221521 (number)

221521 is an odd 6-digits composite number following 221520 and preceding 221522. In scientific notation, it is written as 2.21521 × 10^5. The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors. There are 205920 positive integers (up to 221521) that are relatively prime to 221521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21521 × 10^5
Engineering notation 2.21521 × 10^3

Prime Factorization of 221521

Prime Factorization 19 × 89 × 131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221521
Product of the distinct prime numbers

The prime factorization of 221521 is 19 × 89 × 131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221521)

Multiplication

n×y
n×2 443042
n×3 664563
n×4 886084
n×5 1107605

Division

n÷y
n÷2 110760.5
n÷3 73840.333333333
n÷3 55380.25
n÷5 44304.2

Exponentiation

ny
n2 49071553441
n3 10870379589803761
n4 2.4080173571129E+21
n5 5.3342641296501E+26

Nth Root

y√n
2√n 470.66017464833
3√n 60.506909030423
4√n 21.694703838687
5√n 11.72419358326

Divisors of 221521

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221520
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221521 can be divided by 8 positive divisors. The sum of these divisors (counting 221521) is 1, the average is 0.125.

Base conversion 221521

Base System Value
2 Binary 110110000101010001
3 Ternary 102020212111
4 Quaternary 312011101
5 Quinary 24042041
6 Senary 4425321
8 Octal 660521
10 Decimal 221521
12 Duodecimal a8241
16 Hexadecimal 36151
20 Vigesimal 17dg1
36 Base36 4qxd

Cryptographic Hash Functions

md5 cbf4a630d0dbd4ec606daeafb1c16658
sha1 6158c4f4983e3daeb891454762cc094d6530fa1a
sha256 9e427aeb0b35d42297f3e8f0928af73a2e8bf3dafd7c97ef1212f61f75641c42
sha512 0cc7e1cbc0cc10574209290b9b3a7dac0122054edd347b9cb3cb23ecf2ce86cf4a601a8486014e738367f6b14ab68fb4d67d4e508226b6198e3dfabe50a27ed8
ripemd-160 86d3b61f25de1abb05fa6f54f9528e6ef3da18c8

221521 as geometric shapes

Circle

Radius = n
Diameter 443042
Circumference 1391857.4924317
Area 154162831790.48

Sphere

Radius = n
Volume 4.553373954808E+16
Surface area 616651327161.94
Circumference 1391857.4924317

Square

Length = n
Perimeter 886084
Area 49071553441
Diagonal 313278.00255045

Cube

Length = n
Surface area 294429320646
Volume 10870379589803761
Space diagonal 383685.62694347

Equilateral Triangle

Length = n
Perimeter 664563
Area 21248605941.536
Altitude 191842.81347173

Triangular Pyramid

Length = n
Surface area 21248605941.536
Volume 1.281086520337E+15
Height 104426.00085015