20421854 (number)

20421854 is an even 8-digits composite number following 20421853 and preceding 20421855. In scientific notation, it is written as 2.0421854 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 32 positive divisors. There are 9434880 positive integers (up to 20421854) that are relatively prime to 20421854.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421854 × 10^7
Engineering notation 2.0421854 × 10^6

Prime Factorization of 20421854

Prime Factorization 2 × 41 × 127 × 37 × 53

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20421854
Product of the distinct prime numbers

The prime factorization of 20421854 is 2 × 41 × 127 × 37 × 53. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421854)

Multiplication

n×y
n×2 40843708
n×3 61265562
n×4 81687416
n×5 102109270

Division

n÷y
n÷2 10210927
n÷3 6807284.6666667
n÷3 5105463.5
n÷5 4084370.8

Exponentiation

ny
n2 417052120797316
n3 8.5169775213132E+21
n4 1.7393247146154E+29
n5 3.5520235380467E+36

Nth Root

y√n
2√n 4519.054547137
3√n 273.33697827118
4√n 67.223913506557
5√n 28.974705695408

Divisors of 20421854

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20421853
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421854 can be divided by 32 positive divisors. The sum of these divisors (counting 20421854) is 1, the average is 0.03125.

Base conversion 20421854

Base System Value
2 Binary 1001101111001110011011110
3 Ternary 1102102112111222
4 Quaternary 1031321303132
5 Quinary 20211444404
6 Senary 2005413342
8 Octal 115716336
10 Decimal 20421854
12 Duodecimal 6a0a252
16 Hexadecimal 1379cde
20 Vigesimal 67cece
36 Base36 c5plq

Cryptographic Hash Functions

md5 49ee7a366c1d4f77cb5956d17fb8989a
sha1 de4565f03442c9bda907cf24b5c279635499f7f3
sha256 4963c58184c391e5cbbf405cb02ec40f47d3c3a20a342c44a40e2e3d59c162c5
sha512 9fd5b1d0ae5acd1f7c2f933020caf96281367d910019c2c44565fbcd2b3b577c48182546765307a88d3d1c5b79f6190cd9f33c0d2a9bcc3b3eaf9bcacaade082
ripemd-160 d2d7d24e7525dfcff619700967698727d6b52536

20421854 as geometric shapes

Circle

Radius = n
Diameter 40843708
Circumference 128314292.99817
Area 1.3102078788609E+15

Sphere

Radius = n
Volume 3.5675832015662E+22
Surface area 5.2408315154436E+15
Circumference 128314292.99817

Square

Length = n
Perimeter 81687416
Area 417052120797316
Diagonal 28880862.895603

Cube

Length = n
Surface area 2502312724783896
Volume 8.5169775213132E+21
Space diagonal 35371688.712754

Equilateral Triangle

Length = n
Perimeter 61265562
Area 1.8058886565633E+14
Altitude 17685844.356377

Triangular Pyramid

Length = n
Surface area 1.8058886565633E+14
Volume 1.0037354267557E+21
Height 9626954.2985344