20688755 (number)

20688755 is an odd 8-digits composite number following 20688754 and preceding 20688756. In scientific notation, it is written as 2.0688755 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 16551000 positive integers (up to 20688755) that are relatively prime to 20688755.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0688755 × 10^7
Engineering notation 2.0688755 × 10^6

Prime Factorization of 20688755

Prime Factorization 5 × 4137751

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20688755
Product of the distinct prime numbers

The prime factorization of 20688755 is 5 × 4137751. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20688755)

Multiplication

n×y
n×2 41377510
n×3 62066265
n×4 82755020
n×5 103443775

Division

n÷y
n÷2 10344377.5
n÷3 6896251.6666667
n÷3 5172188.75
n÷5 4137751

Exponentiation

ny
n2 428024583450025
n3 8.8552957409746E+21
n4 1.8320504403757E+29
n5 3.7902842708574E+36

Nth Root

y√n
2√n 4548.48930965
3√n 274.52260976358
4√n 67.442488904621
5√n 29.050049137678

Divisors of 20688755

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20688754
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20688755 can be divided by 4 positive divisors. The sum of these divisors (counting 20688755) is 1, the average is 0.25.

Base conversion 20688755

Base System Value
2 Binary 1001110111010111101110011
3 Ternary 1102221002122012
4 Quaternary 1032322331303
5 Quinary 20244020010
6 Senary 2015233135
8 Octal 116727563
10 Decimal 20688755
12 Duodecimal 6b187ab
16 Hexadecimal 13baf73
20 Vigesimal 6961hf
36 Base36 cbfjn

Cryptographic Hash Functions

md5 176075ea9f2db065bd0f585d85a937ab
sha1 0a49c16e4028642b2332701b6a431fd0737e443b
sha256 35c2396371cbb93db067e71cc0d25a18630068634c06d1bca392152562d10028
sha512 df467b0ed03a4d73b35a868a38aa1423d1ae08ca659c5dca54723e20ee603d8291cf7a7fb54017478fa36bd897c30b7ef27f3c3b42f7fb63a322710c9f9bbb3f
ripemd-160 7e6c31dcff8e8697763486eb7ac1785d121167f7

20688755 as geometric shapes

Circle

Radius = n
Diameter 41377510
Circumference 129991281.43984
Area 1.3446788869224E+15

Sphere

Radius = n
Volume 3.7092976060281E+22
Surface area 5.3787155476897E+15
Circumference 129991281.43984

Square

Length = n
Perimeter 82755020
Area 428024583450025
Diagonal 29258317.909614

Cube

Length = n
Surface area 2568147500700150
Volume 8.8552957409746E+21
Space diagonal 35833974.805345

Equilateral Triangle

Length = n
Perimeter 62066265
Area 1.8534008135599E+14
Altitude 17916987.402672

Triangular Pyramid

Length = n
Surface area 1.8534008135599E+14
Volume 1.0436066113093E+21
Height 9752772.6365381