20642021 (number)

20642021 is an odd 8-digits composite number following 20642020 and preceding 20642022. In scientific notation, it is written as 2.0642021 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 20161932 positive integers (up to 20642021) that are relatively prime to 20642021.

Interesting facts

Basic properties

Name

Name twenty million six hundred forty-two thousand twenty-one

Notation

Scientific notation 2.0642021 × 10^7
Engineering notation 2.0642021 × 10^6

Prime Factorization of 20642021

Prime Factorization 43 × 480047

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20642021
Product of the distinct prime numbers

The prime factorization of 20642021 is 43 × 480047. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20642021)

Multiplication

n×y
n×2 41284042
n×3 61926063
n×4 82568084
n×5 103210105

Division

n÷y
n÷2 10321010.5
n÷3 6880673.6666667
n÷3 5160505.25
n÷5 4128404.2

Exponentiation

ny
n2 426093030964441
n3 8.7954212931216E+21
n4 1.8155527103646E+29
n5 3.7476677173954E+36

Nth Root

y√n
2√n 4543.3490951059
3√n 274.3157467916
4√n 67.404370000067
5√n 29.036912983649

Divisors of 20642021

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 -20642020
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 20642021 can be divided by 4 positive divisors. The sum of these divisors (counting 20642021) is 1, the average is 0.25.

Base conversion 20642021

Base System Value
2 Binary 1001110101111100011100101
3 Ternary 1102211201112022
4 Quaternary 1032233203211
5 Quinary 20241021041
6 Senary 2014232525
8 Octal 116574345
10 Decimal 20642021
12 Duodecimal 6ab5745
16 Hexadecimal 13af8e5
20 Vigesimal 690511
36 Base36 cafhh

Cryptographic Hash Functions

md5 1bb08d3db3bcbc4562eaac750748ae01
sha1 400f86f72010578c46bf676e72a3df46c1f8e125
sha256 f2e72bf62e2bdadd643c117c8940c94c5625d10c22717778cc070e7184a90b7e
sha512 44f71d671c3e110d99b0bd6dca0950a03656ef6c6afb980ca18ed22c3042291c56ece9c70a1b239a2888ba45685d5746559a6ed5b8a125594f529dd8fd42a148
ripemd-160 dff8bc78d63515f87afeeac8f201f350a8138bca

20642021 as geometric shapes

Circle

Radius = n
Diameter 41284042
Circumference 129697643.05769
Area 1.3386107358237E+15

Sphere

Radius = n
Volume 3.6842174559598E+22
Surface area 5.3544429432948E+15
Circumference 129697643.05769

Square

Length = n
Perimeter 82568084
Area 426093030964441
Diagonal 29192226.05299

Cube

Length = n
Surface area 2556558185786646
Volume 8.7954212931216E+21
Space diagonal 35753029.142904

Equilateral Triangle

Length = n
Perimeter 61926063
Area 1.8450369459536E+14
Altitude 17876514.571452

Triangular Pyramid

Length = n
Surface area 1.8450369459536E+14
Volume 1.0365503399598E+21
Height 9730742.0176634