20081390 (number)

20081390 is an even 8-digits composite number following 20081389 and preceding 20081391. In scientific notation, it is written as 2.0081390 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 32 positive divisors. There are 6716160 positive integers (up to 20081390) that are relatively prime to 20081390.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand three hundred ninety

Notation

Scientific notation 2.0081390 × 10^7
Engineering notation 2.0081390 × 10^6

Prime Factorization of 20081390

Prime Factorization 2 × 5 × 7 × 41 × 6997

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20081390
Product of the distinct prime numbers

The prime factorization of 20081390 is 2 × 5 × 7 × 41 × 6997. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081390)

Multiplication

n×y
n×2 40162780
n×3 60244170
n×4 80325560
n×5 100406950

Division

n÷y
n÷2 10040695
n÷3 6693796.6666667
n÷3 5020347.5
n÷5 4016278

Exponentiation

ny
n2 403262224332100
n3 8.0980659990804E+21
n4 1.6262042157327E+29
n5 3.2656441075773E+36

Nth Root

y√n
2√n 4481.226394638
3√n 271.80947405748
4√n 66.941962883067
5√n 28.877444252595

Divisors of 20081390

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20081389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081390 can be divided by 32 positive divisors. The sum of these divisors (counting 20081390) is 1, the average is 0.03125.

Base conversion 20081390

Base System Value
2 Binary 1001100100110101011101110
3 Ternary 1101210020111012
4 Quaternary 1030212223232
5 Quinary 20120101030
6 Senary 1554225222
8 Octal 114465356
10 Decimal 20081390
12 Duodecimal 6885212
16 Hexadecimal 1326aee
20 Vigesimal 65a39a
36 Base36 byewe

Cryptographic Hash Functions

md5 00f8309bec5671e4335e92ac912b8786
sha1 24870ef467af2bd9dcca6f23abf68d5d86c50aba
sha256 9c99b8236befa6919ee04d78a01a8442c668163f089ee269593800da9f734599
sha512 6093f7e591ff70f80c783a6cda4b2279ac41a32991a1996afcf9df59778b93dca35ad3bf3d6b1b5530525efb5aa4d49d60eeffcf2958535fbc23f906b04633c4
ripemd-160 ad2ab9dc0f44989029e2c61181ad478f29c4997d

20081390 as geometric shapes

Circle

Radius = n
Diameter 40162780
Circumference 126175094.59574
Area 1.266885641432E+15

Sphere

Radius = n
Volume 3.3921099534662E+22
Surface area 5.067542565728E+15
Circumference 126175094.59574

Square

Length = n
Perimeter 80325560
Area 403262224332100
Diagonal 28399374.089303

Cube

Length = n
Surface area 2419573345992600
Volume 8.0980659990804E+21
Space diagonal 34781987.766606

Equilateral Triangle

Length = n
Perimeter 60244170
Area 1.7461766532911E+14
Altitude 17390993.883303

Triangular Pyramid

Length = n
Surface area 1.7461766532911E+14
Volume 9.5436623040766E+20
Height 9466458.0297678