20506749 (number)

20506749 is an odd 8-digits composite number following 20506748 and preceding 20506750. In scientific notation, it is written as 2.0506749 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 13671164 positive integers (up to 20506749) that are relatively prime to 20506749.

Interesting facts

Basic properties

Name

Name twenty million five hundred six thousand seven hundred forty-nine

Notation

Scientific notation 2.0506749 × 10^7
Engineering notation 2.0506749 × 10^6

Prime Factorization of 20506749

Prime Factorization 3 × 6835583

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20506749
Product of the distinct prime numbers

The prime factorization of 20506749 is 3 × 6835583. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20506749)

Multiplication

n×y
n×2 41013498
n×3 61520247
n×4 82026996
n×5 102533745

Division

n÷y
n÷2 10253374.5
n÷3 6835583
n÷3 5126687.25
n÷5 4101349.8

Exponentiation

ny
n2 420526754549001
n3 8.623636603321E+21
n4 1.7684275129152E+29
n5 3.6264699132045E+36

Nth Root

y√n
2√n 4528.4378101063
3√n 273.71521461214
4√n 67.293668425092
5√n 28.99875569184

Divisors of 20506749

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 -20506748
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 20506749 can be divided by 4 positive divisors. The sum of these divisors (counting 20506749) is 1, the average is 0.25.

Base conversion 20506749

Base System Value
2 Binary 1001110001110100001111101
3 Ternary 1102120211222020
4 Quaternary 1032032201331
5 Quinary 20222203444
6 Senary 2011310353
8 Octal 116164175
10 Decimal 20506749
12 Duodecimal 6a4b3b9
16 Hexadecimal 138e87d
20 Vigesimal 6836h9
36 Base36 c7j3x

Cryptographic Hash Functions

md5 8bf3682b022767cd91b9f6d682fa4b0c
sha1 90ccd87a55b926f01b4ef1b7e323f41ef58478eb
sha256 94b1c8183554cc5e51103a90581fb6b5b176254759b069c9fe9d8bd848362b16
sha512 71eafaa348344497fdb60c0f2b11e848d05e545d3bb832cf983baf710bd4a83c5b1a311d40fab99eaec0eb4bbdc8ba133447255471655739b414764c2c443c14
ripemd-160 ee3f6df1a2250dab914b9b6302775e2a45b42bb5

20506749 as geometric shapes

Circle

Radius = n
Diameter 41013498
Circumference 128847704.01482
Area 1.3211237627291E+15

Sphere

Radius = n
Volume 3.6122604533628E+22
Surface area 5.2844950509164E+15
Circumference 128847704.01482

Square

Length = n
Perimeter 82026996
Area 420526754549001
Diagonal 29000922.555981

Cube

Length = n
Surface area 2523160527294006
Volume 8.623636603321E+21
Space diagonal 35518731.166062

Equilateral Triangle

Length = n
Perimeter 61520247
Area 1.8209342620523E+14
Altitude 17759365.583031

Triangular Pyramid

Length = n
Surface area 1.8209342620523E+14
Volume 1.0163053201161E+21
Height 9666974.185327