20809820 (number)

20809820 is an even 8-digits composite number following 20809819 and preceding 20809821. In scientific notation, it is written as 2.0809820 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 8036672 positive integers (up to 20809820) that are relatively prime to 20809820.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand eight hundred twenty

Notation

Scientific notation 2.0809820 × 10^7
Engineering notation 2.0809820 × 10^6

Prime Factorization of 20809820

Prime Factorization 2 × 2 × 5 × 29 × 35879

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10404910
Product of the distinct prime numbers

The prime factorization of 20809820 is 2 × 2 × 5 × 29 × 35879. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 3, 51, 88, 994, 388, 4293, 7024, 81616, 74968, 975290, 98328, 910524, 7531308, 48247731, 77887213, 527662598, 570356416, 9607932861, 7644057788

Basic calculations (n = 20809820)

Multiplication

n×y
n×2 41619640
n×3 62429460
n×4 83239280
n×5 104049100

Division

n÷y
n÷2 10404910
n÷3 6936606.6666667
n÷3 5202455
n÷5 4161964

Exponentiation

ny
n2 433048608432400
n3 9.0116635927287E+21
n4 1.8753109726524E+29
n5 3.9024883784921E+36

Nth Root

y√n
2√n 4561.7781620767
3√n 275.05704601679
4√n 67.540936935141
5√n 29.083968442165

Divisors of 20809820

1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35879, 71758, 143516, 179395, 358790, 717580, 1040491, 2080982, 4161964, 5202455, 10404910, 20809820

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809819
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809820 can be divided by 24 positive divisors. The sum of these divisors (counting 20809820) is 1, the average is 0.041666666666667.

Base conversion 20809820

Base System Value
2 Binary 1001111011000100001011100
3 Ternary 1110011020201002
4 Quaternary 1033120201130
5 Quinary 20311403240
6 Senary 2022005432
8 Octal 117304134
10 Decimal 20809820
12 Duodecimal 6b76878
16 Hexadecimal 13d885c
20 Vigesimal 6a14b0
36 Base36 ce0yk

Cryptographic Hash Functions

md5 d69192aa396720bc9170b8980978d105
sha1 522b8b73b8db7089a60741ec1bf6399ca6ca222c
sha256 4ebba9ed5e2a728b1206707aa907ade6a762b82d817cb1556f59746b2087e9f6
sha512 3d9d0e4073aff92eeb6ac8b6c2e6ecbcae3bf3c938674a0e65aa9cc4ebf2b86b692a6699337c084aa2ed78cfc0618f1a913fc050f59cc6fe63ec0daabe13c45f
ripemd-160 80e0e22cd01c48d8e1ae1cbf7af805b3602c349f

20809820 as geometric shapes

Circle

Radius = n
Diameter 41619640
Circumference 130751955.26905
Area 1.3604623268985E+15

Sphere

Radius = n
Volume 3.7747968186052E+22
Surface area 5.441849307594E+15
Circumference 130751955.26905

Square

Length = n
Perimeter 83239280
Area 433048608432400
Diagonal 29429529.674543

Cube

Length = n
Surface area 2598291650594400
Volume 9.0116635927287E+21
Space diagonal 36043665.536363

Equilateral Triangle

Length = n
Perimeter 62429460
Area 1.8751554798798E+14
Altitude 18021832.768181

Triangular Pyramid

Length = n
Surface area 1.8751554798798E+14
Volume 1.0620347393651E+21
Height 9809843.2248476