20219821 (number)

20219821 is an odd 8-digits composite number following 20219820 and preceding 20219822. In scientific notation, it is written as 2.0219821 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19992544 positive integers (up to 20219821) that are relatively prime to 20219821.

Interesting facts

Basic properties

Name

Name twenty million two hundred nineteen thousand eight hundred twenty-one

Notation

Scientific notation 2.0219821 × 10^7
Engineering notation 2.0219821 × 10^6

Prime Factorization of 20219821

Prime Factorization 89 × 227189

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20219821
Product of the distinct prime numbers

The prime factorization of 20219821 is 89 × 227189. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20219821)

Multiplication

n×y
n×2 40439642
n×3 60659463
n×4 80879284
n×5 101099105

Division

n÷y
n÷2 10109910.5
n÷3 6739940.3333333
n÷3 5054955.25
n÷5 4043964.2

Exponentiation

ny
n2 408841161272041
n3 8.2666950983528E+21
n4 1.6715109515027E+29
n5 3.3797652238924E+36

Nth Root

y√n
2√n 4496.6455275016
3√n 272.43261695578
4√n 67.057031901968
5√n 28.917148237866

Divisors of 20219821

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 -20219820
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 20219821 can be divided by 4 positive divisors. The sum of these divisors (counting 20219821) is 1, the average is 0.25.

Base conversion 20219821

Base System Value
2 Binary 1001101001000011110101101
3 Ternary 1102001021101021
4 Quaternary 1031020132231
5 Quinary 20134013241
6 Senary 2001214141
8 Octal 115103655
10 Decimal 20219821
12 Duodecimal 6931351
16 Hexadecimal 13487ad
20 Vigesimal 6679b1
36 Base36 c1dpp

Cryptographic Hash Functions

md5 1c56df20c52fa089481f80b387fa48e0
sha1 47d88d01097fff754284d776ab6e1503afc95c20
sha256 3fd570db374a37d87b9b221c0810a7623d88929a1abeb3e7e3ba1c05c99c89c8
sha512 95395e876c0c194bac2129a29d72c291baa60a99ddabd3e01b08d9e3b156ca3451a62a1948c1e919eebd60da886a68825341e205f944c709ef22899d4eddeffa
ripemd-160 261ddb3d29dd2977e88bfc706a3b96be7adddbd1

20219821 as geometric shapes

Circle

Radius = n
Diameter 40439642
Circumference 127044882.221
Area 1.2844123887374E+15

Sphere

Radius = n
Volume 3.4627451453936E+22
Surface area 5.1376495549495E+15
Circumference 127044882.221

Square

Length = n
Perimeter 80879284
Area 408841161272041
Diagonal 28595145.086956

Cube

Length = n
Surface area 2453046967632246
Volume 8.2666950983528E+21
Space diagonal 35021757.291948

Equilateral Triangle

Length = n
Perimeter 60659463
Area 1.7703341588716E+14
Altitude 17510878.645974

Triangular Pyramid

Length = n
Surface area 1.7703341588716E+14
Volume 9.7423936034114E+20
Height 9531715.0289854