20442821 (number)

20442821 is an odd 8-digits composite number following 20442820 and preceding 20442822. In scientific notation, it is written as 2.0442821 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 17522412 positive integers (up to 20442821) that are relatively prime to 20442821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0442821 × 10^7
Engineering notation 2.0442821 × 10^6

Prime Factorization of 20442821

Prime Factorization 7 × 2920403

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20442821
Product of the distinct prime numbers

The prime factorization of 20442821 is 7 × 2920403. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20442821)

Multiplication

n×y
n×2 40885642
n×3 61328463
n×4 81771284
n×5 102214105

Division

n÷y
n÷2 10221410.5
n÷3 6814273.6666667
n÷3 5110705.25
n÷5 4088564.2

Exponentiation

ny
n2 417908930438041
n3 8.5432374592463E+21
n4 1.7464787413987E+29
n5 3.5702952290718E+36

Nth Root

y√n
2√n 4521.3737956511
3√n 273.43049077652
4√n 67.241161468635
5√n 28.980652886256

Divisors of 20442821

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 -20442820
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 20442821 can be divided by 4 positive divisors. The sum of these divisors (counting 20442821) is 1, the average is 0.25.

Base conversion 20442821

Base System Value
2 Binary 1001101111110111011000101
3 Ternary 1102110121021112
4 Quaternary 1031332323011
5 Quinary 20213132241
6 Senary 2010054405
8 Octal 115767305
10 Decimal 20442821
12 Duodecimal 6a1a405
16 Hexadecimal 137eec5
20 Vigesimal 67f711
36 Base36 c65s5

Cryptographic Hash Functions

md5 877423b2d41879e916dbe230f274c372
sha1 b0027bf662f3e52bca5f0627b3d150e951ce060a
sha256 a6e051852e7e1eb12920b0c4a59093ce2ef192e3394f7121570fb1c56a8dbc90
sha512 3a3c0ff5b41da3e53a300009984a0e0f7151eff20584c71dab4bfac78e954c743d9a3ac46b159fba0917231707c947dcfbbc543119f60bac3560e09bc4f38086
ripemd-160 b0224d97e4e6ebbf983ee9115b0068480cfc27ae

20442821 as geometric shapes

Circle

Radius = n
Diameter 40885642
Circumference 128446032.5445
Area 1.3128996257337E+15

Sphere

Radius = n
Volume 3.5785829386455E+22
Surface area 5.2515985029349E+15
Circumference 128446032.5445

Square

Length = n
Perimeter 81771284
Area 417908930438041
Diagonal 28910514.711366

Cube

Length = n
Surface area 2507453582628246
Volume 8.5432374592463E+21
Space diagonal 35408004.622036

Equilateral Triangle

Length = n
Perimeter 61328463
Area 1.8095987511386E+14
Altitude 17704002.311018

Triangular Pyramid

Length = n
Surface area 1.8095987511386E+14
Volume 1.00683019012E+21
Height 9636838.2371218