20678 (number)

20678 is an even 5-digits composite number following 20677 and preceding 20679. In scientific notation, it is written as 2.0678 × 10^4. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 8820 positive integers (up to 20678) that are relatively prime to 20678.

Interesting facts

Basic properties

Name

Name twenty thousand six hundred seventy-eight

Notation

Scientific notation 2.0678 × 10^4
Engineering notation 2.0678 × 10^3

Prime Factorization of 20678

Prime Factorization 2 × 7 × 7 × 211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2954
Product of the distinct prime numbers

The prime factorization of 20678 is 2 × 7 × 7 × 211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 71, 4, 900, 27, 2219, 3369, 4580, 21319, 721120, 189961, 6467821, 2715774, 53708577, 24756519, 537865230, 261674067, 5886879654, 533042332

Basic calculations (n = 20678)

Multiplication

n×y
n×2 41356
n×3 62034
n×4 82712
n×5 103390

Division

n÷y
n÷2 10339
n÷3 6892.6666666667
n÷3 5169.5
n÷5 4135.6

Exponentiation

ny
n2 427579684
n3 8841492705752
n4 182824386169539856
n5 3.7804426572137E+21

Nth Root

y√n
2√n 143.79847008922
3√n 27.447503154325
4√n 11.99159998037
5√n 7.2962835985313

Divisors of 20678

1, 2, 7, 14, 49, 98, 211, 422, 1477, 2954, 10339, 20678

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20677
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20678 can be divided by 12 positive divisors. The sum of these divisors (counting 20678) is 1, the average is 0.083333333333333.

Base conversion 20678

Base System Value
2 Binary 101000011000110
3 Ternary 1001100212
4 Quaternary 11003012
5 Quinary 1130203
6 Senary 235422
8 Octal 50306
10 Decimal 20678
12 Duodecimal bb72
16 Hexadecimal 50c6
20 Vigesimal 2bdi
36 Base36 fye

Cryptographic Hash Functions

md5 2ac5f9cb8a8e89382c2fc21937c21ae6
sha1 5e3d6507d1c6c4e3e669f87678290dec888449e3
sha256 e37e5781b6e8a8a7532c056a1e96d375690304a3a25fa7bcab5ee3d6252165ec
sha512 a140e02aafe88bc14078e86c5141caee9bf6c0f18fd9c14de67415f95da2d96db1a77e0f62722ed1539cd4a2873b3ffc8c1a0f022be1a33ef7a38198025b444a
ripemd-160 384948c4a9e11ad5b9ea3d8741da503ac6a59338

20678 as geometric shapes

Circle

Radius = n
Diameter 41356
Circumference 129923.70578186
Area 1343281194.0786

Sphere

Radius = n
Volume 37035158041544
Surface area 5373124776.3146
Circumference 129923.70578186

Square

Length = n
Perimeter 82712
Area 427579684
Diagonal 29243.108042751

Cube

Length = n
Surface area 2565478104
Volume 8841492705752
Space diagonal 35815.346598909

Equilateral Triangle

Length = n
Perimeter 62034
Area 185147434.24306
Altitude 17907.673299455

Triangular Pyramid

Length = n
Surface area 185147434.24306
Volume 1041979908008.1
Height 9747.702680917