20208081 (number)

20208081 is an odd 8-digits composite number following 20208080 and preceding 20208082. In scientific notation, it is written as 2.0208081 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13472052 positive integers (up to 20208081) that are relatively prime to 20208081.

Interesting facts

Basic properties

Name

Name twenty million two hundred eight thousand eighty-one

Notation

Scientific notation 2.0208081 × 10^7
Engineering notation 2.0208081 × 10^6

Prime Factorization of 20208081

Prime Factorization 3 × 6736027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20208081
Product of the distinct prime numbers

The prime factorization of 20208081 is 3 × 6736027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20208081)

Multiplication

n×y
n×2 40416162
n×3 60624243
n×4 80832324
n×5 101040405

Division

n÷y
n÷2 10104040.5
n÷3 6736027
n÷3 5052020.25
n÷5 4041616.2

Exponentiation

ny
n2 408366537702561
n3 8.2523040715829E+21
n4 1.6676322911518E+29
n5 3.3699648417811E+36

Nth Root

y√n
2√n 4495.3399204065
3√n 272.37988028497
4√n 67.047296145381
5√n 28.913789492081

Divisors of 20208081

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 -20208080
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 20208081 can be divided by 4 positive divisors. The sum of these divisors (counting 20208081) is 1, the average is 0.25.

Base conversion 20208081

Base System Value
2 Binary 1001101000101100111010001
3 Ternary 1102000200021110
4 Quaternary 1031011213101
5 Quinary 20133124311
6 Senary 2001043533
8 Octal 115054721
10 Decimal 20208081
12 Duodecimal 69265a9
16 Hexadecimal 13459d1
20 Vigesimal 666041
36 Base36 c14nl

Cryptographic Hash Functions

md5 87ac833028a8e6ffe80e2406c4081f25
sha1 d4695cda276819223ef2e918c69cf8401af5e668
sha256 d57a3820f42966ccf0e2c61d02071d6d20d33a8673e7b63f47c9f05fb791262a
sha512 1b9e58d55194fb7a2b86a27a84f327aab952f4b7cc411a06e7a4266a66c0aeaff96c95beb678450387d25a59e68da8ba37040b17181a1ce453dc7ce8b5ec2c61
ripemd-160 9e982408961addd8c70d5f13da5ebe1e2c38dbae

20208081 as geometric shapes

Circle

Radius = n
Diameter 40416162
Circumference 126971117.62549
Area 1.2829213148183E+15

Sphere

Radius = n
Volume 3.4567170461965E+22
Surface area 5.1316852592731E+15
Circumference 126971117.62549

Square

Length = n
Perimeter 80832324
Area 408366537702561
Diagonal 28578542.219734

Cube

Length = n
Surface area 2450199226215366
Volume 8.2523040715829E+21
Space diagonal 35001423.015467

Equilateral Triangle

Length = n
Perimeter 60624243
Area 1.7682789785296E+14
Altitude 17500711.507734

Triangular Pyramid

Length = n
Surface area 1.7682789785296E+14
Volume 9.7254336157161E+20
Height 9526180.7399114