20181709 (number)

20181709 is an odd 8-digits composite number following 20181708 and preceding 20181710. In scientific notation, it is written as 2.0181709 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 19424832 positive integers (up to 20181709) that are relatively prime to 20181709.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand seven hundred nine

Notation

Scientific notation 2.0181709 × 10^7
Engineering notation 2.0181709 × 10^6

Prime Factorization of 20181709

Prime Factorization 29 × 389 × 1789

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20181709
Product of the distinct prime numbers

The prime factorization of 20181709 is 29 × 389 × 1789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181709)

Multiplication

n×y
n×2 40363418
n×3 60545127
n×4 80726836
n×5 100908545

Division

n÷y
n÷2 10090854.5
n÷3 6727236.3333333
n÷3 5045427.25
n÷5 4036341.8

Exponentiation

ny
n2 407301378160681
n3 8.2200378893378E+21
n4 1.6589441265159E+29
n5 3.3480327608603E+36

Nth Root

y√n
2√n 4492.4057029614
3√n 272.26134141568
4√n 67.025410874991
5√n 28.906238920526

Divisors of 20181709

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 -20181708
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 20181709 can be divided by 8 positive divisors. The sum of these divisors (counting 20181709) is 1, the average is 0.125.

Base conversion 20181709

Base System Value
2 Binary 1001100111111001011001101
3 Ternary 1101222100002201
4 Quaternary 1030333023031
5 Quinary 20131303314
6 Senary 2000321501
8 Octal 114771315
10 Decimal 20181709
12 Duodecimal 6913291
16 Hexadecimal 133f2cd
20 Vigesimal 662e59
36 Base36 c0kb1

Cryptographic Hash Functions

md5 52e52e7e1a27d9a9670ce3f6cc82b42d
sha1 1a2f857d865dee8beb880c39804255814aee0f7f
sha256 7178353b1b0663f1f1cb4ac4ed7bff6948f9e550665ca558967ab6cd94be0dcf
sha512 c8f25a672bd05f31b969b9dc2d28989abe1db7be88ef98bdbfc6b88a97a1a8ce8440591005c730e118a8df3d84b40f3039ff956a05d98eeb70900e152f03f31f
ripemd-160 89432023bfed9fceb2ae0990e7a54133b7a7264f

20181709 as geometric shapes

Circle

Radius = n
Diameter 40363418
Circumference 126805417.46257
Area 1.2795750174266E+15

Sphere

Radius = n
Volume 3.4432014193831E+22
Surface area 5.1183000697064E+15
Circumference 126805417.46257

Square

Length = n
Perimeter 80726836
Area 407301378160681
Diagonal 28541246.579667

Cube

Length = n
Surface area 2443808268964086
Volume 8.2200378893378E+21
Space diagonal 34955745.37157

Equilateral Triangle

Length = n
Perimeter 60545127
Area 1.7636667024178E+14
Altitude 17477872.685785

Triangular Pyramid

Length = n
Surface area 1.7636667024178E+14
Volume 9.6874075552685E+20
Height 9513748.8598891