20505968 (number)

20505968 is an even 8-digits composite number following 20505967 and preceding 20505969. In scientific notation, it is written as 2.0505968 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors. There are 8788224 positive integers (up to 20505968) that are relatively prime to 20505968.

Interesting facts

Basic properties

Name

Name twenty million five hundred five thousand nine hundred sixty-eight

Notation

Scientific notation 2.0505968 × 10^7
Engineering notation 2.0505968 × 10^6

Prime Factorization of 20505968

Prime Factorization 2 × 2 × 2 × 2 × 7 × 183089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2563246
Product of the distinct prime numbers

The prime factorization of 20505968 is 2 × 2 × 2 × 2 × 7 × 183089. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 4, 10, 92, 826, 378, 2647, 9422, 44040, 64865, 527526, 400969, 6321087, 6190916, 84468915, 89621650, 983764229, 341115117, 6927131033, 6228721524

Basic calculations (n = 20505968)

Multiplication

n×y
n×2 41011936
n×3 61517904
n×4 82023872
n×5 102529840

Division

n÷y
n÷2 10252984
n÷3 6835322.6666667
n÷3 5126492
n÷5 4101193.6

Exponentiation

ny
n2 420494723617024
n3 8.6226513466595E+21
n4 1.7681581258976E+29
n5 3.6257793948596E+36

Nth Root

y√n
2√n 4528.3515764569
3√n 273.71173975131
4√n 67.29302769572
5√n 28.998534804821

Divisors of 20505968

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 183089, 366178, 732356, 1281623, 1464712, 2563246, 2929424, 5126492, 10252984, 20505968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20505967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20505968 can be divided by 20 positive divisors. The sum of these divisors (counting 20505968) is 1, the average is 0.05.

Base conversion 20505968

Base System Value
2 Binary 1001110001110010101110000
3 Ternary 1102120210220022
4 Quaternary 1032032111300
5 Quinary 20222142333
6 Senary 2011303012
8 Octal 116162560
10 Decimal 20505968
12 Duodecimal 6a4aa68
16 Hexadecimal 138e570
20 Vigesimal 6834i8
36 Base36 c7ii8

Cryptographic Hash Functions

md5 8369342d15ab6a5f166e210aadb30d7e
sha1 7a6aed963bfe4df3cb982cffd0a69bcd1ff93636
sha256 364a418858e512478e3bac5934933155b4ff76a43344e8d287d659d5e98ff0ee
sha512 0baf18b5dfcd1796bed14d7747631800a02524853229c7844995f9375a8d59a1d6e929d955b40333e7e981d88526815af37d2f2302e9792d3262c92d6f4cb9a5
ripemd-160 f234e2d3fb49fda25cba7bdaf208826f3180929c

20505968 as geometric shapes

Circle

Radius = n
Diameter 41011936
Circumference 128842796.84709
Area 1.3210231345885E+15

Sphere

Radius = n
Volume 3.6118477500176E+22
Surface area 5.2840925383541E+15
Circumference 128842796.84709

Square

Length = n
Perimeter 82023872
Area 420494723617024
Diagonal 28999818.055189

Cube

Length = n
Surface area 2522968341702144
Volume 8.6226513466595E+21
Space diagonal 35517378.434382

Equilateral Triangle

Length = n
Perimeter 61517904
Area 1.8207955640483E+14
Altitude 17758689.217191

Triangular Pyramid

Length = n
Surface area 1.8207955640483E+14
Volume 1.016189206505E+21
Height 9666606.0183962