20804855 (number)

20804855 is an odd 8-digits composite number following 20804854 and preceding 20804856. In scientific notation, it is written as 2.0804855 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 15555072 positive integers (up to 20804855) that are relatively prime to 20804855.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand eight hundred fifty-five

Notation

Scientific notation 2.0804855 × 10^7
Engineering notation 2.0804855 × 10^6

Prime Factorization of 20804855

Prime Factorization 5 × 17 × 1559 × 157

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20804855
Product of the distinct prime numbers

The prime factorization of 20804855 is 5 × 17 × 1559 × 157. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 24, 25, 287, 208, 4080, 7278, 89583, 98670, 170239, 185659, 1380658, 5400595, 84485247, 50444607, 301111798, 464626191, 3431283030, 9570040546

Basic calculations (n = 20804855)

Multiplication

n×y
n×2 41609710
n×3 62414565
n×4 83219420
n×5 104024275

Division

n÷y
n÷2 10402427.5
n÷3 6934951.6666667
n÷3 5201213.75
n÷5 4160971

Exponentiation

ny
n2 432841991571025
n3 9.0052148725464E+21
n4 1.8735218966717E+29
n5 3.897835139958E+36

Nth Root

y√n
2√n 4561.2339339262
3√n 275.03516905585
4√n 67.536907938743
5√n 29.082580485072

Divisors of 20804855

1, 5, 17, 85, 157, 785, 1559, 2669, 7795, 13345, 26503, 132515, 244763, 1223815, 4160971, 20804855

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 -20804854
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 20804855 can be divided by 16 positive divisors. The sum of these divisors (counting 20804855) is 1, the average is 0.0625.

Base conversion 20804855

Base System Value
2 Binary 1001111010111010011110111
3 Ternary 1110010222220012
4 Quaternary 1033113103313
5 Quinary 20311223410
6 Senary 2021530435
8 Octal 117272367
10 Decimal 20804855
12 Duodecimal 6b73a1b
16 Hexadecimal 13d74f7
20 Vigesimal 6a0c2f
36 Base36 cdx4n

Cryptographic Hash Functions

md5 0b3abe53e65a28aad14c14cd37255882
sha1 f66cc44823fb2a65b2f3ed48ed5d3edc39c0dd13
sha256 b8f3241cbfd0e2dbcf26893b8f2f2e24f5272d57e66f304d5ac04667aa455a4f
sha512 6ad86d6bd5d23e1e29c8d0ac27a612a4cf5455ad11b406cb80dc2819237c38c582367875eda7c776e0dc68c05f108cdd8047e2bdd592b023f6c6a09dddf2bf8a
ripemd-160 a26f58cae6624a8b81cc8b85ce66070894432d35

20804855 as geometric shapes

Circle

Radius = n
Diameter 41609710
Circumference 130720759.254
Area 1.3598132208847E+15

Sphere

Radius = n
Volume 3.7720955850119E+22
Surface area 5.4392528835388E+15
Circumference 130720759.254

Square

Length = n
Perimeter 83219420
Area 432841991571025
Diagonal 29422508.104206

Cube

Length = n
Surface area 2597051949426150
Volume 9.0052148725464E+21
Space diagonal 36035065.904103

Equilateral Triangle

Length = n
Perimeter 62414565
Area 1.8742608026258E+14
Altitude 18017532.952052

Triangular Pyramid

Length = n
Surface area 1.8742608026258E+14
Volume 1.0612747504033E+21
Height 9807502.7014019