20218809 (number)

20218809 is an odd 8-digits composite number following 20218808 and preceding 20218810. In scientific notation, it is written as 2.0218809 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 12442320 positive integers (up to 20218809) that are relatively prime to 20218809.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighteen thousand eight hundred nine

Notation

Scientific notation 2.0218809 × 10^7
Engineering notation 2.0218809 × 10^6

Prime Factorization of 20218809

Prime Factorization 3 × 13 × 518431

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20218809
Product of the distinct prime numbers

The prime factorization of 20218809 is 3 × 13 × 518431. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 9, 99, 84, 282, 828, 17, 4323, 65065, 90189, 292519, 92404, 3348635, 6532891, 13971008, 18552382, 453888318, 943384597, 4891267113, 6916676898

Basic calculations (n = 20218809)

Multiplication

n×y
n×2 40437618
n×3 60656427
n×4 80875236
n×5 101094045

Division

n÷y
n÷2 10109404.5
n÷3 6739603
n÷3 5054702.25
n÷5 4043761.8

Exponentiation

ny
n2 408800237378481
n3 8.2654539187102E+21
n4 1.671176340807E+29
n5 3.3789195240096E+36

Nth Root

y√n
2√n 4496.5329977662
3√n 272.42807180496
4√n 67.0561928368
5√n 28.916858772001

Divisors of 20218809

1, 3, 13, 39, 518431, 1555293, 6739603, 20218809

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 -20218808
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 20218809 can be divided by 8 positive divisors. The sum of these divisors (counting 20218809) is 1, the average is 0.125.

Base conversion 20218809

Base System Value
2 Binary 1001101001000001110111001
3 Ternary 1102001012222210
4 Quaternary 1031020032321
5 Quinary 20134000214
6 Senary 2001205333
8 Octal 115101671
10 Decimal 20218809
12 Duodecimal 6930849
16 Hexadecimal 13483b9
20 Vigesimal 667709
36 Base36 c1cxl

Cryptographic Hash Functions

md5 12749874b7bd7017a58eb94a01d8c4fd
sha1 86a59af543e78ceb7e197672f65256c433fbb63e
sha256 2f2c3ac625f8eceece6836165edd331da377437f620c40f2a34f5d759c502cd8
sha512 228ca237f21dfb26ae72a0f4241b03aa3cf8359ce8b3ced8c7ff25b29ae442389c5a2a8335a89f140d50f8d90e24dd92f827268c5fc356bdc6d46a870d98878f
ripemd-160 e661ac12b418e48a3944d4388d3638f2f5f1b086

20218809 as geometric shapes

Circle

Radius = n
Diameter 40437618
Circumference 127038523.63747
Area 1.284283822534E+15

Sphere

Radius = n
Volume 3.4622252412806E+22
Surface area 5.137135290136E+15
Circumference 127038523.63747

Square

Length = n
Perimeter 80875236
Area 408800237378481
Diagonal 28593713.902831

Cube

Length = n
Surface area 2452801424270886
Volume 8.2654539187102E+21
Space diagonal 35020004.456531

Equilateral Triangle

Length = n
Perimeter 60656427
Area 1.7701569532144E+14
Altitude 17510002.228265

Triangular Pyramid

Length = n
Surface area 1.7701569532144E+14
Volume 9.7409308591748E+20
Height 9531237.9676104