20081291 (number)

20081291 is an odd 8-digits prime number following 20081290 and preceding 20081292. In scientific notation, it is written as 2.0081291 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 20081290 positive integers (up to 20081291) that are relatively prime to 20081291.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand two hundred ninety-one

Notation

Scientific notation 2.0081291 × 10^7
Engineering notation 2.0081291 × 10^6

Prime Factorization of 20081291

Prime Factorization 20081291

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20081291
Product of the distinct prime numbers

The prime factorization of 20081291 is 20081291. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081291)

Multiplication

n×y
n×2 40162582
n×3 60243873
n×4 80325164
n×5 100406455

Division

n÷y
n÷2 10040645.5
n÷3 6693763.6666667
n÷3 5020322.75
n÷5 4016258.2

Exponentiation

ny
n2 403258248226681
n3 8.0979462307902E+21
n4 1.6261721476285E+29
n5 3.2655636112623E+36

Nth Root

y√n
2√n 4481.2153485411
3√n 271.80902738883
4√n 66.94188037799
5√n 28.877415779739

Divisors of 20081291

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20081292
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10040646
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4481.2154601179
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999004048
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081291 can be divided by 2 positive divisors. The sum of these divisors (counting 20081291) is 20081292, the average is 10040646.

Base conversion 20081291

Base System Value
2 Binary 1001100100110101010001011
3 Ternary 1101210020100112
4 Quaternary 1030212222023
5 Quinary 20120100131
6 Senary 1554224535
8 Octal 114465213
10 Decimal 20081291
12 Duodecimal 688514b
16 Hexadecimal 1326a8b
20 Vigesimal 65a34b
36 Base36 byetn

Cryptographic Hash Functions

md5 49b20e5f38712991212f2601c9a3e7fd
sha1 1298a424f5782245366a43e497cf12fb4ef1c77e
sha256 546c45708ed1d9c694ad3cea06b324b94f3b6c15365f26862b20df835c26d946
sha512 430bb12efbdedf11deb322392644a065f7267d9f8896d4b843043ad5a53b03a0b8bb8d0161eb5ff2650a2bb47a480c6a6b64617fdccef3740de85915755a0135
ripemd-160 32d2260e8ebcc890acea672fde95b272d65a4ffd

20081291 as geometric shapes

Circle

Radius = n
Diameter 40162582
Circumference 126174472.5604
Area 1.2668731501284E+15

Sphere

Radius = n
Volume 3.3920597850421E+22
Surface area 5.0674926005137E+15
Circumference 126174472.5604

Square

Length = n
Perimeter 80325164
Area 403258248226681
Diagonal 28399234.082161

Cube

Length = n
Surface area 2419549489360086
Volume 8.0979462307902E+21
Space diagonal 34781816.293576

Equilateral Triangle

Length = n
Perimeter 60243873
Area 1.7461594362496E+14
Altitude 17390908.146788

Triangular Pyramid

Length = n
Surface area 1.7461594362496E+14
Volume 9.543521155793E+20
Height 9466411.3607203