20686918 (number)

20686918 is an even 8-digits composite number following 20686917 and preceding 20686919. In scientific notation, it is written as 2.0686918 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 8526000 positive integers (up to 20686918) that are relatively prime to 20686918.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-six thousand nine hundred eighteen

Notation

Scientific notation 2.0686918 × 10^7
Engineering notation 2.0686918 × 10^6

Prime Factorization of 20686918

Prime Factorization 2 × 7 × 7 × 7279 × 29

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2955274
Product of the distinct prime numbers

The prime factorization of 20686918 is 2 × 7 × 7 × 7279 × 29. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 1, 45, 90, 435, 366, 6153, 5253, 18653, 62621, 761689, 857711, 159468, 8312875, 89417495, 40588625, 933281567, 780249960, 3841372701, 3248126353

Basic calculations (n = 20686918)

Multiplication

n×y
n×2 41373836
n×3 62060754
n×4 82747672
n×5 103434590

Division

n÷y
n÷2 10343459
n÷3 6895639.3333333
n÷3 5171729.5
n÷5 4137383.6

Exponentiation

ny
n2 427948576338724
n3 8.8529371069359E+21
n4 1.8313998399034E+29
n5 3.7886018313295E+36

Nth Root

y√n
2√n 4548.2873699888
3√n 274.51448436791
4√n 67.440991763088
5√n 29.04953323582

Divisors of 20686918

1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7279, 14558, 50953, 101906, 211091, 356671, 422182, 713342, 1477637, 2955274, 10343459, 20686918

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20686917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20686918 can be divided by 24 positive divisors. The sum of these divisors (counting 20686918) is 1, the average is 0.041666666666667.

Base conversion 20686918

Base System Value
2 Binary 1001110111010100001000110
3 Ternary 1102221000010011
4 Quaternary 1032322201012
5 Quinary 20243440133
6 Senary 2015220434
8 Octal 116724106
10 Decimal 20686918
12 Duodecimal 6b1771a
16 Hexadecimal 13ba846
20 Vigesimal 695h5i
36 Base36 cbe4m

Cryptographic Hash Functions

md5 1c0cd33b6b1a787aa00504eab57fe30d
sha1 a730c66b2926869a560bc4d959817f456366a89f
sha256 3a58f5ef9fb5f529b37702bac4aa38b0181675bc9fc0b4594403929a90b0d034
sha512 268143116fc4bae203ce9d220a8d031cf34192c923937e12f8303dd9cf4466c9095adb6809d93682db9c1f1aebea1c65c2319ceb3e678ebae420a8ddb12ef496
ripemd-160 86f18eb334d5ec195c519959d50e39478a09ffd4

20686918 as geometric shapes

Circle

Radius = n
Diameter 41373836
Circumference 129979739.22843
Area 1.3444401035399E+15

Sphere

Radius = n
Volume 3.7083096237123E+22
Surface area 5.3777604141598E+15
Circumference 129979739.22843

Square

Length = n
Perimeter 82747672
Area 427948576338724
Diagonal 29255719.9993

Cube

Length = n
Surface area 2567691458032344
Volume 8.8529371069359E+21
Space diagonal 35830793.028011

Equilateral Triangle

Length = n
Perimeter 62060754
Area 1.8530716931136E+14
Altitude 17915396.514006

Triangular Pyramid

Length = n
Surface area 1.8530716931136E+14
Volume 1.0433286436221E+21
Height 9751906.6664334