20320821 (number)

20320821 is an odd 8-digits composite number following 20320820 and preceding 20320822. In scientific notation, it is written as 2.0320821 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13405824 positive integers (up to 20320821) that are relatively prime to 20320821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0320821 × 10^7
Engineering notation 2.0320821 × 10^6

Prime Factorization of 20320821

Prime Factorization 27 × 7759 × 97

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20320821
Product of the distinct prime numbers

The prime factorization of 20320821 is 27 × 7759 × 97. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20320821)

Multiplication

n×y
n×2 40641642
n×3 60962463
n×4 81283284
n×5 101604105

Division

n÷y
n÷2 10160410.5
n÷3 6773607
n÷3 5080205.25
n÷5 4064164.2

Exponentiation

ny
n2 412935766114041
n3 8.3911937877013E+21
n4 1.7051594693619E+29
n5 3.4650240353358E+36

Nth Root

y√n
2√n 4507.8621318758
3√n 272.88547303354
4√n 67.140614622416
5√n 28.945979490751

Divisors of 20320821

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20320820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20320821 can be divided by 8 positive divisors. The sum of these divisors (counting 20320821) is 1, the average is 0.125.

Base conversion 20320821

Base System Value
2 Binary 1001101100001001000110101
3 Ternary 1102020101221000
4 Quaternary 1031201020311
5 Quinary 20200231241
6 Senary 2003313513
8 Octal 115411065
10 Decimal 20320821
12 Duodecimal 697b899
16 Hexadecimal 1361235
20 Vigesimal 670211
36 Base36 c3jn9

Cryptographic Hash Functions

md5 63758c69758f85053412fe784b2ba144
sha1 9c171528b8abda420190dc2bb20aec73cdbc1905
sha256 1a24c4a8ed6c1c0baafedbdc671a4596b54fb1f8ac7bc2c7a27a3f7fe567ddf5
sha512 5292666b8eb212e5779f0c90d87934bf8c2dcf49df3e5312fae9b1d7132a06088e518945467692263c4b2eea8da9fa898c05dc186726ffdfa4dff8e26ee99b26
ripemd-160 30c4612e7465077450f475d85e16ee7b39a4d634

20320821 as geometric shapes

Circle

Radius = n
Diameter 40641642
Circumference 127679483.93703
Area 1.2972759692283E+15

Sphere

Radius = n
Volume 3.5148950344388E+22
Surface area 5.1891038769134E+15
Circumference 127679483.93703

Square

Length = n
Perimeter 81283284
Area 412935766114041
Diagonal 28737980.656756

Cube

Length = n
Surface area 2477614596684246
Volume 8.3911937877013E+21
Space diagonal 35196694.423513

Equilateral Triangle

Length = n
Perimeter 60962463
Area 1.7880643179297E+14
Altitude 17598347.211756

Triangular Pyramid

Length = n
Surface area 1.7880643179297E+14
Volume 9.88911671589E+20
Height 9579326.8855853