20686788 (number)

20686788 is an even 8-digits composite number following 20686787 and preceding 20686789. In scientific notation, it is written as 2.0686788 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 6873600 positive integers (up to 20686788) that are relatively prime to 20686788.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-six thousand seven hundred eighty-eight

Notation

Scientific notation 2.0686788 × 10^7
Engineering notation 2.0686788 × 10^6

Prime Factorization of 20686788

Prime Factorization 2 × 2 × 9 × 401 × 1433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10343394
Product of the distinct prime numbers

The prime factorization of 20686788 is 2 × 2 × 9 × 401 × 1433. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 9, 6, 57, 633, 934, 1048, 6642, 18385, 41414, 23374, 15802, 6152942, 5240484, 11988628, 17361111, 815596786, 314103485, 3830984241, 45907885

Basic calculations (n = 20686788)

Multiplication

n×y
n×2 41373576
n×3 62060364
n×4 82747152
n×5 103433940

Division

n÷y
n÷2 10343394
n÷3 6895596
n÷3 5171697
n÷5 4137357.6

Exponentiation

ny
n2 427943197756944
n3 8.85277020804E+21
n4 1.8313538050644E+29
n5 3.788482791836E+36

Nth Root

y√n
2√n 4548.2730788729
3√n 274.51390933529
4√n 67.440885810263
5√n 29.049496725318

Divisors of 20686788

1, 2, 4, 9, 18, 36, 401, 802, 1433, 1604, 2866, 3609, 5732, 7218, 12897, 14436, 25794, 51588, 574633, 1149266, 2298532, 5171697, 10343394, 20686788

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20686787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20686788 can be divided by 24 positive divisors. The sum of these divisors (counting 20686788) is 1, the average is 0.041666666666667.

Base conversion 20686788

Base System Value
2 Binary 1001110111010011111000100
3 Ternary 1102220222221100
4 Quaternary 1032322133010
5 Quinary 20243434123
6 Senary 2015220100
8 Octal 116723704
10 Decimal 20686788
12 Duodecimal 6b17630
16 Hexadecimal 13ba7c4
20 Vigesimal 695gj8
36 Base36 cbe10

Cryptographic Hash Functions

md5 6e22eb7433ba9d39c085a943ff3bf7fc
sha1 b845411567d95aabe0e18cfcc3ad1b10e3dd8b76
sha256 767b151b7bcdc4af40401432f8a24c9d3f66a455fd9fa0e21cb875aa750ce3a7
sha512 71cc94638cf2acd6ce7ac39dec20a9596e3d4b772039eb6880d5f4b5d74b1598b98aea3ba0ccbdf8605229c5c1339e0570e8db9a699a33fd83c80d5e665d384a
ripemd-160 5c249f2a5250212a72449758b5e9f8dfa2d53d57

20686788 as geometric shapes

Circle

Radius = n
Diameter 41373576
Circumference 129978922.41434
Area 1.3444232062269E+15

Sphere

Radius = n
Volume 3.7082397132663E+22
Surface area 5.3776928249078E+15
Circumference 129978922.41434

Square

Length = n
Perimeter 82747152
Area 427943197756944
Diagonal 29255536.151537

Cube

Length = n
Surface area 2567659186541664
Volume 8.85277020804E+21
Space diagonal 35830567.861406

Equilateral Triangle

Length = n
Perimeter 62060364
Area 1.8530484031713E+14
Altitude 17915283.930703

Triangular Pyramid

Length = n
Surface area 1.8530484031713E+14
Volume 1.0433089743986E+21
Height 9751845.3838457