20808894 (number)

20808894 is an even 8-digits composite number following 20808893 and preceding 20808895. In scientific notation, it is written as 2.0808894 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 6767040 positive integers (up to 20808894) that are relatively prime to 20808894.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand eight hundred ninety-four

Notation

Scientific notation 2.0808894 × 10^7
Engineering notation 2.0808894 × 10^6

Prime Factorization of 20808894

Prime Factorization 2 × 3 × 41 × 84589

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20808894
Product of the distinct prime numbers

The prime factorization of 20808894 is 2 × 3 × 41 × 84589. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 65, 12, 958, 963, 3805, 6426, 29100, 33843, 421128, 98452, 1301336, 2527374, 13325014, 36557519, 707004653, 705188753, 1440968653, 5581303335

Basic calculations (n = 20808894)

Multiplication

n×y
n×2 41617788
n×3 62426682
n×4 83235576
n×5 104044470

Division

n÷y
n÷2 10404447
n÷3 6936298
n÷3 5202223.5
n÷5 4161778.8

Exponentiation

ny
n2 433010069503236
n3 9.0104606372255E+21
n4 1.874977202912E+29
n5 3.9016201867812E+36

Nth Root

y√n
2√n 4561.6766654378
3√n 275.0529661064
4√n 67.540185559693
5√n 29.083709600578

Divisors of 20808894

1, 2, 3, 6, 41, 82, 123, 246, 84589, 169178, 253767, 507534, 3468149, 6936298, 10404447, 20808894

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 -20808893
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 20808894 can be divided by 16 positive divisors. The sum of these divisors (counting 20808894) is 1, the average is 0.0625.

Base conversion 20808894

Base System Value
2 Binary 1001111011000010010111110
3 Ternary 1110011012102210
4 Quaternary 1033120102332
5 Quinary 20311341034
6 Senary 2022001250
8 Octal 117302276
10 Decimal 20808894
12 Duodecimal 6b76226
16 Hexadecimal 13d84be
20 Vigesimal 6a124e
36 Base36 ce08u

Cryptographic Hash Functions

md5 a7edf886aa50b6daadbd4e5a6902832f
sha1 99cc9139ad20ae2d8f66184c07b19499efd5f19b
sha256 f641a66a2b3f6d19bad580ff14f6bf2a5bb67f8ac4f918727206295a2e26392a
sha512 c2ebd7c3694ab37efc0f9761eec6bc7681a62a46ff74e8773739c90ca64ea4e4b086565457e9767f2ead808f1172e6b45c71233c93ee892ff0086f91bf560867
ripemd-160 6b95b3a2c0f4619ace88b6a10f5f20456b5ed196

20808894 as geometric shapes

Circle

Radius = n
Diameter 41617788
Circumference 130746137.03946
Area 1.3603412532818E+15

Sphere

Radius = n
Volume 3.7742929257823E+22
Surface area 5.4413650131271E+15
Circumference 130746137.03946

Square

Length = n
Perimeter 83235576
Area 433010069503236
Diagonal 29428220.112784

Cube

Length = n
Surface area 2598060417019416
Volume 9.0104606372255E+21
Space diagonal 36042061.657315

Equilateral Triangle

Length = n
Perimeter 62426682
Area 1.8749886014213E+14
Altitude 18021030.828658

Triangular Pyramid

Length = n
Surface area 1.8749886014213E+14
Volume 1.0618929696994E+21
Height 9809406.7042614