19388889 (number)

19388889 is an odd 8-digits composite number following 19388888 and preceding 19388890. In scientific notation, it is written as 1.9388889 × 10^7. The sum of its digits is 54. It has a total of 5 prime factors and 20 positive divisors. There are 11930976 positive integers (up to 19388889) that are relatively prime to 19388889.

Interesting facts

Basic properties

Name

Name nineteen million three hundred eighty-eight thousand eight hundred eighty-nine

Notation

Scientific notation 1.9388889 × 10^7
Engineering notation 1.9388889 × 10^6

Prime Factorization of 19388889

Prime Factorization 9 × 3 × 3 × 13 × 18413

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6462963
Product of the distinct prime numbers

The prime factorization of 19388889 is 9 × 3 × 3 × 13 × 18413. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 3, 35, 19, 605, 938, 1695, 869, 15107, 27303, 112950, 16085, 2420392, 7144064, 16947256, 6873825, 713807087, 559504351, 6355620546, 362439098

Basic calculations (n = 19388889)

Multiplication

n×y
n×2 38777778
n×3 58166667
n×4 77555556
n×5 96944445

Division

n÷y
n÷2 9694444.5
n÷3 6462963
n÷3 4847222.25
n÷5 3877777.8

Exponentiation

ny
n2 375929016654321
n3 7.2888459757898E+21
n4 1.4132262556268E+29
n5 2.7400887002235E+36

Nth Root

y√n
2√n 4403.2816171578
3√n 268.64843077307
4√n 66.357227316682
5√n 28.675472642014

Divisors of 19388889

1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18413, 55239, 165717, 239369, 497151, 718107, 1491453, 2154321, 6462963, 19388889

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19388888
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19388889 can be divided by 20 positive divisors. The sum of these divisors (counting 19388889) is 1, the average is 0.05.

Base conversion 19388889

Base System Value
2 Binary 1001001111101100111011001
3 Ternary 1100111001120000
4 Quaternary 1021331213121
5 Quinary 14430421024
6 Senary 1531323213
8 Octal 111754731
10 Decimal 19388889
12 Duodecimal 65b0509
16 Hexadecimal 127d9d9
20 Vigesimal 613c49
36 Base36 bjkk9

Cryptographic Hash Functions

md5 e36f3cacd513c95b03504157aea319bf
sha1 701a970fc8a85dfc0083dcd3a6ce3fec00e52c4a
sha256 11a63d80663ddb9826409cc974032609dbb96ec9d035769380806b37ccba597f
sha512 8635f848ec2fc7d9be459668c90fba5da79ec6325411e404a0a41a03496386fd6a1de0030ade7b408e65529a3706312ec3b986b840b59f3f212a8263066a7481
ripemd-160 0e050842e5ae5e7f2112bf034e2ffca24633a348

19388889 as geometric shapes

Circle

Radius = n
Diameter 38777778
Circumference 121823982.48734
Area 1.1810158369924E+15

Sphere

Radius = n
Volume 3.0531446627585E+22
Surface area 4.7240633479698E+15
Circumference 121823982.48734

Square

Length = n
Perimeter 77555556
Area 375929016654321
Diagonal 27420029.783147

Cube

Length = n
Surface area 2255574099925926
Volume 7.2888459757898E+21
Space diagonal 33582540.850313

Equilateral Triangle

Length = n
Perimeter 58166667
Area 1.6278203922117E+14
Altitude 16791270.425157

Triangular Pyramid

Length = n
Surface area 1.6278203922117E+14
Volume 8.5899873608421E+20
Height 9140009.9277155