20682721 (number)

20682721 is an odd 8-digits composite number following 20682720 and preceding 20682722. In scientific notation, it is written as 2.0682721 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 20269440 positive integers (up to 20682721) that are relatively prime to 20682721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0682721 × 10^7
Engineering notation 2.0682721 × 10^6

Prime Factorization of 20682721

Prime Factorization 61 × 409 × 829

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20682721
Product of the distinct prime numbers

The prime factorization of 20682721 is 61 × 409 × 829. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20682721)

Multiplication

n×y
n×2 41365442
n×3 62048163
n×4 82730884
n×5 103413605

Division

n÷y
n÷2 10341360.5
n÷3 6894240.3333333
n÷3 5170680.25
n÷5 4136544.2

Exponentiation

ny
n2 427774947963841
n3 8.8475498995256E+21
n4 1.8299140610547E+29
n5 3.7847601978771E+36

Nth Root

y√n
2√n 4547.8259641284
3√n 274.49591844434
4√n 67.437570864677
5√n 29.048354415597

Divisors of 20682721

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 -20682720
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 20682721 can be divided by 8 positive divisors. The sum of these divisors (counting 20682721) is 1, the average is 0.125.

Base conversion 20682721

Base System Value
2 Binary 1001110111001011111100001
3 Ternary 1102220210100201
4 Quaternary 1032321133201
5 Quinary 20243321341
6 Senary 2015145201
8 Octal 116713741
10 Decimal 20682721
12 Duodecimal 6b15201
16 Hexadecimal 13b97e1
20 Vigesimal 6956g1
36 Base36 cbaw1

Cryptographic Hash Functions

md5 af53ceb687a922ae74caba719695456b
sha1 b948456f74f502bbcf999bb9fa2696c3f1856ea8
sha256 9be6d59d8f58221ebb8272f416ab1ea806df1ca51d23e3930607850b5a9078c2
sha512 b5e993859eb749e5a67029f3830e38104de938f8a5662a444fb69f45c5ac64085c3ee925d7d68e2ed7d97a4f173d0cd2fd1fc951dc26e302c9bf2403dd194478
ripemd-160 e36c4b3d06cbb468466271451103e03174dd503e

20682721 as geometric shapes

Circle

Radius = n
Diameter 41365442
Circumference 129953368.69969
Area 1.343894633913E+15

Sphere

Radius = n
Volume 3.7060530355492E+22
Surface area 5.3755785356518E+15
Circumference 129953368.69969

Square

Length = n
Perimeter 82730884
Area 427774947963841
Diagonal 29249784.544979

Cube

Length = n
Surface area 2566649687783046
Volume 8.8475498995256E+21
Space diagonal 35823523.610772

Equilateral Triangle

Length = n
Perimeter 62048163
Area 1.8523198601963E+14
Altitude 17911761.805386

Triangular Pyramid

Length = n
Surface area 1.8523198601963E+14
Volume 1.0426937551402E+21
Height 9749928.1816596