20091808 (number)

20091808 is an even 8-digits composite number following 20091807 and preceding 20091809. In scientific notation, it is written as 2.0091808 × 10^7. The sum of its digits is 28. It has a total of 8 prime factors and 36 positive divisors. There are 9130880 positive integers (up to 20091808) that are relatively prime to 20091808.

Interesting facts

Basic properties

Name

Name twenty million ninety-one thousand eight hundred eight

Notation

Scientific notation 2.0091808 × 10^7
Engineering notation 2.0091808 × 10^6

Prime Factorization of 20091808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 11 × 11 × 5189

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 114158
Product of the distinct prime numbers

The prime factorization of 20091808 is 2 × 2 × 2 × 2 × 2 × 11 × 11 × 5189. Since it has a total of 8 prime factors.

Most popular turbo-numbers

10, 4, 56, 99, 626, 348, 802, 4080, 38057, 23806, 703904, 563695, 9215810, 964299, 17495572, 90489320, 967751201, 941318384, 5484927291, 4101987558

Basic calculations (n = 20091808)

Multiplication

n×y
n×2 40183616
n×3 60275424
n×4 80367232
n×5 100459040

Division

n÷y
n÷2 10045904
n÷3 6697269.3333333
n÷3 5022952
n÷5 4018361.6

Exponentiation

ny
n2 403680748708864
n3 8.1106760963547E+21
n4 1.6295814687815E+29
n5 3.2741237991116E+36

Nth Root

y√n
2√n 4482.3886489237
3√n 271.85646983409
4√n 66.95064337946
5√n 28.880439889885

Divisors of 20091808

1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5189, 10378, 20756, 41512, 57079, 83024, 114158, 166048, 228316, 456632, 627869, 913264, 1255738, 1826528, 2511476, 5022952, 10045904, 20091808

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20091807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20091808 can be divided by 36 positive divisors. The sum of these divisors (counting 20091808) is 1, the average is 0.027777777777778.

Base conversion 20091808

Base System Value
2 Binary 1001100101001001110100000
3 Ternary 1101210202210001
4 Quaternary 1030221032200
5 Quinary 20120414213
6 Senary 1554345344
8 Octal 114511640
10 Decimal 20091808
12 Duodecimal 688b254
16 Hexadecimal 13293a0
20 Vigesimal 65b9a8
36 Base36 bymxs

Cryptographic Hash Functions

md5 1b45f4b6f64799737299d4f526ff1c73
sha1 22ce1ca3b8217d753f4938dd4c97714d83fcd5db
sha256 68898c17255f11ad2d06b65e3a101f022901220ac3791ef90120d2407ce0420b
sha512 956ff504e87ea6ea9d9cf6b40027c0523bbafa7c9074b672a07f7df34f4b7b47e2148465ec82894a17589ca179330da59f3832de2f5a44624535daa51ab55d46
ripemd-160 b8844393eabe4c41fe5f065c430734652e13d1d7

20091808 as geometric shapes

Circle

Radius = n
Diameter 40183616
Circumference 126240552.82027
Area 1.2682004745394E+15

Sphere

Radius = n
Volume 3.3973920586606E+22
Surface area 5.0728018981576E+15
Circumference 126240552.82027

Square

Length = n
Perimeter 80367232
Area 403680748708864
Diagonal 28414107.366196

Cube

Length = n
Surface area 2422084492253184
Volume 8.1106760963547E+21
Space diagonal 34800032.271919

Equilateral Triangle

Length = n
Perimeter 60275424
Area 1.747988917003E+14
Altitude 17400016.135959

Triangular Pyramid

Length = n
Surface area 1.747988917003E+14
Volume 9.5585234462335E+20
Height 9471369.1220654