20021906 (number)

20021906 is an even 8-digits composite number following 20021905 and preceding 20021907. In scientific notation, it is written as 2.0021906 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 9797908 positive integers (up to 20021906) that are relatively prime to 20021906.

Interesting facts

Basic properties

Name

Name twenty million twenty-one thousand nine hundred six

Notation

Scientific notation 2.0021906 × 10^7
Engineering notation 2.0021906 × 10^6

Prime Factorization of 20021906

Prime Factorization 2 × 47 × 212999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20021906
Product of the distinct prime numbers

The prime factorization of 20021906 is 2 × 47 × 212999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20021906)

Multiplication

n×y
n×2 40043812
n×3 60065718
n×4 80087624
n×5 100109530

Division

n÷y
n÷2 10010953
n÷3 6673968.6666667
n÷3 5005476.5
n÷5 4004381.2

Exponentiation

ny
n2 400876719872836
n3 8.0263160028823E+21
n4 1.60702144536E+29
n5 3.2175632318983E+36

Nth Root

y√n
2√n 4474.5844499797
3√n 271.54082888603
4√n 66.89233476251
5√n 28.860316107541

Divisors of 20021906

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 -20021905
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 20021906 can be divided by 8 positive divisors. The sum of these divisors (counting 20021906) is 1, the average is 0.125.

Base conversion 20021906

Base System Value
2 Binary 1001100011000001010010010
3 Ternary 1101200012220002
4 Quaternary 1030120022102
5 Quinary 20111200111
6 Senary 1553050002
8 Octal 114301222
10 Decimal 20021906
12 Duodecimal 6856902
16 Hexadecimal 1318292
20 Vigesimal 652ef6
36 Base36 bx502

Cryptographic Hash Functions

md5 a1a34852996c4931adebdff179cb9ca4
sha1 3c294111d0ac9eec9a1cf74b7789d758e818ab59
sha256 e3959526406bdb8f863461705a5609ad95b054c066fb95e647407322b626113d
sha512 6333ec17207f9848310ab4f2f5a89f4b40ada055e458063e06a86b10bf17a595787810110b393c7773da9d4a5ec3e4e5ac94019a251ff23e34948b0842fd5591
ripemd-160 9634786c8cb95a1d788e8b528f1dc50f7289f15c

20021906 as geometric shapes

Circle

Radius = n
Diameter 40043812
Circumference 125801345.60093
Area 1.2593913581477E+15

Sphere

Radius = n
Volume 3.3620553853393E+22
Surface area 5.0375654325907E+15
Circumference 125801345.60093

Square

Length = n
Perimeter 80087624
Area 400876719872836
Diagonal 28315251.009759

Cube

Length = n
Surface area 2405260319237016
Volume 8.0263160028823E+21
Space diagonal 34678958.456368

Equilateral Triangle

Length = n
Perimeter 60065718
Area 1.7358471159783E+14
Altitude 17339479.228184

Triangular Pyramid

Length = n
Surface area 1.7358471159783E+14
Volume 9.4591041226402E+20
Height 9438417.0032531