20145894 (number)

20145894 is an even 8-digits composite number following 20145893 and preceding 20145895. In scientific notation, it is written as 2.0145894 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 6483680 positive integers (up to 20145894) that are relatively prime to 20145894.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand eight hundred ninety-four

Notation

Scientific notation 2.0145894 × 10^7
Engineering notation 2.0145894 × 10^6

Prime Factorization of 20145894

Prime Factorization 2 × 3 × 29 × 115781

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20145894
Product of the distinct prime numbers

The prime factorization of 20145894 is 2 × 3 × 29 × 115781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145894)

Multiplication

n×y
n×2 40291788
n×3 60437682
n×4 80583576
n×5 100729470

Division

n÷y
n÷2 10072947
n÷3 6715298
n÷3 5036473.5
n÷5 4029178.8

Exponentiation

ny
n2 405857045059236
n3 8.1763530089166E+21
n4 1.6471994102421E+29
n5 3.3184304715601E+36

Nth Root

y√n
2√n 4488.4177613052
3√n 272.10019196779
4√n 66.995654794212
5√n 28.89597207323

Divisors of 20145894

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 -20145893
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 20145894 can be divided by 16 positive divisors. The sum of these divisors (counting 20145894) is 1, the average is 0.0625.

Base conversion 20145894

Base System Value
2 Binary 1001100110110011011100110
3 Ternary 1101220111222020
4 Quaternary 1030312123212
5 Quinary 20124132034
6 Senary 1555444010
8 Octal 114663346
10 Decimal 20145894
12 Duodecimal 68b6606
16 Hexadecimal 13366e6
20 Vigesimal 65i4ee
36 Base36 bzso6

Cryptographic Hash Functions

md5 50b16d94169bdc92351b79db6b033804
sha1 0b6a7c35a8cc9da40ec71af4356027494d8bef89
sha256 0940f58dc98b0bf81e52576950a359dcff09b6406807f7c29b3325a0c5dfbc07
sha512 072b0bd10a7a035ad639050e9b4a72787781a5715f987eee75376b7f70c28e912578ac63b5341a3db1c7591b84bf2682a7ed07a09f10750b2c55f862f02ee2bf
ripemd-160 68ce2d815963cbaa916a854b763a66cc57e21736

20145894 as geometric shapes

Circle

Radius = n
Diameter 40291788
Circumference 126580385.1808
Area 1.2750375111658E+15

Sphere

Radius = n
Volume 3.4249027394626E+22
Surface area 5.100150044663E+15
Circumference 126580385.1808

Square

Length = n
Perimeter 80583576
Area 405857045059236
Diagonal 28490596.520931

Cube

Length = n
Surface area 2435142270355416
Volume 8.1763530089166E+21
Space diagonal 34893711.971897

Equilateral Triangle

Length = n
Perimeter 60437682
Area 1.7574125566309E+14
Altitude 17446855.985948

Triangular Pyramid

Length = n
Surface area 1.7574125566309E+14
Volume 9.6359244299666E+20
Height 9496865.5069769