20191438 (number)

20191438 is an even 8-digits composite number following 20191437 and preceding 20191439. In scientific notation, it is written as 2.0191438 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 10087296 positive integers (up to 20191438) that are relatively prime to 20191438.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-one thousand four hundred thirty-eight

Notation

Scientific notation 2.0191438 × 10^7
Engineering notation 2.0191438 × 10^6

Prime Factorization of 20191438

Prime Factorization 2 × 6977 × 1447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20191438
Product of the distinct prime numbers

The prime factorization of 20191438 is 2 × 6977 × 1447. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20191438)

Multiplication

n×y
n×2 40382876
n×3 60574314
n×4 80765752
n×5 100957190

Division

n÷y
n÷2 10095719
n÷3 6730479.3333333
n÷3 5047859.5
n÷5 4038287.6

Exponentiation

ny
n2 407694168507844
n3 8.2319315263877E+21
n4 1.662145350353E+29
n5 3.3561104788641E+36

Nth Root

y√n
2√n 4493.488399896
3√n 272.3050840783
4√n 67.033487153034
5√n 28.90902535041

Divisors of 20191438

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 -20191437
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 20191438 can be divided by 8 positive divisors. The sum of these divisors (counting 20191438) is 1, the average is 0.125.

Base conversion 20191438

Base System Value
2 Binary 1001101000001100011001110
3 Ternary 1101222211110001
4 Quaternary 1031001203032
5 Quinary 20132111223
6 Senary 2000434514
8 Octal 115014316
10 Decimal 20191438
12 Duodecimal 6918a3a
16 Hexadecimal 13418ce
20 Vigesimal 663ibi
36 Base36 c0rta

Cryptographic Hash Functions

md5 f7a02ee3f6b4e4f90c412d6df77ced92
sha1 c9069543fb2e5552235b4447a53b66d92a0c557d
sha256 83d3da87ee9c4e10cb6c1abf126c418a6655e035ddcef2ec317eeedb977ef78e
sha512 7ba25f59d2b15a15d1781d4e084356f4e2af0a6d7cafad9a2545b1fc5b6381d4265cc934fe811b8534f84f34212b5809babcb33609964125b6515777b1d2e781
ripemd-160 1200068113e8c9e6afc325cc3d2ec1db8b9a1dd5

20191438 as geometric shapes

Circle

Radius = n
Diameter 40382876
Circumference 126866546.57243
Area 1.2808090046956E+15

Sphere

Radius = n
Volume 3.4481834144205E+22
Surface area 5.1232360187826E+15
Circumference 126866546.57243

Square

Length = n
Perimeter 80765752
Area 407694168507844
Diagonal 28555005.463415

Cube

Length = n
Surface area 2446165011047064
Volume 8.2319315263877E+21
Space diagonal 34972596.493877

Equilateral Triangle

Length = n
Perimeter 60574314
Area 1.7653675345128E+14
Altitude 17486298.246938

Triangular Pyramid

Length = n
Surface area 1.7653675345128E+14
Volume 9.7014243409534E+20
Height 9518335.1544718