20804931 (number)

20804931 is an odd 8-digits composite number following 20804930 and preceding 20804932. In scientific notation, it is written as 2.0804931 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 11809800 positive integers (up to 20804931) that are relatively prime to 20804931.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand nine hundred thirty-one

Notation

Scientific notation 2.0804931 × 10^7
Engineering notation 2.0804931 × 10^6

Prime Factorization of 20804931

Prime Factorization 243 × 81 × 7 × 151

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20804931
Product of the distinct prime numbers

The prime factorization of 20804931 is 243 × 81 × 7 × 151. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 28, 23, 448, 307, 5250, 6470, 96726, 69907, 137679, 25951, 7928858, 6219257, 39146063, 77184697, 691165497, 458950115, 1161173844, 3152294484

Basic calculations (n = 20804931)

Multiplication

n×y
n×2 41609862
n×3 62414793
n×4 83219724
n×5 104024655

Division

n÷y
n÷2 10402465.5
n÷3 6934977
n÷3 5201232.75
n÷5 4160986.2

Exponentiation

ny
n2 432845153914761
n3 9.005313560881E+21
n4 1.8735492726749E+29
n5 3.8979063343102E+36

Nth Root

y√n
2√n 4561.2422649976
3√n 275.035503956
4√n 67.53696961663
5√n 29.082601732736

Divisors of 20804931

1, 7, 81, 151, 243, 567, 1057, 1701, 12231, 19683, 36693, 85617, 137781, 256851, 2972133, 20804931

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20804930
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20804931 can be divided by 16 positive divisors. The sum of these divisors (counting 20804931) is 1, the average is 0.0625.

Base conversion 20804931

Base System Value
2 Binary 1001111010111010101000011
3 Ternary 1110011000000000
4 Quaternary 1033113111003
5 Quinary 20311224211
6 Senary 2021531043
8 Octal 117272503
10 Decimal 20804931
12 Duodecimal 6b73a83
16 Hexadecimal 13d7543
20 Vigesimal 6a0c6b
36 Base36 cdx6r

Cryptographic Hash Functions

md5 16b6aa1d4d4a42ad26a51f3abd3f081b
sha1 8bb1d5e47f6d9127fdbf8f8498e9c4ca12344e75
sha256 075188538537ec2905a5edb04f46521b4bd481542b42b62ddef0dd66f6bc708c
sha512 720d6646b53fd09b7a762074ce88e71c09e35a9bfa161797554164fc55635b25d5755e043f1b5e00850dc0760cd47e96ea4519f397d045d2f314e4ffc7e68691
ripemd-160 40f1433e1cb34ce0e104e8853367119aad3811e6

20804931 as geometric shapes

Circle

Radius = n
Diameter 41609862
Circumference 130721236.77609
Area 1.3598231556806E+15

Sphere

Radius = n
Volume 3.7721369234848E+22
Surface area 5.4392926227222E+15
Circumference 130721236.77609

Square

Length = n
Perimeter 83219724
Area 432845153914761
Diagonal 29422615.584436

Cube

Length = n
Surface area 2597070923488566
Volume 9.005313560881E+21
Space diagonal 36035197.539965

Equilateral Triangle

Length = n
Perimeter 62414793
Area 1.8742744959758E+14
Altitude 18017598.769982

Triangular Pyramid

Length = n
Surface area 1.8742744959758E+14
Volume 1.061286380935E+21
Height 9807538.5281455