20684989 (number)

20684989 is an odd 8-digits composite number following 20684988 and preceding 20684990. In scientific notation, it is written as 2.0684989 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 18923520 positive integers (up to 20684989) that are relatively prime to 20684989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0684989 × 10^7
Engineering notation 2.0684989 × 10^6

Prime Factorization of 20684989

Prime Factorization 13 × 113 × 14081

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20684989
Product of the distinct prime numbers

The prime factorization of 20684989 is 13 × 113 × 14081. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20684989)

Multiplication

n×y
n×2 41369978
n×3 62054967
n×4 82739956
n×5 103424945

Division

n÷y
n÷2 10342494.5
n÷3 6894996.3333333
n÷3 5171247.25
n÷5 4136997.8

Exponentiation

ny
n2 427868769930121
n3 8.8504607994481E+21
n4 1.8307168428151E+29
n5 3.7868357755746E+36

Nth Root

y√n
2√n 4548.0753072041
3√n 274.5059515212
4√n 67.439419534899
5√n 29.048991457293

Divisors of 20684989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20684988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20684989 can be divided by 8 positive divisors. The sum of these divisors (counting 20684989) is 1, the average is 0.125.

Base conversion 20684989

Base System Value
2 Binary 1001110111010000010111101
3 Ternary 1102220220110201
4 Quaternary 1032322002331
5 Quinary 20243404424
6 Senary 2015203501
8 Octal 116720275
10 Decimal 20684989
12 Duodecimal 6b16591
16 Hexadecimal 13ba0bd
20 Vigesimal 695c99
36 Base36 cbcn1

Cryptographic Hash Functions

md5 368ccbeeee0de2af9c93bc81bf578b55
sha1 7dbc9b7effa1870cbc7f24aa3d126061d4653a09
sha256 ff9ab1c1be539d417965e6b27a95bc90dc53bb3bb958dd5523fb5689b8a432b5
sha512 380ab96188abb445ab0b5614e5a52f52c025213fb4fc6da7f4b3c886edfc16cb655ac177231367c17bf0e53a3c792468240e250eb565a3973258e1b9ff7f76f8
ripemd-160 50053dd667ee57c0b762f749877f4d5e5a0c6993

20684989 as geometric shapes

Circle

Radius = n
Diameter 41369978
Circumference 129967618.96397
Area 1.344189384313E+15

Sphere

Radius = n
Volume 3.7072723504574E+22
Surface area 5.3767575372519E+15
Circumference 129967618.96397

Square

Length = n
Perimeter 82739956
Area 427868769930121
Diagonal 29252991.981338

Cube

Length = n
Surface area 2567212619580726
Volume 8.8504607994481E+21
Space diagonal 35827451.902003

Equilateral Triangle

Length = n
Perimeter 62054967
Area 1.8527261212274E+14
Altitude 17913725.951002

Triangular Pyramid

Length = n
Surface area 1.8527261212274E+14
Volume 1.0430368079859E+21
Height 9750997.3271128