20051821 (number)

20051821 is an odd 8-digits composite number following 20051820 and preceding 20051822. In scientific notation, it is written as 2.0051821 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 18996444 positive integers (up to 20051821) that are relatively prime to 20051821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0051821 × 10^7
Engineering notation 2.0051821 × 10^6

Prime Factorization of 20051821

Prime Factorization 19 × 1055359

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20051821
Product of the distinct prime numbers

The prime factorization of 20051821 is 19 × 1055359. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20051821)

Multiplication

n×y
n×2 40103642
n×3 60155463
n×4 80207284
n×5 100259105

Division

n÷y
n÷2 10025910.5
n÷3 6683940.3333333
n÷3 5012955.25
n÷5 4010364.2

Exponentiation

ny
n2 402075525416041
n3 8.0623464641234E+21
n4 1.6166472813859E+29
n5 3.2416721906486E+36

Nth Root

y√n
2√n 4477.9259708039
3√n 271.67599919429
4√n 66.917306960187
5√n 28.86893507556

Divisors of 20051821

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 -20051820
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 20051821 can be divided by 4 positive divisors. The sum of these divisors (counting 20051821) is 1, the average is 0.25.

Base conversion 20051821

Base System Value
2 Binary 1001100011111011101101101
3 Ternary 1101201201221001
4 Quaternary 1030133131231
5 Quinary 20113124241
6 Senary 1553440301
8 Octal 114373555
10 Decimal 20051821
12 Duodecimal 6870091
16 Hexadecimal 131f76d
20 Vigesimal 6569b1
36 Base36 bxs31

Cryptographic Hash Functions

md5 82a7c9b823487547b779010ce6a632d2
sha1 091418cbcbb43eee87adf58b212070e8ee40e3ea
sha256 8080c6a861366c047ed4cb0f2987c625451e02d83f0ba97dd8308ab1b90e3ad8
sha512 915aea607d87946725a0d6fe081d228e9d35dcfb91c1becf1f4eec7c9dca1b8a009b498ca7e34cfc9845a7e84a927e0f84dd18d58eece9b7562aa0c5c0c9be98
ripemd-160 ec6d3909fadc40d610f03a8a0cba643c2b5aaf21

20051821 as geometric shapes

Circle

Radius = n
Diameter 40103642
Circumference 125989307.0894
Area 1.2631575168353E+15

Sphere

Radius = n
Volume 3.3771477896514E+22
Surface area 5.0526300673412E+15
Circumference 125989307.0894

Square

Length = n
Perimeter 80207284
Area 402075525416041
Diagonal 28357557.208478

Cube

Length = n
Surface area 2412453152496246
Volume 8.0623464641234E+21
Space diagonal 34730772.756277

Equilateral Triangle

Length = n
Perimeter 60155463
Area 1.7410380962513E+14
Altitude 17365386.378138

Triangular Pyramid

Length = n
Surface area 1.7410380962513E+14
Volume 9.5015664284284E+20
Height 9452519.0694925