20686321 (number)

20686321 is an odd 8-digits composite number following 20686320 and preceding 20686322. In scientific notation, it is written as 2.0686321 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20643700 positive integers (up to 20686321) that are relatively prime to 20686321.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-six thousand three hundred twenty-one

Notation

Scientific notation 2.0686321 × 10^7
Engineering notation 2.0686321 × 10^6

Prime Factorization of 20686321

Prime Factorization 491 × 42131

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20686321
Product of the distinct prime numbers

The prime factorization of 20686321 is 491 × 42131. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20686321)

Multiplication

n×y
n×2 41372642
n×3 62058963
n×4 82745284
n×5 103431605

Division

n÷y
n÷2 10343160.5
n÷3 6895440.3333333
n÷3 5171580.25
n÷5 4137264.2

Exponentiation

ny
n2 427923876515041
n3 8.8521706731545E+21
n4 1.8311884409166E+29
n5 3.788055190029E+36

Nth Root

y√n
2√n 4548.2217404168
3√n 274.51184362133
4√n 67.440505190996
5√n 29.049365566846

Divisors of 20686321

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 -20686320
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 20686321 can be divided by 4 positive divisors. The sum of these divisors (counting 20686321) is 1, the average is 0.25.

Base conversion 20686321

Base System Value
2 Binary 1001110111010010111110001
3 Ternary 1102220222022001
4 Quaternary 1032322113301
5 Quinary 20243430241
6 Senary 2015214001
8 Octal 116722761
10 Decimal 20686321
12 Duodecimal 6b17301
16 Hexadecimal 13ba5f1
20 Vigesimal 695fg1
36 Base36 cbdo1

Cryptographic Hash Functions

md5 05344f508a11783b9f7b1ac2db852d75
sha1 80f8ea1d1555ecd4d1bb7469901ec7348b96aa4a
sha256 7e7f0a69aed359918feafbaecc9182d976b583a99a4b459de38e31d59c5b1d60
sha512 02203d9005abecce0fe39bdf2c1975b103f1c7c3f7ec3147a5994ed4fbe0ebfdc0ac69e0dddec34c1d70c65220d8fc7fc8c17efb3f97cd58033ff9917e46e12c
ripemd-160 21d353e4807e5dbdb314f7cf95f015ee002163d2

20686321 as geometric shapes

Circle

Radius = n
Diameter 41372642
Circumference 129975988.1668
Area 1.3443625067553E+15

Sphere

Radius = n
Volume 3.7079885806807E+22
Surface area 5.3774500270213E+15
Circumference 129975988.1668

Square

Length = n
Perimeter 82745284
Area 427923876515041
Diagonal 29254875.713803

Cube

Length = n
Surface area 2567543259090246
Volume 8.8521706731545E+21
Space diagonal 35829758.993679

Equilateral Triangle

Length = n
Perimeter 62058963
Area 1.8529647397397E+14
Altitude 17914879.49684

Triangular Pyramid

Length = n
Surface area 1.8529647397397E+14
Volume 1.0432383185347E+21
Height 9751625.2379345