20685894 (number)

20685894 is an even 8-digits composite number following 20685893 and preceding 20685895. In scientific notation, it is written as 2.0685894 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6727040 positive integers (up to 20685894) that are relatively prime to 20685894.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand eight hundred ninety-four

Notation

Scientific notation 2.0685894 × 10^7
Engineering notation 2.0685894 × 10^6

Prime Factorization of 20685894

Prime Factorization 2 × 3 × 41 × 84089

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20685894
Product of the distinct prime numbers

The prime factorization of 20685894 is 2 × 3 × 41 × 84089. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 24, 100, 315, 382, 388, 2758, 7239, 67278, 522473, 990262, 5164983, 782329, 17086338, 27859958, 437688502, 692649079, 2781787306, 4541527061

Basic calculations (n = 20685894)

Multiplication

n×y
n×2 41371788
n×3 62057682
n×4 82743576
n×5 103429470

Division

n÷y
n÷2 10342947
n÷3 6895298
n÷3 5171473.5
n÷5 4137178.8

Exponentiation

ny
n2 427906210579236
n3 8.8516225139838E+21
n4 1.8310372505228E+29
n5 3.7876642474366E+36

Nth Root

y√n
2√n 4548.1747987517
3√n 274.50995481498
4√n 67.440157167312
5√n 29.049245640432

Divisors of 20685894

1, 2, 3, 6, 41, 82, 123, 246, 84089, 168178, 252267, 504534, 3447649, 6895298, 10342947, 20685894

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 -20685893
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 20685894 can be divided by 16 positive divisors. The sum of these divisors (counting 20685894) is 1, the average is 0.0625.

Base conversion 20685894

Base System Value
2 Binary 1001110111010010001000110
3 Ternary 1102220221201020
4 Quaternary 1032322101012
5 Quinary 20243422034
6 Senary 2015212010
8 Octal 116722106
10 Decimal 20685894
12 Duodecimal 6b17006
16 Hexadecimal 13ba446
20 Vigesimal 695eee
36 Base36 cbdc6

Cryptographic Hash Functions

md5 8191673d60467e1c421cba946979a3f3
sha1 7c31817e76e73e128b7a578be2735bc862d811da
sha256 10c0fb50e79f5ae4d041b046fb84b05707320d70c84ee9b050ee65ce7e5d0047
sha512 52c61ae7861c2db0730b0195a18b97ed1bf54951058fe06bf5326ebf2fa33e59ed1a236fc6d2c630c372de4712198b6bfe946f55ebf59cfb73c4fa77425e4fa0
ripemd-160 edc3da1abb243834c2a5b8f309dc822e1063dec7

20685894 as geometric shapes

Circle

Radius = n
Diameter 41371788
Circumference 129973305.24667
Area 1.3443070075812E+15

Sphere

Radius = n
Volume 3.7077589683042E+22
Surface area 5.3772280303247E+15
Circumference 129973305.24667

Square

Length = n
Perimeter 82743576
Area 427906210579236
Diagonal 29254271.844612

Cube

Length = n
Surface area 2567437263475416
Volume 8.8516225139838E+21
Space diagonal 35829019.407984

Equilateral Triangle

Length = n
Perimeter 62057682
Area 1.8528882439938E+14
Altitude 17914509.703992

Triangular Pyramid

Length = n
Surface area 1.8528882439938E+14
Volume 1.0431737173569E+21
Height 9751423.9482041