20685040 (number)

20685040 is an even 8-digits composite number following 20685039 and preceding 20685041. In scientific notation, it is written as 2.0685040 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors. There are 8273984 positive integers (up to 20685040) that are relatively prime to 20685040.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand forty

Notation

Scientific notation 2.0685040 × 10^7
Engineering notation 2.0685040 × 10^6

Prime Factorization of 20685040

Prime Factorization 2 × 2 × 2 × 2 × 5 × 258563

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2585630
Product of the distinct prime numbers

The prime factorization of 20685040 is 2 × 2 × 2 × 2 × 5 × 258563. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 8, 36, 38, 809, 164, 1430, 2222, 45556, 27253, 31675, 689111, 9337470, 9878707, 39766772, 52448314, 726235368, 119576585, 140932527, 6293472391

Basic calculations (n = 20685040)

Multiplication

n×y
n×2 41370080
n×3 62055120
n×4 82740160
n×5 103425200

Division

n÷y
n÷2 10342520
n÷3 6895013.3333333
n÷3 5171260
n÷5 4137008

Exponentiation

ny
n2 427870879801600
n3 8.8505262635313E+21
n4 1.830734897822E+29
n5 3.7868824590843E+36

Nth Root

y√n
2√n 4548.080913968
3√n 274.50617712429
4√n 67.439461103778
5√n 29.049005781662

Divisors of 20685040

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 258563, 517126, 1034252, 1292815, 2068504, 2585630, 4137008, 5171260, 10342520, 20685040

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 -20685039
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 20685040 can be divided by 20 positive divisors. The sum of these divisors (counting 20685040) is 1, the average is 0.05.

Base conversion 20685040

Base System Value
2 Binary 1001110111010000011110000
3 Ternary 1102220220112121
4 Quaternary 1032322003300
5 Quinary 20243410130
6 Senary 2015204024
8 Octal 116720360
10 Decimal 20685040
12 Duodecimal 6b16614
16 Hexadecimal 13ba0f0
20 Vigesimal 695cc0
36 Base36 cbcog

Cryptographic Hash Functions

md5 503b9a6d6c55b27ee393376c5e54fe27
sha1 e927aaa1de2eb95b37fa3909591f639a682ac3a0
sha256 2f3064ef03fed090eb63d9a0b16b56ac83bbb7800220753781b21ab6d37de500
sha512 79bbeb8f7574d4b92b63328c521e558eb73be2976a3a7f8df761e1cb045c7d60a42b070c3e3ca7117b9f657fca9d01f6a99f231d632ff8f26b725dc7cb3ec598
ripemd-160 db69bcfbc05f0d6d1148e75375aa9304825bcb13

20685040 as geometric shapes

Circle

Radius = n
Diameter 41370080
Circumference 129967939.40642
Area 1.3441960126697E+15

Sphere

Radius = n
Volume 3.7072997719885E+22
Surface area 5.3767840506788E+15
Circumference 129967939.40642

Square

Length = n
Perimeter 82740160
Area 427870879801600
Diagonal 29253064.10623

Cube

Length = n
Surface area 2567225278809600
Volume 8.8505262635313E+21
Space diagonal 35827540.236595

Equilateral Triangle

Length = n
Perimeter 62055120
Area 1.8527352572389E+14
Altitude 17913770.118297

Triangular Pyramid

Length = n
Surface area 1.8527352572389E+14
Volume 1.0430445230021E+21
Height 9751021.3687433