20409818 (number)

20409818 is an even 8-digits composite number following 20409817 and preceding 20409819. In scientific notation, it is written as 2.0409818 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 8563440 positive integers (up to 20409818) that are relatively prime to 20409818.

Interesting facts

Basic properties

Name

Name twenty million four hundred nine thousand eight hundred eighteen

Notation

Scientific notation 2.0409818 × 10^7
Engineering notation 2.0409818 × 10^6

Prime Factorization of 20409818

Prime Factorization 2 × 143 × 71363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20409818
Product of the distinct prime numbers

The prime factorization of 20409818 is 2 × 143 × 71363. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20409818)

Multiplication

n×y
n×2 40819636
n×3 61229454
n×4 81639272
n×5 102049090

Division

n÷y
n÷2 10204909
n÷3 6803272.6666667
n÷3 5102454.5
n÷5 4081963.6

Exponentiation

ny
n2 416560670793124
n3 8.5019274768456E+21
n4 1.7352279245162E+29
n5 3.5415686127893E+36

Nth Root

y√n
2√n 4517.7226563834
3√n 273.28326897197
4√n 67.214006400329
5√n 28.971289533474

Divisors of 20409818

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 -20409817
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 20409818 can be divided by 8 positive divisors. The sum of these divisors (counting 20409818) is 1, the average is 0.125.

Base conversion 20409818

Base System Value
2 Binary 1001101110110110111011010
3 Ternary 1102101221000012
4 Quaternary 1031312313122
5 Quinary 20211103233
6 Senary 2005241522
8 Octal 115666732
10 Decimal 20409818
12 Duodecimal 6a032a2
16 Hexadecimal 1376dda
20 Vigesimal 67b4ai
36 Base36 c5gbe

Cryptographic Hash Functions

md5 b6c89c5634d9d1fe8dccf55b3ddc8484
sha1 7896fa284c876e26411a64a4bb9584b132dab125
sha256 c289e308cbae6668a9c82897cd3f30965dc3f4469a02de908082217a010dcaf1
sha512 f0000f43b351cef8933d81a02c80a018bcb97ae69f1a91a5951cdea1e667efe4cd1b2d7bef8bcc2a29cd5dc46068923e2c77885114f7a3c209491b1ceb9245e3
ripemd-160 b98f033ec02717d95e0f8df3a91562638b6dba6c

20409818 as geometric shapes

Circle

Radius = n
Diameter 40819636
Circumference 128238668.57981
Area 1.3086639431381E+15

Sphere

Radius = n
Volume 3.5612790536815E+22
Surface area 5.2346557725525E+15
Circumference 128238668.57981

Square

Length = n
Perimeter 81639272
Area 416560670793124
Diagonal 28863841.421167

Cube

Length = n
Surface area 2499364024758744
Volume 8.5019274768456E+21
Space diagonal 35350841.749234

Equilateral Triangle

Length = n
Perimeter 61229454
Area 1.8037606156217E+14
Altitude 17675420.874617

Triangular Pyramid

Length = n
Surface area 1.8037606156217E+14
Volume 1.0019617620056E+21
Height 9621280.4737222