20386721 (number)

20386721 is an odd 8-digits composite number following 20386720 and preceding 20386722. In scientific notation, it is written as 2.0386721 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20339844 positive integers (up to 20386721) that are relatively prime to 20386721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0386721 × 10^7
Engineering notation 2.0386721 × 10^6

Prime Factorization of 20386721

Prime Factorization 439 × 46439

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20386721
Product of the distinct prime numbers

The prime factorization of 20386721 is 439 × 46439. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20386721)

Multiplication

n×y
n×2 40773442
n×3 61160163
n×4 81546884
n×5 101933605

Division

n÷y
n÷2 10193360.5
n÷3 6795573.6666667
n÷3 5096680.25
n÷5 4077344.2

Exponentiation

ny
n2 415618393131841
n3 8.4730962232472E+21
n4 1.7273864870949E+29
n5 3.5215746371575E+36

Nth Root

y√n
2√n 4515.1656669496
3√n 273.18014203268
4√n 67.194982453674
5√n 28.964729426171

Divisors of 20386721

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 -20386720
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 20386721 can be divided by 4 positive divisors. The sum of these divisors (counting 20386721) is 1, the average is 0.25.

Base conversion 20386721

Base System Value
2 Binary 1001101110001001110100001
3 Ternary 1102100202022202
4 Quaternary 1031301032201
5 Quinary 20204333341
6 Senary 2004542545
8 Octal 115611641
10 Decimal 20386721
12 Duodecimal 69b1a55
16 Hexadecimal 13713a1
20 Vigesimal 6786g1
36 Base36 c4yht

Cryptographic Hash Functions

md5 6747d603628925b90986c461f8e9e9eb
sha1 c3184679d5f04e57d0a7d528bcdf17800e411f9f
sha256 e946626c4d69b21bd16a8bf7334b152a951b58a743a74c3a5e9c5f4684b1abd3
sha512 c14f5076de818228a7e25ea370ba25030a645929c438b68c868ce3a8af86ce9512bc1c57e69f6ade760f6040f60b27ab1732a3f2677037a52e2f63efef250883
ripemd-160 bd3d180d1e09c87200eb27a4afa9eacdecb2fb4f

20386721 as geometric shapes

Circle

Radius = n
Diameter 40773442
Circumference 128093545.84877
Area 1.3057036905598E+15

Sphere

Radius = n
Volume 3.549202246415E+22
Surface area 5.2228147622391E+15
Circumference 128093545.84877

Square

Length = n
Perimeter 81546884
Area 415618393131841
Diagonal 28831177.330516

Cube

Length = n
Surface area 2493710358791046
Volume 8.4730962232472E+21
Space diagonal 35310836.571731

Equilateral Triangle

Length = n
Perimeter 61160163
Area 1.7996804336612E+14
Altitude 17655418.285866

Triangular Pyramid

Length = n
Surface area 1.7996804336612E+14
Volume 9.9856396618403E+20
Height 9610392.4435055