20506721 (number)

20506721 is an odd 8-digits composite number following 20506720 and preceding 20506722. In scientific notation, it is written as 2.0506721 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 20246400 positive integers (up to 20506721) that are relatively prime to 20506721.

Interesting facts

Basic properties

Name

Name twenty million five hundred six thousand seven hundred twenty-one

Notation

Scientific notation 2.0506721 × 10^7
Engineering notation 2.0506721 × 10^6

Prime Factorization of 20506721

Prime Factorization 601 × 149 × 229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20506721
Product of the distinct prime numbers

The prime factorization of 20506721 is 601 × 149 × 229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 85, 82, 256, 700, 3243, 7953, 60677, 95402, 466003, 313677, 85899, 3480831, 36283023, 52711593, 949020048, 709523344, 2932724037, 7325701690

Basic calculations (n = 20506721)

Multiplication

n×y
n×2 41013442
n×3 61520163
n×4 82026884
n×5 102533605

Division

n÷y
n÷2 10253360.5
n÷3 6835573.6666667
n÷3 5126680.25
n÷5 4101344.2

Exponentiation

ny
n2 420525606171841
n3 8.6236012791218E+21
n4 1.7684178544619E+29
n5 3.626445155287E+36

Nth Root

y√n
2√n 4528.4347185313
3√n 273.71509003479
4√n 67.293645454317
5√n 28.998747772831

Divisors of 20506721

1, 149, 229, 601, 34121, 89549, 137629, 20506721

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 -20506720
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 20506721 can be divided by 8 positive divisors. The sum of these divisors (counting 20506721) is 1, the average is 0.125.

Base conversion 20506721

Base System Value
2 Binary 1001110001110100001100001
3 Ternary 1102120211221012
4 Quaternary 1032032201201
5 Quinary 20222203341
6 Senary 2011310305
8 Octal 116164141
10 Decimal 20506721
12 Duodecimal 6a4b395
16 Hexadecimal 138e861
20 Vigesimal 6836g1
36 Base36 c7j35

Cryptographic Hash Functions

md5 8c95afdcf85b0e3ba3d5a8d8e27ac69f
sha1 29ba5f78546848719bd9b0ef2c29faaeeace43a8
sha256 d6bcfd19004d606c49ed305bc83179253cc3c4b126b2737cd92d2851b194572d
sha512 7952f60004549fb33c035614459064398de12a75e3760d71cbdfc29f597aa2b35bb646ad87a4ff83cfc83b850e085c2cbd695f44350158e39568b2e019ea0257
ripemd-160 299dd07c27bc43a967b65d9568ce84344001f804

20506721 as geometric shapes

Circle

Radius = n
Diameter 41013442
Circumference 128847528.08563
Area 1.3211201549959E+15

Sphere

Radius = n
Volume 3.6122456567969E+22
Surface area 5.2844806199834E+15
Circumference 128847528.08563

Square

Length = n
Perimeter 82026884
Area 420525606171841
Diagonal 29000882.958001

Cube

Length = n
Surface area 2523153637031046
Volume 8.6236012791218E+21
Space diagonal 35518682.66864

Equilateral Triangle

Length = n
Perimeter 61520163
Area 1.8209292894333E+14
Altitude 17759341.33432

Triangular Pyramid

Length = n
Surface area 1.8209292894333E+14
Volume 1.0163011571193E+21
Height 9666960.9860004