20018845 (number)

20018845 is an odd 8-digits composite number following 20018844 and preceding 20018846. In scientific notation, it is written as 2.0018845 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 11975040 positive integers (up to 20018845) that are relatively prime to 20018845.

Interesting facts

Basic properties

Name

Name twenty million eighteen thousand eight hundred forty-five

Notation

Scientific notation 2.0018845 × 10^7
Engineering notation 2.0018845 × 10^6

Prime Factorization of 20018845

Prime Factorization 7 × 5 × 11 × 319 × 163

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20018845
Product of the distinct prime numbers

The prime factorization of 20018845 is 7 × 5 × 11 × 319 × 163. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 4, 51, 47, 403, 220, 7643, 7600, 36876, 50082, 433656, 704036, 8653660, 3515091, 6823372, 96601855, 405644820, 363544163, 9933702373, 189809048

Basic calculations (n = 20018845)

Multiplication

n×y
n×2 40037690
n×3 60056535
n×4 80075380
n×5 100094225

Division

n÷y
n÷2 10009422.5
n÷3 6672948.3333333
n÷3 5004711.25
n÷5 4003769

Exponentiation

ny
n2 400754155134025
n3 8.022635314734E+21
n4 1.6060389285719E+29
n5 3.2151044375046E+36

Nth Root

y√n
2√n 4474.2423939702
3√n 271.52699022953
4√n 66.88977794828
5√n 28.85943360584

Divisors of 20018845

1, 5, 7, 11, 35, 55, 77, 163, 319, 385, 815, 1141, 1595, 1793, 2233, 3509, 5705, 8965, 11165, 12551, 17545, 24563, 51997, 62755, 122815, 259985, 363979, 571967, 1819895, 2859835, 4003769, 20018845

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20018844
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20018845 can be divided by 32 positive divisors. The sum of these divisors (counting 20018845) is 1, the average is 0.03125.

Base conversion 20018845

Base System Value
2 Binary 1001100010111011010011101
3 Ternary 1101200001200201
4 Quaternary 1030113122131
5 Quinary 20111100340
6 Senary 1553023501
8 Octal 114273235
10 Decimal 20018845
12 Duodecimal 6854b91
16 Hexadecimal 131769d
20 Vigesimal 652725
36 Base36 bx2n1

Cryptographic Hash Functions

md5 121b7ceed92a9a7df2c1efbe4b7d6d32
sha1 1036bf2074b48c8d5c6cef4b105242852ec95e72
sha256 e2aefb5d14f3876705b5aeb066670357ce5f69f6e27cac7e7e2652d557b52ec1
sha512 a9eaf4c4daaee65c2692a624673d4819a1c4a21701251c7f0975c9cc66dec2305f452c0f47ca7438b2d1131359bae9ed350ce25f6de185e07e28c2e41c317271
ripemd-160 fdce8f0736f7ee825ac1fe86c06212678a3426d0

20018845 as geometric shapes

Circle

Radius = n
Diameter 40037690
Circumference 125782112.77071
Area 1.2590063096646E+15

Sphere

Radius = n
Volume 3.3605136222931E+22
Surface area 5.0360252386585E+15
Circumference 125782112.77071

Square

Length = n
Perimeter 80075380
Area 400754155134025
Diagonal 28310922.102045

Cube

Length = n
Surface area 2404524930804150
Volume 8.022635314734E+21
Space diagonal 34673656.648846

Equilateral Triangle

Length = n
Perimeter 60056535
Area 1.7353163950912E+14
Altitude 17336828.324423

Triangular Pyramid

Length = n
Surface area 1.7353163950912E+14
Volume 9.4547663900585E+20
Height 9436974.0340149