20421853 (number)

20421853 is an odd 8-digits composite number following 20421852 and preceding 20421854. In scientific notation, it is written as 2.0421853 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20412700 positive integers (up to 20421853) that are relatively prime to 20421853.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand eight hundred fifty-three

Notation

Scientific notation 2.0421853 × 10^7
Engineering notation 2.0421853 × 10^6

Prime Factorization of 20421853

Prime Factorization 3851 × 5303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20421853
Product of the distinct prime numbers

The prime factorization of 20421853 is 3851 × 5303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421853)

Multiplication

n×y
n×2 40843706
n×3 61265559
n×4 81687412
n×5 102109265

Division

n÷y
n÷2 10210926.5
n÷3 6807284.3333333
n÷3 5105463.25
n÷5 4084370.6

Exponentiation

ny
n2 417052079953609
n3 8.5169762701569E+21
n4 1.7393243739363E+29
n5 3.5520226683844E+36

Nth Root

y√n
2√n 4519.0544364944
3√n 273.33697380967
4√n 67.223912683616
5√n 28.974705411647

Divisors of 20421853

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 -20421852
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 20421853 can be divided by 4 positive divisors. The sum of these divisors (counting 20421853) is 1, the average is 0.25.

Base conversion 20421853

Base System Value
2 Binary 1001101111001110011011101
3 Ternary 1102102112111221
4 Quaternary 1031321303131
5 Quinary 20211444403
6 Senary 2005413341
8 Octal 115716335
10 Decimal 20421853
12 Duodecimal 6a0a251
16 Hexadecimal 1379cdd
20 Vigesimal 67cecd
36 Base36 c5plp

Cryptographic Hash Functions

md5 547a0aa8742a8723f4268e9d4a540500
sha1 35b7a1a9d44517b94e65d92c5214a1ec1007f933
sha256 23e72e2f63559d6c48c7698967ceae37da113116061ff955fc335f939d17cb20
sha512 3655e72e4230933cb875801df6c32820f7046ad246115fb9e9547efb069490ef054767f49f6cf2be3743e3518b502785a03a4647e7ff6c188c089009eb058a7e
ripemd-160 5f85674febf98d6c91b65ceda0721306170d6c25

20421853 as geometric shapes

Circle

Radius = n
Diameter 40843706
Circumference 128314286.71498
Area 1.3102077505466E+15

Sphere

Radius = n
Volume 3.5675826774831E+22
Surface area 5.2408310021864E+15
Circumference 128314286.71498

Square

Length = n
Perimeter 81687412
Area 417052079953609
Diagonal 28880861.48139

Cube

Length = n
Surface area 2502312479721654
Volume 8.5169762701569E+21
Space diagonal 35371686.980703

Equilateral Triangle

Length = n
Perimeter 61265559
Area 1.8058884797048E+14
Altitude 17685843.490351

Triangular Pyramid

Length = n
Surface area 1.8058884797048E+14
Volume 1.0037352793055E+21
Height 9626953.8271299