20806816 (number)

20806816 is an even 8-digits composite number following 20806815 and preceding 20806817. In scientific notation, it is written as 2.0806816 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 12 positive divisors. There are 10403392 positive integers (up to 20806816) that are relatively prime to 20806816.

Interesting facts

Basic properties

Name

Name twenty million eight hundred six thousand eight hundred sixteen

Notation

Scientific notation 2.0806816 × 10^7
Engineering notation 2.0806816 × 10^6

Prime Factorization of 20806816

Prime Factorization 2 × 2 × 2 × 2 × 2 × 650213

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1300426
Product of the distinct prime numbers

The prime factorization of 20806816 is 2 × 2 × 2 × 2 × 2 × 650213. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 2, 76, 59, 195, 69, 2962, 1678, 80073, 85909, 857054, 327051, 7615376, 4835813, 71318751, 13602007, 592348573, 288101994, 2850528428, 4014134299

Basic calculations (n = 20806816)

Multiplication

n×y
n×2 41613632
n×3 62420448
n×4 83227264
n×5 104034080

Division

n÷y
n÷2 10403408
n÷3 6935605.3333333
n÷3 5201704
n÷5 4161363.2

Exponentiation

ny
n2 432923592057856
n3 9.0077615220069E+21
n4 1.8742283656028E+29
n5 3.8996724745078E+36

Nth Root

y√n
2√n 4561.4488926217
3√n 275.04381010016
4√n 67.538499336465
5√n 29.083128710861

Divisors of 20806816

1, 2, 4, 8, 16, 32, 650213, 1300426, 2600852, 5201704, 10403408, 20806816

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20806815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20806816 can be divided by 12 positive divisors. The sum of these divisors (counting 20806816) is 1, the average is 0.083333333333333.

Base conversion 20806816

Base System Value
2 Binary 1001111010111110010100000
3 Ternary 1110011002120211
4 Quaternary 1033113302200
5 Quinary 20311304231
6 Senary 2021543504
8 Octal 117276240
10 Decimal 20806816
12 Duodecimal 6b74b94
16 Hexadecimal 13d7ca0
20 Vigesimal 6a0h0g
36 Base36 cdyn4

Cryptographic Hash Functions

md5 52f72a13aab5fd393c55d615f2957abd
sha1 ca5dd980166d70fc4012d2aa409502d2d07c45ea
sha256 97807b5dd80b4913df5f44a9a05aaf1cf99c22c7a9b85ba22a16192a3231b5d0
sha512 69d8241804a0fc692e9b2c81e89d1cedbe99d4bee48edef474b126568b148b84f81b2eb1047fbc3255ae57856e9d3d148209373bdfc43345f811300cb2e44611
ripemd-160 97a05efbaf63207b5e571657ff66c831dcdb4447

20806816 as geometric shapes

Circle

Radius = n
Diameter 41613632
Circumference 130733080.58039
Area 1.3600695763747E+15

Sphere

Radius = n
Volume 3.7731623230434E+22
Surface area 5.4402783054987E+15
Circumference 130733080.58039

Square

Length = n
Perimeter 83227264
Area 432923592057856
Diagonal 29425281.377002

Cube

Length = n
Surface area 2597541552347136
Volume 9.0077615220069E+21
Space diagonal 36038462.455737

Equilateral Triangle

Length = n
Perimeter 62420448
Area 1.8746141430986E+14
Altitude 18019231.227869

Triangular Pyramid

Length = n
Surface area 1.8746141430986E+14
Volume 1.0615748759204E+21
Height 9808427.1256672