20685980 (number)

20685980 is an even 8-digits composite number following 20685979 and preceding 20685981. In scientific notation, it is written as 2.0685980 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 7034688 positive integers (up to 20685980) that are relatively prime to 20685980.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0685980 × 10^7
Engineering notation 2.0685980 × 10^6

Prime Factorization of 20685980

Prime Factorization 2 × 2 × 35 × 139 × 1063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10342990
Product of the distinct prime numbers

The prime factorization of 20685980 is 2 × 2 × 35 × 139 × 1063. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 10, 24, 80, 57, 937, 8833, 8109, 51618, 84990, 738934, 55141, 9288098, 1576367, 8640332, 59187765, 750508352, 14059761, 3672737182, 6103115560

Basic calculations (n = 20685980)

Multiplication

n×y
n×2 41371960
n×3 62057940
n×4 82743920
n×5 103429900

Division

n÷y
n÷2 10342990
n÷3 6895326.6666667
n÷3 5171495
n÷5 4137196

Exponentiation

ny
n2 427909768560400
n3 8.8517329142451E+21
n4 1.8310677002942E+29
n5 3.7877429826931E+36

Nth Root

y√n
2√n 4548.1842530839
3√n 274.5103352324
4√n 67.440227261508
5√n 29.049269794389

Divisors of 20685980

1, 2, 4, 35, 70, 139, 140, 278, 556, 1063, 2126, 4252, 4865, 9730, 19460, 37205, 74410, 147757, 148820, 295514, 591028, 5171495, 10342990, 20685980

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 -20685979
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 20685980 can be divided by 24 positive divisors. The sum of these divisors (counting 20685980) is 1, the average is 0.041666666666667.

Base conversion 20685980

Base System Value
2 Binary 1001110111010010010011100
3 Ternary 1102220221211102
4 Quaternary 1032322102130
5 Quinary 20243422410
6 Senary 2015212232
8 Octal 116722234
10 Decimal 20685980
12 Duodecimal 6b17078
16 Hexadecimal 13ba49c
20 Vigesimal 695ej0
36 Base36 cbdek

Cryptographic Hash Functions

md5 86969cb7a06095d6dccc92aed5b2fa8a
sha1 fa0cd365a370dde84f52f3e0bbc0f2f0b9301910
sha256 ea98d71dfd32e595cf7c19e4b12edf9394c980efa4c548e5f240857f0bd63a3a
sha512 991841f9f53848ff1639971adc5941f72dc4846a5d2edde4a89cc4b4a79df89f3afe720f986bb4abd8d93df062337b6918e6dd8a3fff94a7336063256734ec9e
ripemd-160 bf7c1f0f367e2852ebbc3c467dffa27c4e54db9d

20685980 as geometric shapes

Circle

Radius = n
Diameter 41371960
Circumference 129973845.60061
Area 1.3443181853087E+15

Sphere

Radius = n
Volume 3.7078052126575E+22
Surface area 5.3772727412346E+15
Circumference 129973845.60061

Square

Length = n
Perimeter 82743920
Area 427909768560400
Diagonal 29254393.466979

Cube

Length = n
Surface area 2567458611362400
Volume 8.8517329142451E+21
Space diagonal 35829168.364354

Equilateral Triangle

Length = n
Perimeter 62057940
Area 1.8529036505041E+14
Altitude 17914584.182177

Triangular Pyramid

Length = n
Surface area 1.8529036505041E+14
Volume 1.0431867281525E+21
Height 9751464.4889929