20101808 (number)

20101808 is an even 8-digits composite number following 20101807 and preceding 20101809. In scientific notation, it is written as 2.0101808 × 10^7. The sum of its digits is 20. It has a total of 6 prime factors and 20 positive divisors. There are 9805440 positive integers (up to 20101808) that are relatively prime to 20101808.

Interesting facts

Basic properties

Name

Name twenty million one hundred one thousand eight hundred eight

Notation

Scientific notation 2.0101808 × 10^7
Engineering notation 2.0101808 × 10^6

Prime Factorization of 20101808

Prime Factorization 2 × 2 × 2 × 2 × 41 × 30643

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2512726
Product of the distinct prime numbers

The prime factorization of 20101808 is 2 × 2 × 2 × 2 × 41 × 30643. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 5, 9, 34, 525, 454, 7717, 1922, 68031, 62894, 952173, 131230, 9256143, 250445, 4752467, 26300882, 893558435, 482703582, 1714841111, 3965911268

Basic calculations (n = 20101808)

Multiplication

n×y
n×2 40203616
n×3 60305424
n×4 80407232
n×5 100509040

Division

n÷y
n÷2 10050904
n÷3 6700602.6666667
n÷3 5025452
n÷5 4020361.6

Exponentiation

ny
n2 404082684868864
n3 8.1227925473584E+21
n4 1.6328281621083E+29
n5 3.2822798211694E+36

Nth Root

y√n
2√n 4483.5039868389
3√n 271.90156472715
4√n 66.958972414747
5√n 28.883314165004

Divisors of 20101808

1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30643, 61286, 122572, 245144, 490288, 1256363, 2512726, 5025452, 10050904, 20101808

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20101807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20101808 can be divided by 20 positive divisors. The sum of these divisors (counting 20101808) is 1, the average is 0.05.

Base conversion 20101808

Base System Value
2 Binary 1001100101011101010110000
3 Ternary 1101211021111102
4 Quaternary 1030223222300
5 Quinary 20121224213
6 Senary 1554503532
8 Octal 114535260
10 Decimal 20101808
12 Duodecimal 6894ba8
16 Hexadecimal 132bab0
20 Vigesimal 65cea8
36 Base36 byunk

Cryptographic Hash Functions

md5 df1baaef883b8d0c1d828d4d7bf5ebb6
sha1 6fe73ed1a26772349a46077e95219c0cf64de5a7
sha256 3e04fd7e0d50569cbef4d43bd48b405f08b3d75d2f0ffa01cf08adbea892c2fe
sha512 2674801d4d52e6e4a81ddfd63ba6fe9312ce3e46da42b515bd58e814ec000a3e2dd1cee36d118bfcaef91cfc4c47cbcde1757ea3593296967976a234333f4a5b
ripemd-160 86cbfbb103c99511c783cd04fb5427927ff602d9

20101808 as geometric shapes

Circle

Radius = n
Diameter 40203616
Circumference 126303384.67335
Area 1.2694631942269E+15

Sphere

Radius = n
Volume 3.4024673857887E+22
Surface area 5.0778527769074E+15
Circumference 126303384.67335

Square

Length = n
Perimeter 80407232
Area 404082684868864
Diagonal 28428249.50182

Cube

Length = n
Surface area 2424496109213184
Volume 8.1227925473584E+21
Space diagonal 34817352.779995

Equilateral Triangle

Length = n
Perimeter 60305424
Area 1.7497293516293E+14
Altitude 17408676.389997

Triangular Pyramid

Length = n
Surface area 1.7497293516293E+14
Volume 9.5728028206811E+20
Height 9476083.1672733