 4177 × 53. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221381)

Multiplication

n×y
n×2 442762
n×3 664143
n×4 885524
n×5 1106905

Division

n÷y
n÷2 110690.5
n÷3 73793.666666667
n÷3 55345.25
n÷5 44276.2

Exponentiation

ny
n2 49009547161
n3 10849782560049341
n4 2.4019357129263E+21
n5 5.3174293006333E+26

Nth Root

y√n
2√n 470.51142387832
3√n 60.494159671182
4√n 21.691275293959
5√n 11.722711283886

Divisors of 221381

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 -221380
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 221381 can be divided by 4 positive divisors. The sum of these divisors (counting 221381) is 1, the average is 0.25.

Base conversion 221381

Base System Value
2 Binary 110110000011000101
3 Ternary 102020200022
4 Quaternary 312003011
5 Quinary 24041011
6 Senary 4424525
8 Octal 660305
10 Decimal 221381
12 Duodecimal a8145
16 Hexadecimal 360c5
20 Vigesimal 17d91
36 Base36 4qth

Cryptographic Hash Functions

md5 a3b128c92930f7df933484b475bf7beb
sha1 b79d72656e6ca8a01ecde8e76c053a75b2f8218e
sha256 3263a95ee5b29488d013438de2ac441f252a3379c9a970a33053ccf5f4f261d6
sha512 ce95637932f3dd5e7d32a64ba1cec67ee7c1758ced4b7f0bfbed1c117ac357e7f61beb8253414cf34cda53019dea166cfa11508baa264e659d96211882289be5
ripemd-160 a73d3b59df4815488f55c9dad20f523baf7f51c2

221381 as geometric shapes

Circle

Radius = n
Diameter 442762
Circumference 1390977.8464887
Area 153968033316.76

Sphere

Radius = n
Volume 4.5447462911597E+16
Surface area 615872133267.04
Circumference 1390977.8464887

Square

Length = n
Perimeter 885524
Area 49009547161
Diagonal 313080.01265172

Cube

Length = n
Surface area 294057282966
Volume 10849782560049341
Space diagonal 383443.13983041

Equilateral Triangle

Length = n
Perimeter 664143
Area 21221756434.699
Altitude 191721.5699152

Triangular Pyramid

Length = n
Surface area 21221756434.699
Volume 1.2786591371017E+15
Height 104360.00421724