20421208 (number)

20421208 is an even 8-digits composite number following 20421207 and preceding 20421209. In scientific notation, it is written as 2.0421208 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 8 positive divisors. There are 10210600 positive integers (up to 20421208) that are relatively prime to 20421208.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421208 × 10^7
Engineering notation 2.0421208 × 10^6

Prime Factorization of 20421208

Prime Factorization 2 × 2 × 2 × 2552651

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5105302
Product of the distinct prime numbers

The prime factorization of 20421208 is 2 × 2 × 2 × 2552651. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421208)

Multiplication

n×y
n×2 40842416
n×3 61263624
n×4 81684832
n×5 102106040

Division

n÷y
n÷2 10210604
n÷3 6807069.3333333
n÷3 5105302
n÷5 4084241.6

Exponentiation

ny
n2 417025736179264
n3 8.5161692998699E+21
n4 1.7391046463586E+29
n5 3.5514617717055E+36

Nth Root

y√n
2√n 4518.9830714443
3√n 273.33409610469
4√n 67.223381880446
5√n 28.974522382995

Divisors of 20421208

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 -20421207
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 20421208 can be divided by 8 positive divisors. The sum of these divisors (counting 20421208) is 1, the average is 0.125.

Base conversion 20421208

Base System Value
2 Binary 1001101111001101001011000
3 Ternary 1102102111122001
4 Quaternary 1031321221120
5 Quinary 20211434313
6 Senary 2005410344
8 Octal 115715130
10 Decimal 20421208
12 Duodecimal 6a099b4
16 Hexadecimal 1379a58
20 Vigesimal 67cd08
36 Base36 c5p3s

Cryptographic Hash Functions

md5 cafee2f5de0c43b36027416439fd6840
sha1 bc0d825682e08a3367c41e506bac081cb5c0e979
sha256 1803ffafb7e8027bf16697699eabc89f705f574de2ed5bfa21b1ecf8535911f4
sha512 628b72f858362f9067c67f0badeb6e523e32fd8a1b6988859f81bfc9d0e55c5455212c3257ba2be154b205245148bec60fa319fa2d3860b0031ef15be91b077b
ripemd-160 e0c3a8b845a9c1e3a1bba5cfa150453b68ae5c58

20421208 as geometric shapes

Circle

Radius = n
Diameter 40842416
Circumference 128310234.06046
Area 1.3101249891387E+15

Sphere

Radius = n
Volume 3.5672446545598E+22
Surface area 5.2404999565546E+15
Circumference 128310234.06046

Square

Length = n
Perimeter 81684832
Area 417025736179264
Diagonal 28879949.313642

Cube

Length = n
Surface area 2502154417075584
Volume 8.5161692998699E+21
Space diagonal 35370569.807932

Equilateral Triangle

Length = n
Perimeter 61263624
Area 1.8057744078157E+14
Altitude 17685284.903966

Triangular Pyramid

Length = n
Surface area 1.8057744078157E+14
Volume 1.0036401769451E+21
Height 9626649.771214