20642731 (number)

20642731 is an odd 8-digits prime number following 20642730 and preceding 20642732. In scientific notation, it is written as 2.0642731 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 20642730 positive integers (up to 20642731) that are relatively prime to 20642731.

Interesting facts

Basic properties

Name

Name twenty million six hundred forty-two thousand seven hundred thirty-one

Notation

Scientific notation 2.0642731 × 10^7
Engineering notation 2.0642731 × 10^6

Prime Factorization of 20642731

Prime Factorization 20642731

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20642731
Product of the distinct prime numbers

The prime factorization of 20642731 is 20642731. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20642731)

Multiplication

n×y
n×2 41285462
n×3 61928193
n×4 82570924
n×5 103213655

Division

n÷y
n÷2 10321365.5
n÷3 6880910.3333333
n÷3 5160682.75
n÷5 4128546.2

Exponentiation

ny
n2 426122343138361
n3 8.7963289024949E+21
n4 1.8158025132173E+29
n5 3.7483122829468E+36

Nth Root

y√n
2√n 4543.4272306267
3√n 274.31889186393
4√n 67.404949600357
5√n 29.037112730801

Divisors of 20642731

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20642732
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10321366
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4543.4273406758
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999031136
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20642731 can be divided by 2 positive divisors. The sum of these divisors (counting 20642731) is 20642732, the average is 10321366.

Base conversion 20642731

Base System Value
2 Binary 1001110101111101110101011
3 Ternary 1102211202111121
4 Quaternary 1032233232223
5 Quinary 20241031411
6 Senary 2014240111
8 Octal 116575653
10 Decimal 20642731
12 Duodecimal 6ab6037
16 Hexadecimal 13afbab
20 Vigesimal 6906gb
36 Base36 cag17

Cryptographic Hash Functions

md5 3d2e4e1fd0ca2e0e6322b7fa60280511
sha1 b1ffcc0ff3fea93ac063792580fd1102a1f6de80
sha256 25dd9d3d6ac48b895a81bbd12ebd8df6b14c9a5fa65f64d37ef948d5daffbb16
sha512 4a867f54d7be9143f3fc86da02b64ee6ac0ea1aaf11c991b8c7988682000636a7e3f18074f679f10d3cb135c3f5d813d968e450be75a72de360186ad437af455
ripemd-160 3a389dd5f3383318335f00efe617741c3e7b402c

20642731 as geometric shapes

Circle

Radius = n
Diameter 41285462
Circumference 129702104.11926
Area 1.3387028227339E+15

Sphere

Radius = n
Volume 3.684597634485E+22
Surface area 5.3548112909358E+15
Circumference 129702104.11926

Square

Length = n
Perimeter 82570924
Area 426122343138361
Diagonal 29193230.14462

Cube

Length = n
Surface area 2556734058830166
Volume 8.7963289024949E+21
Space diagonal 35754258.898977

Equilateral Triangle

Length = n
Perimeter 61928193
Area 1.8451638713899E+14
Altitude 17877129.449489

Triangular Pyramid

Length = n
Surface area 1.8451638713899E+14
Volume 1.0366573027502E+21
Height 9731076.7148732