20997686 (number)

20997686 is an even 8-digits composite number following 20997685 and preceding 20997687. In scientific notation, it is written as 2.0997686 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 9881248 positive integers (up to 20997686) that are relatively prime to 20997686.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-seven thousand six hundred eighty-six

Notation

Scientific notation 2.0997686 × 10^7
Engineering notation 2.0997686 × 10^6

Prime Factorization of 20997686

Prime Factorization 2 × 17 × 617579

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20997686
Product of the distinct prime numbers

The prime factorization of 20997686 is 2 × 17 × 617579. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20997686)

Multiplication

n×y
n×2 41995372
n×3 62993058
n×4 83990744
n×5 104988430

Division

n÷y
n÷2 10498843
n÷3 6999228.6666667
n÷3 5249421.5
n÷5 4199537.2

Exponentiation

ny
n2 440902817354596
n3 9.2579389153272E+21
n4 1.9439529435122E+29
n5 4.0818513506645E+36

Nth Root

y√n
2√n 4582.3232099013
3√n 275.88228369359
4√n 67.692859371586
5√n 29.136292434918

Divisors of 20997686

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20997685
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20997686 can be divided by 8 positive divisors. The sum of these divisors (counting 20997686) is 1, the average is 0.125.

Base conversion 20997686

Base System Value
2 Binary 1010000000110011000110110
3 Ternary 1110111210102002
4 Quaternary 1100012120312
5 Quinary 20333411221
6 Senary 2030015302
8 Octal 120063066
10 Decimal 20997686
12 Duodecimal 7047532
16 Hexadecimal 1406636
20 Vigesimal 6b4e46
36 Base36 ci1x2

Cryptographic Hash Functions

md5 7f6a726e60840a7eb4a3179dd7b222d5
sha1 43b06f1cdf6f6b0ccfdee6345ec2b95d88f38a1a
sha256 23e71c3b707c928c0de7c6e66b6c9ccd207498ae15fb82fc4ce8478e652185e8
sha512 e3f62f00402f3b9fdf909db4c8d0262b675a58dc8e3db8b773df0e0a5048a618415665a946921ab27e95b738d923a14e3e3b36d240e01df33704eda2b424e939
ripemd-160 dc3c760847e02a071ff32cded7e24f23faed1f91

20997686 as geometric shapes

Circle

Radius = n
Diameter 41995372
Circumference 131932352.15997
Area 1.3851370519482E+15

Sphere

Radius = n
Volume 3.8779563845033E+22
Surface area 5.540548207793E+15
Circumference 131932352.15997

Square

Length = n
Perimeter 83990744
Area 440902817354596
Diagonal 29695212.319652

Cube

Length = n
Surface area 2645416904127576
Volume 9.2579389153272E+21
Space diagonal 36369058.993378

Equilateral Triangle

Length = n
Perimeter 62993058
Area 1.9091652021461E+14
Altitude 18184529.496689

Triangular Pyramid

Length = n
Surface area 1.9091652021461E+14
Volume 1.0910585644731E+21
Height 9898404.1065506