21730 (number)

21730 is an even 5-digits composite number following 21729 and preceding 21731. In scientific notation, it is written as 2.1730 × 10^4. The sum of its digits is 13. It has a total of 4 prime factors and 16 positive divisors. There are 8320 positive integers (up to 21730) that are relatively prime to 21730.

Interesting facts

Basic properties

Name

Name twenty-one thousand seven hundred thirty

Notation

Scientific notation 2.1730 × 10^4
Engineering notation 2.1730 × 10^3

Prime Factorization of 21730

Prime Factorization 2 × 5 × 41 × 53

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21730
Product of the distinct prime numbers

The prime factorization of 21730 is 2 × 5 × 41 × 53. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 26, 61, 212, 276, 3145, 9617, 80088, 15378, 961510, 916078, 6586441, 3737698, 47255887, 55551138, 675570231, 894172446, 6158263607, 375130431

Basic calculations (n = 21730)

Multiplication

n×y
n×2 43460
n×3 65190
n×4 86920
n×5 108650

Division

n÷y
n÷2 10865
n÷3 7243.3333333333
n÷3 5432.5
n÷5 4346

Exponentiation

ny
n2 472192900
n3 10260751717000
n4 222966134810410000
n5 4.8450541094302E+21

Nth Root

y√n
2√n 147.41099009233
3√n 27.90529226482
4√n 12.141292768578
5√n 7.3690574995382

Divisors of 21730

1, 2, 5, 10, 41, 53, 82, 106, 205, 265, 410, 530, 2173, 4346, 10865, 21730

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21729
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21730 can be divided by 16 positive divisors. The sum of these divisors (counting 21730) is 1, the average is 0.0625.

Base conversion 21730

Base System Value
2 Binary 101010011100010
3 Ternary 1002210211
4 Quaternary 11103202
5 Quinary 1143410
6 Senary 244334
8 Octal 52342
10 Decimal 21730
12 Duodecimal 106aa
16 Hexadecimal 54e2
20 Vigesimal 2e6a
36 Base36 grm

Cryptographic Hash Functions

md5 0c8fc7adb07a67b40a6fd3093b8865a8
sha1 274cd189147923bcd9524b97d0cc308e5063a24d
sha256 5002896b068573547daabeb70f846d9f26a45467c18fb02e2a53be5971b0f47b
sha512 3f048cfcec147eed92ff674a642330006abcedc7e1ad43b46d9565c0614027224c02aa7ad30268742adc190ef9f6cf7d48753d8cb75a50f6577ba66be69ff065
ripemd-160 5700183a30a33a857506993e8dc6df51b06789e5

21730 as geometric shapes

Circle

Radius = n
Diameter 43460
Circumference 136533.61672501
Area 1483437745.7173

Sphere

Radius = n
Volume 42980136285915
Surface area 5933750982.869
Circumference 136533.61672501

Square

Length = n
Perimeter 86920
Area 472192900
Diagonal 30730.860710367

Cube

Length = n
Surface area 2833157400
Volume 10260751717000
Space diagonal 37637.464048472

Equilateral Triangle

Length = n
Perimeter 65190
Area 204465523.44332
Altitude 18818.732024236

Triangular Pyramid

Length = n
Surface area 204465523.44332
Volume 1209241186527
Height 10243.620236789