20191243 (number)

20191243 is an odd 8-digits composite number following 20191242 and preceding 20191244. In scientific notation, it is written as 2.0191243 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 19128528 positive integers (up to 20191243) that are relatively prime to 20191243.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-one thousand two hundred forty-three

Notation

Scientific notation 2.0191243 × 10^7
Engineering notation 2.0191243 × 10^6

Prime Factorization of 20191243

Prime Factorization 19 × 1062697

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20191243
Product of the distinct prime numbers

The prime factorization of 20191243 is 19 × 1062697. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20191243)

Multiplication

n×y
n×2 40382486
n×3 60573729
n×4 80764972
n×5 100956215

Division

n÷y
n÷2 10095621.5
n÷3 6730414.3333333
n÷3 5047810.75
n÷5 4038248.6

Exponentiation

ny
n2 407686293885049
n3 8.2316930276024E+21
n4 1.6620811422173E+29
n5 3.3559484228226E+36

Nth Root

y√n
2√n 4493.4667017794
3√n 272.30420747469
4√n 67.033325307487
5√n 28.908969512072

Divisors of 20191243

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 -20191242
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 20191243 can be divided by 4 positive divisors. The sum of these divisors (counting 20191243) is 1, the average is 0.25.

Base conversion 20191243

Base System Value
2 Binary 1001101000001100000001011
3 Ternary 1101222211011211
4 Quaternary 1031001200023
5 Quinary 20132104433
6 Senary 2000433551
8 Octal 115014013
10 Decimal 20191243
12 Duodecimal 69188b7
16 Hexadecimal 134180b
20 Vigesimal 663i23
36 Base36 c0rnv

Cryptographic Hash Functions

md5 20a35d1e1ad54b81895f0a2cdc976664
sha1 0a3d1bb73dcbf99c588fcc20dfeca4d8702cfc24
sha256 2eb840f320aee874bb387eea6df4c085e882faeb530fc75346c18c70490fe8e4
sha512 844a020831dd8bf41e57021f5e2ca6e8350781902b04aa4805d812e73aa92ebf430e9dd33e204235d8541f80cf7464ca2ee074c8f424ea536cc22a185a6cc017
ripemd-160 d2f571efafd5cadc2d450e6c335d46b703ec0d01

20191243 as geometric shapes

Circle

Radius = n
Diameter 40382486
Circumference 126865321.35129
Area 1.2807842658385E+15

Sphere

Radius = n
Volume 3.448083512283E+22
Surface area 5.1231370633541E+15
Circumference 126865321.35129

Square

Length = n
Perimeter 80764972
Area 407686293885049
Diagonal 28554729.691771

Cube

Length = n
Surface area 2446117763310294
Volume 8.2316930276024E+21
Space diagonal 34972258.743969

Equilateral Triangle

Length = n
Perimeter 60573729
Area 1.7653334363959E+14
Altitude 17486129.371985

Triangular Pyramid

Length = n
Surface area 1.7653334363959E+14
Volume 9.7011432674395E+20
Height 9518243.2305903