20387839 (number)

20387839 is an odd 8-digits composite number following 20387838 and preceding 20387840. In scientific notation, it is written as 2.0387839 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20351440 positive integers (up to 20387839) that are relatively prime to 20387839.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-seven thousand eight hundred thirty-nine

Notation

Scientific notation 2.0387839 × 10^7
Engineering notation 2.0387839 × 10^6

Prime Factorization of 20387839

Prime Factorization 569 × 35831

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20387839
Product of the distinct prime numbers

The prime factorization of 20387839 is 569 × 35831. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 7, 89, 93, 552, 604, 377, 4996, 4532, 13277, 687843, 966998, 9867776, 5657707, 45235453, 70445493, 545731147, 838065803, 8297883314, 175159203

Basic calculations (n = 20387839)

Multiplication

n×y
n×2 40775678
n×3 61163517
n×4 81551356
n×5 101939195

Division

n÷y
n÷2 10193919.5
n÷3 6795946.3333333
n÷3 5096959.75
n÷5 4077567.8

Exponentiation

ny
n2 415663979089921
n3 8.4744902837847E+21
n4 1.7277654351287E+29
n5 3.5225403521168E+36

Nth Root

y√n
2√n 4515.2894702333
3√n 273.18513563965
4√n 67.195903671528
5√n 28.965047102145

Divisors of 20387839

1, 569, 35831, 20387839

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 -20387838
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 20387839 can be divided by 4 positive divisors. The sum of these divisors (counting 20387839) is 1, the average is 0.25.

Base conversion 20387839

Base System Value
2 Binary 1001101110001011111111111
3 Ternary 1102100210212011
4 Quaternary 1031301133333
5 Quinary 20204402324
6 Senary 2004552051
8 Octal 115613777
10 Decimal 20387839
12 Duodecimal 69b2627
16 Hexadecimal 13717ff
20 Vigesimal 6789bj
36 Base36 c4zcv

Cryptographic Hash Functions

md5 1c6b76e4161e616ef1ecfe08984066f0
sha1 82897ad3f487a15fc6d9c8155d3a927fd22726f5
sha256 19c4d708f6ed9705fdc402b393b468af67013dd7a89a1cb4c1fd8ceb9ba46ed8
sha512 1fe9eaec4629ddbffeceee3f30426b700422979756e17b1dd13e21e4fcc4533e0f77a931cea899ba128bb7308378dfbc6b4a720f22199949ef4911e73c2d7465
ripemd-160 96428cfd598abdbe5ea29992f56b356a33eaef39

20387839 as geometric shapes

Circle

Radius = n
Diameter 40775678
Circumference 128100570.44994
Area 1.3058469030708E+15

Sphere

Radius = n
Volume 3.5497861891275E+22
Surface area 5.2233876122832E+15
Circumference 128100570.44994

Square

Length = n
Perimeter 81551356
Area 415663979089921
Diagonal 28832758.421279

Cube

Length = n
Surface area 2493983874539526
Volume 8.4744902837847E+21
Space diagonal 35312773.004534

Equilateral Triangle

Length = n
Perimeter 61163517
Area 1.79987782665E+14
Altitude 17656386.502267

Triangular Pyramid

Length = n
Surface area 1.79987782665E+14
Volume 9.9872825779394E+20
Height 9610919.4737597