20804639 (number)

20804639 is an odd 8-digits composite number following 20804638 and preceding 20804640. In scientific notation, it is written as 2.0804639 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 19017504 positive integers (up to 20804639) that are relatively prime to 20804639.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand six hundred thirty-nine

Notation

Scientific notation 2.0804639 × 10^7
Engineering notation 2.0804639 × 10^6

Prime Factorization of 20804639

Prime Factorization 19 × 67 × 59 × 277

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20804639
Product of the distinct prime numbers

The prime factorization of 20804639 is 19 × 67 × 59 × 277. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804639)

Multiplication

n×y
n×2 41609278
n×3 62413917
n×4 83218556
n×5 104023195

Division

n÷y
n÷2 10402319.5
n÷3 6934879.6666667
n÷3 5201159.75
n÷5 4160927.8

Exponentiation

ny
n2 432833003920321
n3 9.0049343938479E+21
n4 1.8734440928269E+29
n5 3.8976328037946E+36

Nth Root

y√n
2√n 4561.2102560614
3√n 275.0342172299
4√n 67.536732642773
5√n 29.082520096634

Divisors of 20804639

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20804638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20804639 can be divided by 16 positive divisors. The sum of these divisors (counting 20804639) is 1, the average is 0.0625.

Base conversion 20804639

Base System Value
2 Binary 1001111010111010000011111
3 Ternary 1110010222121012
4 Quaternary 1033113100133
5 Quinary 20311222024
6 Senary 2021525435
8 Octal 117272037
10 Decimal 20804639
12 Duodecimal 6b7387b
16 Hexadecimal 13d741f
20 Vigesimal 6a0bbj
36 Base36 cdwyn

Cryptographic Hash Functions

md5 fc579d68a704be5cbec5448d33f9a771
sha1 3f304d006f55fb294b1b295e79d2101294a4bb6b
sha256 239ccafa5e5d5d386d22722bca1e74beb4f07ab640cab2c37bb3c5c2c5879cf8
sha512 c20d70f52012352f47234e1db278d70626a52028e5f6abc4584e78dc48de9d67b47c283980fea2bbd535eba5015ad84a36c1dc5a0dd8f6517e513a3b136b78bc
ripemd-160 75af27be396ea7ad779810d885b358bb1d4c98d2

20804639 as geometric shapes

Circle

Radius = n
Diameter 41609278
Circumference 130719402.08598
Area 1.3597849853473E+15

Sphere

Radius = n
Volume 3.7719780983694E+22
Surface area 5.4391399413891E+15
Circumference 130719402.08598

Square

Length = n
Perimeter 83218556
Area 432833003920321
Diagonal 29422202.634076

Cube

Length = n
Surface area 2596998023521926
Volume 9.0049343938479E+21
Space diagonal 36034691.781129

Equilateral Triangle

Length = n
Perimeter 62413917
Area 1.8742218849566E+14
Altitude 18017345.890564

Triangular Pyramid

Length = n
Surface area 1.8742218849566E+14
Volume 1.0612416956716E+21
Height 9807400.8780254