20688542 (number)

20688542 is an even 8-digits composite number following 20688541 and preceding 20688543. In scientific notation, it is written as 2.0688542 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 8560608 positive integers (up to 20688542) that are relatively prime to 20688542.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-eight thousand five hundred forty-two

Notation

Scientific notation 2.0688542 × 10^7
Engineering notation 2.0688542 × 10^6

Prime Factorization of 20688542

Prime Factorization 2 × 7 × 29 × 50957

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20688542
Product of the distinct prime numbers

The prime factorization of 20688542 is 2 × 7 × 29 × 50957. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20688542)

Multiplication

n×y
n×2 41377084
n×3 62065626
n×4 82754168
n×5 103442710

Division

n÷y
n÷2 10344271
n÷3 6896180.6666667
n÷3 5172135.5
n÷5 4137708.4

Exponentiation

ny
n2 428015770085764
n3 8.8550222360817E+21
n4 1.8319749944211E+29
n5 3.7900891615031E+36

Nth Root

y√n
2√n 4548.4658952223
3√n 274.52166764927
4√n 67.442315316293
5√n 29.049989320778

Divisors of 20688542

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20688541
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20688542 can be divided by 16 positive divisors. The sum of these divisors (counting 20688542) is 1, the average is 0.0625.

Base conversion 20688542

Base System Value
2 Binary 1001110111010111010011110
3 Ternary 1102221002100022
4 Quaternary 1032322322132
5 Quinary 20244013132
6 Senary 2015232142
8 Octal 116727236
10 Decimal 20688542
12 Duodecimal 6b18652
16 Hexadecimal 13bae9e
20 Vigesimal 696172
36 Base36 cbfdq

Cryptographic Hash Functions

md5 27bbac0520531b9af139ae99f23dc86c
sha1 5f0c26d725f19f99e0dbe2e8b3fb989b1bff3e72
sha256 03a11614a8a7d04230f58eef6e8c3c0bf4c150f9fe320ccc5eaa0ba9753405a0
sha512 13c32b96d8ef0fdd14c41d5a3082e4d14742f5e2063d4933e18fd7a4a03b2368f5af7a706f6fa762888ee722b21ec3b19357e1b315a8b8d5d1900d07db8f1872
ripemd-160 f1ea8a1bcb664637bb2f7e950ccfa9bdeae5cfda

20688542 as geometric shapes

Circle

Radius = n
Diameter 41377084
Circumference 129989943.12137
Area 1.344651198922E+15

Sphere

Radius = n
Volume 3.7091830405665E+22
Surface area 5.3786047956881E+15
Circumference 129989943.12137

Square

Length = n
Perimeter 82754168
Area 428015770085764
Diagonal 29258016.682125

Cube

Length = n
Surface area 2568094620514584
Volume 8.8550222360817E+21
Space diagonal 35833605.878523

Equilateral Triangle

Length = n
Perimeter 62065626
Area 1.8533626505732E+14
Altitude 17916802.939261

Triangular Pyramid

Length = n
Surface area 1.8533626505732E+14
Volume 1.0435743784485E+21
Height 9752672.2273751