20393445 (number)

20393445 is an odd 8-digits composite number following 20393444 and preceding 20393446. In scientific notation, it is written as 2.0393445 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 10876496 positive integers (up to 20393445) that are relatively prime to 20393445.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-three thousand four hundred forty-five

Notation

Scientific notation 2.0393445 × 10^7
Engineering notation 2.0393445 × 10^6

Prime Factorization of 20393445

Prime Factorization 15 × 1359563

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20393445
Product of the distinct prime numbers

The prime factorization of 20393445 is 15 × 1359563. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20393445)

Multiplication

n×y
n×2 40786890
n×3 61180335
n×4 81573780
n×5 101967225

Division

n÷y
n÷2 10196722.5
n÷3 6797815
n÷3 5098361.25
n÷5 4078689

Exponentiation

ny
n2 415892598968025
n3 8.4814828429615E+21
n4 1.7296665387638E+29
n5 3.527385942662E+36

Nth Root

y√n
2√n 4515.9102072561
3√n 273.21017238701
4√n 67.200522373387
5√n 28.966639818249

Divisors of 20393445

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 -20393444
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 20393445 can be divided by 4 positive divisors. The sum of these divisors (counting 20393445) is 1, the average is 0.25.

Base conversion 20393445

Base System Value
2 Binary 1001101110010110111100101
3 Ternary 1102101002112210
4 Quaternary 1031302313211
5 Quinary 20210042240
6 Senary 2005034033
8 Octal 115626745
10 Decimal 20393445
12 Duodecimal 69b5919
16 Hexadecimal 1372de5
20 Vigesimal 6793c5
36 Base36 c53ol

Cryptographic Hash Functions

md5 f9ca41a26d3f4371a0322ecd2f0faa88
sha1 8b59b2cacf694b73dd2d760c713e02f7686578bc
sha256 15dbbd39ea0e69aa931f26e393e0d5acf09ba056a5d03b91e0cada06a8036b37
sha512 940ea715849d634719b5dbc4a5624376790cd720eb228d37182dd9f6aff30a496e199661c63ee3e6cc4179ab51bb693d7a41066ace2ef783c12af23568dde745
ripemd-160 3b0346a466edaa88830c998336fc606277f89752

20393445 as geometric shapes

Circle

Radius = n
Diameter 40786890
Circumference 128135793.98677
Area 1.3065651336003E+15

Sphere

Radius = n
Volume 3.5527152254661E+22
Surface area 5.2262605344013E+15
Circumference 128135793.98677

Square

Length = n
Perimeter 81573780
Area 415892598968025
Diagonal 28840686.50251

Cube

Length = n
Surface area 2495355593808150
Volume 8.4814828429615E+21
Space diagonal 35322482.881361

Equilateral Triangle

Length = n
Perimeter 61180335
Area 1.8008677797612E+14
Altitude 17661241.440681

Triangular Pyramid

Length = n
Surface area 1.8008677797612E+14
Volume 9.995523387959E+20
Height 9613562.1675033