20718 (number)

20718 is an even 5-digits composite number following 20717 and preceding 20719. In scientific notation, it is written as 2.0718 × 10^4. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 6900 positive integers (up to 20718) that are relatively prime to 20718.

Interesting facts

Basic properties

Name

Name twenty thousand seven hundred eighteen

Notation

Scientific notation 2.0718 × 10^4
Engineering notation 2.0718 × 10^3

Prime Factorization of 20718

Prime Factorization 2 × 9 × 1151

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20718
Product of the distinct prime numbers

The prime factorization of 20718 is 2 × 9 × 1151. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 3, 5, 70, 675, 691, 8842, 2205, 14965, 21682, 111186, 87667, 403183, 1752736, 21993473, 59326474, 371508942, 422230098, 2378820876, 9579129391

Basic calculations (n = 20718)

Multiplication

n×y
n×2 41436
n×3 62154
n×4 82872
n×5 103590

Division

n÷y
n÷2 10359
n÷3 6906
n÷3 5179.5
n÷5 4143.6

Exponentiation

ny
n2 429235524
n3 8892901586232
n4 184243135063554576
n5 3.8171492722467E+21

Nth Root

y√n
2√n 143.93748643074
3√n 27.465190115533
4√n 11.997394985193
5√n 7.2991042366985

Divisors of 20718

1, 2, 9, 18, 1151, 2302, 10359, 20718

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 -20717
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 20718 can be divided by 8 positive divisors. The sum of these divisors (counting 20718) is 1, the average is 0.125.

Base conversion 20718

Base System Value
2 Binary 101000011101110
3 Ternary 1001102100
4 Quaternary 11003232
5 Quinary 1130333
6 Senary 235530
8 Octal 50356
10 Decimal 20718
12 Duodecimal bba6
16 Hexadecimal 50ee
20 Vigesimal 2bfi
36 Base36 fzi

Cryptographic Hash Functions

md5 76e29a9f2d8037429c360bdefcca0f57
sha1 f47f726aea99322292b751b94508f3303daf5eb6
sha256 96d4595587a72520169270cad6bf58b92c156ca451dd5df61ed09568531606be
sha512 a6f19b31721fd0d11584f7889073301da5f24fab0c79ce51d35ecb46d46f26a5ab079b19881eecd50ecbd8088bad4d63644e57a004d76e228157fa9811055c8e
ripemd-160 4872c5e1e9f25a3e930d6f3b98fce933b1cc9936

20718 as geometric shapes

Circle

Radius = n
Diameter 41436
Circumference 130175.03319415
Area 1348483168.8582

Sphere

Radius = n
Volume 37250499056538
Surface area 5393932675.4327
Circumference 130175.03319415

Square

Length = n
Perimeter 82872
Area 429235524
Diagonal 29299.676585246

Cube

Length = n
Surface area 2575413144
Volume 8892901586232
Space diagonal 35884.628631212

Equilateral Triangle

Length = n
Perimeter 62154
Area 185864433.99536
Altitude 17942.314315606

Triangular Pyramid

Length = n
Surface area 185864433.99536
Volume 1048038502674.9
Height 9766.5588617486