20403821 (number)

20403821 is an odd 8-digits composite number following 20403820 and preceding 20403822. In scientific notation, it is written as 2.0403821 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20254752 positive integers (up to 20403821) that are relatively prime to 20403821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0403821 × 10^7
Engineering notation 2.0403821 × 10^6

Prime Factorization of 20403821

Prime Factorization 137 × 148933

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20403821
Product of the distinct prime numbers

The prime factorization of 20403821 is 137 × 148933. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20403821)

Multiplication

n×y
n×2 40807642
n×3 61211463
n×4 81615284
n×5 102019105

Division

n÷y
n÷2 10201910.5
n÷3 6801273.6666667
n÷3 5100955.25
n÷5 4080764.2

Exponentiation

ny
n2 416315911400041
n3 8.4944353356583E+21
n4 1.7331893808485E+29
n5 3.5363685885933E+36

Nth Root

y√n
2√n 4517.058888259
3√n 273.25650015076
4√n 67.209068497183
5√n 28.969586811314

Divisors of 20403821

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 -20403820
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 20403821 can be divided by 4 positive divisors. The sum of these divisors (counting 20403821) is 1, the average is 0.25.

Base conversion 20403821

Base System Value
2 Binary 1001101110101011001101101
3 Ternary 1102101121210002
4 Quaternary 1031311121231
5 Quinary 20210410241
6 Senary 2005154045
8 Octal 115653155
10 Decimal 20403821
12 Duodecimal 69bb925
16 Hexadecimal 137566d
20 Vigesimal 67a9b1
36 Base36 c5bot

Cryptographic Hash Functions

md5 427cbe277229f8dc9e56cf09f5bb6db3
sha1 06c968775183a227e89078a584069a605a3ee45a
sha256 23bfcacd7b4e9daf2c4e3e9387d3c456750288471c5dc58b5f578e808be326ab
sha512 2dc992710e6d70135842e185b5c3e0303e53c6e7feec6b0f985922645ea4a70b011204e6392250d497b32a611554769699d6d678a030a38e7afeaafaa1f410d3
ripemd-160 ce31278041b40e91c732a4111b98a8d9b0df4a50

20403821 as geometric shapes

Circle

Radius = n
Diameter 40807642
Circumference 128200988.31752
Area 1.3078950088269E+15

Sphere

Radius = n
Volume 3.5581407529197E+22
Surface area 5.2315800353076E+15
Circumference 128200988.31752

Square

Length = n
Perimeter 81615284
Area 416315911400041
Diagonal 28855360.382433

Cube

Length = n
Surface area 2497895468400246
Volume 8.4944353356583E+21
Space diagonal 35340454.640541

Equilateral Triangle

Length = n
Perimeter 61211463
Area 1.8027007763605E+14
Altitude 17670227.32027

Triangular Pyramid

Length = n
Surface area 1.8027007763605E+14
Volume 1.0010788046991E+21
Height 9618453.460811