15221 (number)

15221 is an odd 5-digits composite number following 15220 and preceding 15222. In scientific notation, it is written as 1.5221 × 10^4. The sum of its digits is 11. It has a total of 2 prime factors and 4 positive divisors. There are 14700 positive integers (up to 15221) that are relatively prime to 15221.

Interesting facts

Basic properties

Name

Name fifteen thousand two hundred twenty-one

Notation

Scientific notation 1.5221 × 10^4
Engineering notation 1.5221 × 10^3

Prime Factorization of 15221

Prime Factorization 31 × 491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15221
Product of the distinct prime numbers

The prime factorization of 15221 is 31 × 491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 4, 12, 11, 47, 980, 6093, 6355, 43715, 12992, 990021, 108368, 5867446, 9395334, 95291331, 17320816, 241191948, 760833473, 5607553067, 7756715341

Basic calculations (n = 15221)

Multiplication

n×y
n×2 30442
n×3 45663
n×4 60884
n×5 76105

Division

n÷y
n÷2 7610.5
n÷3 5073.6666666667
n÷3 3805.25
n÷5 3044.2

Exponentiation

ny
n2 231678841
n3 3526383638861
n4 53675085367103281
n5 8.1698847437268E+20

Nth Root

y√n
2√n 123.3734169098
3√n 24.782649153966
4√n 11.107358682864
5√n 6.8625992298616

Divisors of 15221

1, 31, 491, 15221

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 -15220
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 15221 can be divided by 4 positive divisors. The sum of these divisors (counting 15221) is 1, the average is 0.25.

Base conversion 15221

Base System Value
2 Binary 11101101110101
3 Ternary 202212202
4 Quaternary 3231311
5 Quinary 441341
6 Senary 154245
8 Octal 35565
10 Decimal 15221
12 Duodecimal 8985
16 Hexadecimal 3b75
20 Vigesimal 1i11
36 Base36 bqt

Cryptographic Hash Functions

md5 57b33ae6c0bf00c454900bea31d88893
sha1 33a02fa41bfef06ee068cfb12faa218998d601d1
sha256 5c37f47e32a77a3f13920f36134c4dabf1bc0fa407cffbda7c92cb2f71f9a388
sha512 4ef62cfafc95539875c693f86611be4e535e25ddf7bd232a8d099da81392682bf1b2f770bcc68d711db74c90c88c4b2d1ce0c50047dda75ed09f22a92f77f02c
ripemd-160 4eaabe5a55cf64ae1a534fd64eb4dd135b628490

15221 as geometric shapes

Circle

Radius = n
Diameter 30442
Circumference 95636.36356058
Area 727840544.8778

Sphere

Radius = n
Volume 14771281244780
Surface area 2911362179.5112
Circumference 95636.36356058

Square

Length = n
Perimeter 60884
Area 231678841
Diagonal 21525.744632881

Cube

Length = n
Surface area 1390073046
Volume 3526383638861
Space diagonal 26363.545342006

Equilateral Triangle

Length = n
Perimeter 45663
Area 100319880.91267
Altitude 13181.772671003

Triangular Pyramid

Length = n
Surface area 100319880.91267
Volume 415588297350.65
Height 7175.2482109603