20201808 (number)

20201808 is an even 8-digits composite number following 20201807 and preceding 20201809. In scientific notation, it is written as 2.0201808 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 40 positive divisors. There are 6121600 positive integers (up to 20201808) that are relatively prime to 20201808.

Interesting facts

Basic properties

Name

Name twenty million two hundred one thousand eight hundred eight

Notation

Scientific notation 2.0201808 × 10^7
Engineering notation 2.0201808 × 10^6

Prime Factorization of 20201808

Prime Factorization 2 × 2 × 2 × 2 × 3 × 11 × 38261

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2525226
Product of the distinct prime numbers

The prime factorization of 20201808 is 2 × 2 × 2 × 2 × 3 × 11 × 38261. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 10, 61, 23, 645, 270, 7430, 5560, 59292, 48116, 811238, 112439, 883470, 4625082, 29677945, 43777057, 960268917, 839150184, 8862389013, 5924005381

Basic calculations (n = 20201808)

Multiplication

n×y
n×2 40403616
n×3 60605424
n×4 80807232
n×5 101009040

Division

n÷y
n÷2 10100904
n÷3 6733936
n÷3 5050452
n÷5 4040361.6

Exponentiation

ny
n2 408113046468864
n3 8.2446214070591E+21
n4 1.665562586981E+29
n5 3.3647375594173E+36

Nth Root

y√n
2√n 4494.6421437084
3√n 272.35169328034
4√n 67.042092327943
5√n 28.911994183295

Divisors of 20201808

1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 38261, 76522, 114783, 153044, 229566, 306088, 420871, 459132, 612176, 841742, 918264, 1262613, 1683484, 1836528, 2525226, 3366968, 5050452, 6733936, 10100904, 20201808

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20201807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20201808 can be divided by 40 positive divisors. The sum of these divisors (counting 20201808) is 1, the average is 0.025.

Base conversion 20201808

Base System Value
2 Binary 1001101000100000101010000
3 Ternary 1102000100200010
4 Quaternary 1031010011100
5 Quinary 20132424213
6 Senary 2000554520
8 Octal 115040520
10 Decimal 20201808
12 Duodecimal 6922a40
16 Hexadecimal 1344150
20 Vigesimal 6654a8
36 Base36 c0ztc

Cryptographic Hash Functions

md5 59538f2695b2cfd8bde92c5f83441a58
sha1 91d26dc15f085159fa231beef10ffb0e4c1a17b7
sha256 8ffcfdb4cf69e111d4e00361a30cad4b8b16249dce9682450c83680c343ab63f
sha512 63e66cfc1e19240fa1d37448946e34c48583f1a5a43bfa3fa47392eb7750800455529a153cef3bb232f0e138909534029485791a9ef2ad1007e3da0b6648a102
ripemd-160 459ae571561deaea2b3d84ce61c8997aa27c4dfc

20201808 as geometric shapes

Circle

Radius = n
Diameter 40403616
Circumference 126931703.20406
Area 1.2821249486207E+15

Sphere

Radius = n
Volume 3.4534989392061E+22
Surface area 5.1284997944829E+15
Circumference 126931703.20406

Square

Length = n
Perimeter 80807232
Area 408113046468864
Diagonal 28569670.858057

Cube

Length = n
Surface area 2448678278813184
Volume 8.2446214070591E+21
Space diagonal 34990557.860751

Equilateral Triangle

Length = n
Perimeter 60605424
Area 1.7671813292895E+14
Altitude 17495278.930376

Triangular Pyramid

Length = n
Surface area 1.7671813292895E+14
Volume 9.7163795087454E+20
Height 9523223.6193524