20806820 (number)

20806820 is an even 8-digits composite number following 20806819 and preceding 20806821. In scientific notation, it is written as 2.0806820 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 8284256 positive integers (up to 20806820) that are relatively prime to 20806820.

Interesting facts

Basic properties

Name

Name twenty million eight hundred six thousand eight hundred twenty

Notation

Scientific notation 2.0806820 × 10^7
Engineering notation 2.0806820 × 10^6

Prime Factorization of 20806820

Prime Factorization 2 × 2 × 5 × 227 × 4583

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10403410
Product of the distinct prime numbers

The prime factorization of 20806820 is 2 × 2 × 5 × 227 × 4583. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 8, 44, 27, 644, 698, 6030, 9055, 31091, 42609, 985025, 44142, 2608626, 8991061, 4695738, 23021388, 115173588, 840552397, 6588458693, 801361676

Basic calculations (n = 20806820)

Multiplication

n×y
n×2 41613640
n×3 62420460
n×4 83227280
n×5 104034100

Division

n÷y
n÷2 10403410
n÷3 6935606.6666667
n÷3 5201705
n÷5 4161364

Exponentiation

ny
n2 432923758512400
n3 9.007766717091E+21
n4 1.874229806845E+29
n5 3.8996762229659E+36

Nth Root

y√n
2√n 4561.4493310789
3√n 275.04382772539
4√n 67.538502582445
5√n 29.083129829076

Divisors of 20806820

1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 4583, 9166, 18332, 22915, 45830, 91660, 1040341, 2080682, 4161364, 5201705, 10403410, 20806820

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 -20806819
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 20806820 can be divided by 24 positive divisors. The sum of these divisors (counting 20806820) is 1, the average is 0.041666666666667.

Base conversion 20806820

Base System Value
2 Binary 1001111010111110010100100
3 Ternary 1110011002120222
4 Quaternary 1033113302210
5 Quinary 20311304240
6 Senary 2021543512
8 Octal 117276244
10 Decimal 20806820
12 Duodecimal 6b74b98
16 Hexadecimal 13d7ca4
20 Vigesimal 6a0h10
36 Base36 cdyn8

Cryptographic Hash Functions

md5 33189a5f40b9ef28a6256ca8b9fe3011
sha1 17698673f3229bb20f8b9067d0ee7df0fe1f8fcb
sha256 e038f436b58e4e9656e2ac2e7cd943755a88c5af842f7bf6d37bf13302d86639
sha512 b01c5f158e54179805dc18dfc0ddeb86152e939db276f598c92ee97298df470569466cbb242bc0e6ba526e0430c00f9c676ca4a0fa4450ab9ed2f67b2ed3ca81
ripemd-160 3b94010e4a99ae66b5636e68708a0307c52459de

20806820 as geometric shapes

Circle

Radius = n
Diameter 41613640
Circumference 130733105.71313
Area 1.360070099307E+15

Sphere

Radius = n
Volume 3.7731644991552E+22
Surface area 5.4402803972282E+15
Circumference 130733105.71313

Square

Length = n
Perimeter 83227280
Area 432923758512400
Diagonal 29425287.033856

Cube

Length = n
Surface area 2597542551074400
Volume 9.007766717091E+21
Space diagonal 36038469.38394

Equilateral Triangle

Length = n
Perimeter 62420460
Area 1.8746148638679E+14
Altitude 18019234.69197

Triangular Pyramid

Length = n
Surface area 1.8746148638679E+14
Volume 1.0615754881669E+21
Height 9808429.0112853