20421943 (number)

20421943 is an odd 8-digits composite number following 20421942 and preceding 20421944. In scientific notation, it is written as 2.0421943 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 20055000 positive integers (up to 20421943) that are relatively prime to 20421943.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand nine hundred forty-three

Notation

Scientific notation 2.0421943 × 10^7
Engineering notation 2.0421943 × 10^6

Prime Factorization of 20421943

Prime Factorization 71 × 383 × 751

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20421943
Product of the distinct prime numbers

The prime factorization of 20421943 is 71 × 383 × 751. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421943)

Multiplication

n×y
n×2 40843886
n×3 61265829
n×4 81687772
n×5 102109715

Division

n÷y
n÷2 10210971.5
n÷3 6807314.3333333
n÷3 5105485.75
n÷5 4084388.6

Exponentiation

ny
n2 417055755895249
n3 8.5170888747147E+21
n4 1.7393550352536E+29
n5 3.5521009386712E+36

Nth Root

y√n
2√n 4519.0643943188
3√n 273.33737534508
4√n 67.223986748175
5√n 28.974730950161

Divisors of 20421943

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 -20421942
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 20421943 can be divided by 8 positive divisors. The sum of these divisors (counting 20421943) is 1, the average is 0.125.

Base conversion 20421943

Base System Value
2 Binary 1001101111001110100110111
3 Ternary 1102102112122021
4 Quaternary 1031321310313
5 Quinary 20212000233
6 Senary 2005414011
8 Octal 115716467
10 Decimal 20421943
12 Duodecimal 6a0a307
16 Hexadecimal 1379d37
20 Vigesimal 67ceh3
36 Base36 c5po7

Cryptographic Hash Functions

md5 5d9536cbfdcc01040aba8fe847bb0888
sha1 59602f6709d9afbdacb5a583dd296e1f578c247a
sha256 5218ec0026b118c5c639581bef49f86d789daa331a1febabb849cdace56f88b5
sha512 f70171e3fb4cce2934249a69d5bc88ca99f62fba14ff140abbb27d1f6dbc85e6081c050b77f6dab2554a2e008f0a4fdf9fbd15c0b199b326c9042354344e8a97
ripemd-160 458d61f2ca1d527d0b243f8e910714ae5dadf4ee

20421943 as geometric shapes

Circle

Radius = n
Diameter 40843886
Circumference 128314852.20166
Area 1.3102192988579E+15

Sphere

Radius = n
Volume 3.56762984517E+22
Surface area 5.2408771954314E+15
Circumference 128314852.20166

Square

Length = n
Perimeter 81687772
Area 417055755895249
Diagonal 28880988.76061

Cube

Length = n
Surface area 2502334535371494
Volume 8.5170888747147E+21
Space diagonal 35371842.865276

Equilateral Triangle

Length = n
Perimeter 61265829
Area 1.805904396999E+14
Altitude 17685921.432638

Triangular Pyramid

Length = n
Surface area 1.805904396999E+14
Volume 1.0037485498799E+21
Height 9626996.2535368