20805005 (number)

20805005 is an odd 8-digits composite number following 20805004 and preceding 20805006. In scientific notation, it is written as 2.0805005 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 15301440 positive integers (up to 20805005) that are relatively prime to 20805005.

Interesting facts

Basic properties

Name

Name twenty million eight hundred five thousand five

Notation

Scientific notation 2.0805005 × 10^7
Engineering notation 2.0805005 × 10^6

Prime Factorization of 20805005

Prime Factorization 13 × 5 × 967 × 331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20805005
Product of the distinct prime numbers

The prime factorization of 20805005 is 13 × 5 × 967 × 331. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 13, 92, 499, 602, 8928, 5903, 48080, 39880, 84265, 953300, 9257968, 3707691, 68358593, 96366112, 209166484, 589426612, 7989176713, 5465758385

Basic calculations (n = 20805005)

Multiplication

n×y
n×2 41610010
n×3 62415015
n×4 83220020
n×5 104025025

Division

n÷y
n÷2 10402502.5
n÷3 6935001.6666667
n÷3 5201251.25
n÷5 4161001

Exponentiation

ny
n2 432848233050025
n3 9.0054096528469E+21
n4 1.8735759285453E+29
n5 3.8979756561264E+36

Nth Root

y√n
2√n 4561.2503768156
3√n 275.03583004221
4√n 67.537029671252
5√n 29.082622421192

Divisors of 20805005

1, 5, 13, 65, 331, 967, 1655, 4303, 4835, 12571, 21515, 62855, 320077, 1600385, 4161001, 20805005

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 -20805004
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 20805005 can be divided by 16 positive divisors. The sum of these divisors (counting 20805005) is 1, the average is 0.0625.

Base conversion 20805005

Base System Value
2 Binary 1001111010111010110001101
3 Ternary 1110011000002202
4 Quaternary 1033113112031
5 Quinary 20311230010
6 Senary 2021531245
8 Octal 117272615
10 Decimal 20805005
12 Duodecimal 6b73b25
16 Hexadecimal 13d758d
20 Vigesimal 6a0ca5
36 Base36 cdx8t

Cryptographic Hash Functions

md5 ddaa9547669aae6f5e5b4d8f838dd955
sha1 a6b0695198e531bfd1584c50b4c51719f44e14e6
sha256 bab7e39e94835bc6efb7613b44a9db84a78ff4993429fa7bf4b2317a08cda485
sha512 c94ad5a274ab6552f4095297ebf9c396c6e5f55261f7148109856199a7c7085d50f6698cc40cfe8e5e8a5b46da6e54e8ffe58b0c55a322e2af40b3724a58cee4
ripemd-160 41f4fd67e470dd59a761a0b677364af1657debec

20805005 as geometric shapes

Circle

Radius = n
Diameter 41610010
Circumference 130721701.7318
Area 1.3598328290693E+15

Sphere

Radius = n
Volume 3.7721771743934E+22
Surface area 5.4393313162771E+15
Circumference 130721701.7318

Square

Length = n
Perimeter 83220020
Area 432848233050025
Diagonal 29422720.23624

Cube

Length = n
Surface area 2597089398300150
Volume 9.0054096528469E+21
Space diagonal 36035325.711725

Equilateral Triangle

Length = n
Perimeter 62415015
Area 1.8742878290226E+14
Altitude 18017662.855862

Triangular Pyramid

Length = n
Surface area 1.8742878290226E+14
Volume 1.0612977054818E+21
Height 9807573.41208