21741 (number)

21741 is an odd 5-digits composite number following 21740 and preceding 21742. In scientific notation, it is written as 2.1741 × 10^4. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 14492 positive integers (up to 21741) that are relatively prime to 21741.

Interesting facts

Basic properties

Name

Name twenty-one thousand seven hundred forty-one

Notation

Scientific notation 2.1741 × 10^4
Engineering notation 2.1741 × 10^3

Prime Factorization of 21741

Prime Factorization 3 × 7247

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21741
Product of the distinct prime numbers

The prime factorization of 21741 is 3 × 7247. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 22, 81, 347, 408, 6905, 6363, 26010, 7654, 561169, 361760, 3990007, 9447661, 85150900, 40665540, 618899842, 898960353, 9918570297, 8384433100

Basic calculations (n = 21741)

Multiplication

n×y
n×2 43482
n×3 65223
n×4 86964
n×5 108705

Division

n÷y
n÷2 10870.5
n÷3 7247
n÷3 5435.25
n÷5 4348.2

Exponentiation

ny
n2 472671081
n3 10276341972021
n4 223417950813708561
n5 4.8573296686408E+21

Nth Root

y√n
2√n 147.44829602271
3√n 27.910000140785
4√n 12.14282899586
5√n 7.3698034104827

Divisors of 21741

1, 3, 7247, 21741

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 -21740
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 21741 can be divided by 4 positive divisors. The sum of these divisors (counting 21741) is 1, the average is 0.25.

Base conversion 21741

Base System Value
2 Binary 101010011101101
3 Ternary 1002211020
4 Quaternary 11103231
5 Quinary 1143431
6 Senary 244353
8 Octal 52355
10 Decimal 21741
12 Duodecimal 106b9
16 Hexadecimal 54ed
20 Vigesimal 2e71
36 Base36 grx

Cryptographic Hash Functions

md5 df406179fe73acb98a8f45606449d731
sha1 a8f6d270a1a7800d93591621a885887b6a48e827
sha256 60010422eec4c33f3d14dc47fe599d3a605ff533e8b9a121f1c1b275f002981b
sha512 7f2d32f8c7b26c3f0e9cd07bab9a68d08141af00c08866bbbbd0dd9b990aa6d2bb8ee653accdd4942ce13c4b0669c1a30667629740ca42ea0ab08b51b66c6b4e
ripemd-160 2e35e005c6d2e005e77c4ed196fbdc36e42bf70c

21741 as geometric shapes

Circle

Radius = n
Diameter 43482
Circumference 136602.73176339
Area 1484939995.6339

Sphere

Radius = n
Volume 43045440593437
Surface area 5939759982.5358
Circumference 136602.73176339

Square

Length = n
Perimeter 86964
Area 472671081
Diagonal 30746.417059553

Cube

Length = n
Surface area 2836026486
Volume 10276341972021
Space diagonal 37656.516607355

Equilateral Triangle

Length = n
Perimeter 65223
Area 204672581.89013
Altitude 18828.258303677

Triangular Pyramid

Length = n
Surface area 204672581.89013
Volume 1211078515701.3
Height 10248.805686518