19389991 (number)

19389991 is an odd 8-digits composite number following 19389990 and preceding 19389992. In scientific notation, it is written as 1.9389991 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 18853560 positive integers (up to 19389991) that are relatively prime to 19389991.

Interesting facts

Basic properties

Name

Name nineteen million three hundred eighty-nine thousand nine hundred ninety-one

Notation

Scientific notation 1.9389991 × 10^7
Engineering notation 1.9389991 × 10^6

Prime Factorization of 19389991

Prime Factorization 163 × 47 × 2531

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19389991
Product of the distinct prime numbers

The prime factorization of 19389991 is 163 × 47 × 2531. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19389991)

Multiplication

n×y
n×2 38779982
n×3 58169973
n×4 77559964
n×5 96949955

Division

n÷y
n÷2 9694995.5
n÷3 6463330.3333333
n÷3 4847497.75
n÷5 3877998.2

Exponentiation

ny
n2 375971750980081
n3 7.290088867758E+21
n4 1.4135475753503E+29
n5 2.7408674764114E+36

Nth Root

y√n
2√n 4403.4067493249
3√n 268.65352037124
4√n 66.358170177642
5√n 28.675798598313

Divisors of 19389991

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 -19389990
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 19389991 can be divided by 8 positive divisors. The sum of these divisors (counting 19389991) is 1, the average is 0.125.

Base conversion 19389991

Base System Value
2 Binary 1001001111101111000100111
3 Ternary 1100111010001211
4 Quaternary 1021331320213
5 Quinary 14430434431
6 Senary 1531332251
8 Octal 111757047
10 Decimal 19389991
12 Duodecimal 65b1087
16 Hexadecimal 127de27
20 Vigesimal 613ejb
36 Base36 bjlev

Cryptographic Hash Functions

md5 a3def5b8bc3eb0fa328c28665c1fd201
sha1 261926ef718f1cbd47e6bf83fc82884af2893be0
sha256 649e9f348e4972c056089f107823fe951cb86c026d7133c5fbb741b3ef9a451e
sha512 4171764e9a6e6c72f232486557124e050884e7ddfa2cb17be130a8e9be1ebd8503c6a531d8ebf0e0a7d52374e2065e98e7ff0bae470247abdfb1e8287f5cc900
ripemd-160 2d72c137df0e1c641a73807ec21ebff5a91bd0d4

19389991 as geometric shapes

Circle

Radius = n
Diameter 38779982
Circumference 121830906.55754
Area 1.1811500908363E+15

Sphere

Radius = n
Volume 3.0536652841287E+22
Surface area 4.7246003633453E+15
Circumference 121830906.55754

Square

Length = n
Perimeter 77559964
Area 375971750980081
Diagonal 27421588.246492

Cube

Length = n
Surface area 2255830505880486
Volume 7.290088867758E+21
Space diagonal 33584449.570303

Equilateral Triangle

Length = n
Perimeter 58169973
Area 1.6280054372703E+14
Altitude 16792224.785152

Triangular Pyramid

Length = n
Surface area 1.6280054372703E+14
Volume 8.5914521230738E+20
Height 9140529.4154974