19389945 (number)

19389945 is an odd 8-digits composite number following 19389944 and preceding 19389946. In scientific notation, it is written as 1.9389945 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 9732864 positive integers (up to 19389945) that are relatively prime to 19389945.

Interesting facts

Basic properties

Name

Name nineteen million three hundred eighty-nine thousand nine hundred forty-five

Notation

Scientific notation 1.9389945 × 10^7
Engineering notation 1.9389945 × 10^6

Prime Factorization of 19389945

Prime Factorization 3 × 17 × 5 × 76039

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19389945
Product of the distinct prime numbers

The prime factorization of 19389945 is 3 × 17 × 5 × 76039. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19389945)

Multiplication

n×y
n×2 38779890
n×3 58169835
n×4 77559780
n×5 96949725

Division

n÷y
n÷2 9694972.5
n÷3 6463315
n÷3 4847486.25
n÷5 3877989

Exponentiation

ny
n2 375969967103025
n3 7.2900369837795E+21
n4 1.4135341616345E+29
n5 2.7408349649714E+36

Nth Root

y√n
2√n 4403.4015260932
3√n 268.65330792363
4√n 66.358130821273
5√n 28.675784992448

Divisors of 19389945

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 -19389944
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 19389945 can be divided by 16 positive divisors. The sum of these divisors (counting 19389945) is 1, the average is 0.0625.

Base conversion 19389945

Base System Value
2 Binary 1001001111101110111111001
3 Ternary 1100111010000010
4 Quaternary 1021331313321
5 Quinary 14430434240
6 Senary 1531332133
8 Octal 111756771
10 Decimal 19389945
12 Duodecimal 65b1049
16 Hexadecimal 127ddf9
20 Vigesimal 613eh5
36 Base36 bjldl

Cryptographic Hash Functions

md5 619ca2e41e26b852543a8216be75ef45
sha1 58bd0f110a2d6ff468b58d905da3b6256325e4c5
sha256 0c911f50bad20cc131699bd6fb8e1d2461f530ab7c880b33645df5465260ec24
sha512 79a1f3a56c6f2a0ec40049596ed7e4f2dff59f17bfc0249d7a8e65ec2bf66a29a1a9cbbb55d7574bdba8f03b2b1111976461747af34af66f13e31b8b6be64bb3
ripemd-160 1b961ed109fd85c1c8b4de2c3d4c33b7e10b378f

19389945 as geometric shapes

Circle

Radius = n
Diameter 38779890
Circumference 121830617.53102
Area 1.1811444866213E+15

Sphere

Radius = n
Volume 3.0536435510186E+22
Surface area 4.724577946485E+15
Circumference 121830617.53102

Square

Length = n
Perimeter 77559780
Area 375969967103025
Diagonal 27421523.192668

Cube

Length = n
Surface area 2255819802618150
Volume 7.2900369837795E+21
Space diagonal 33584369.895966

Equilateral Triangle

Length = n
Perimeter 58169835
Area 1.6279977128561E+14
Altitude 16792184.947983

Triangular Pyramid

Length = n
Surface area 1.6279977128561E+14
Volume 8.5913909772186E+20
Height 9140507.7308895