20421830 (number)

20421830 is an even 8-digits composite number following 20421829 and preceding 20421831. In scientific notation, it is written as 2.0421830 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors. There are 6854400 positive integers (up to 20421830) that are relatively prime to 20421830.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand eight hundred thirty

Notation

Scientific notation 2.0421830 × 10^7
Engineering notation 2.0421830 × 10^6

Prime Factorization of 20421830

Prime Factorization 2 × 11 × 5 × 13 × 14281

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20421830
Product of the distinct prime numbers

The prime factorization of 20421830 is 2 × 11 × 5 × 13 × 14281. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 78, 72, 25, 131, 7585, 7864, 31069, 72623, 194825, 350649, 774402, 56469, 14008783, 8905158, 130144409, 52535957, 5635593607, 4287695082

Basic calculations (n = 20421830)

Multiplication

n×y
n×2 40843660
n×3 61265490
n×4 81687320
n×5 102109150

Division

n÷y
n÷2 10210915
n÷3 6807276.6666667
n÷3 5105457.5
n÷5 4084366

Exponentiation

ny
n2 417051140548900
n3 8.5169474935957E+21
n4 1.7393165383314E+29
n5 3.5520026661992E+36

Nth Root

y√n
2√n 4519.0518917136
3√n 273.33687119487
4√n 67.223893755967
5√n 28.974698885123

Divisors of 20421830

1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14281, 28562, 71405, 142810, 157091, 185653, 314182, 371306, 785455, 928265, 1570910, 1856530, 2042183, 4084366, 10210915, 20421830

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20421829
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421830 can be divided by 32 positive divisors. The sum of these divisors (counting 20421830) is 1, the average is 0.03125.

Base conversion 20421830

Base System Value
2 Binary 1001101111001110011000110
3 Ternary 1102102112111002
4 Quaternary 1031321303012
5 Quinary 20211444310
6 Senary 2005413302
8 Octal 115716306
10 Decimal 20421830
12 Duodecimal 6a0a232
16 Hexadecimal 1379cc6
20 Vigesimal 67ceba
36 Base36 c5pl2

Cryptographic Hash Functions

md5 68b007a751eb0c7735b74bb0a07a6921
sha1 b946247b4dc7d5b78aa21e363e746737fc2c2588
sha256 4a9b6cf95dad5fa9d34f4a8fdd87daaf782066c95f56376d80ed767522a04505
sha512 7216cfbd65c436015d98293e0afe81b7a5aaaca60b88585cdba3296b0b348522674c3a4cc1454b36f78295cbffeecc8e8d73a317bf858e3b6f7f845464587620
ripemd-160 2e10a07cd3d327a36c1faddcdbf2c9a19337e915

20421830 as geometric shapes

Circle

Radius = n
Diameter 40843660
Circumference 128314142.20172
Area 1.3102047993197E+15

Sphere

Radius = n
Volume 3.5675706235854E+22
Surface area 5.2408191972787E+15
Circumference 128314142.20172

Square

Length = n
Perimeter 81687320
Area 417051140548900
Diagonal 28880828.954478

Cube

Length = n
Surface area 2502306843293400
Volume 8.5169474935957E+21
Space diagonal 35371647.143534

Equilateral Triangle

Length = n
Perimeter 61265490
Area 1.8058844119631E+14
Altitude 17685823.571767

Triangular Pyramid

Length = n
Surface area 1.8058844119631E+14
Volume 1.0037318879552E+21
Height 9626942.9848259