20180405 (number)

20180405 is an odd 8-digits composite number following 20180404 and preceding 20180406. In scientific notation, it is written as 2.0180405 × 10^7. The sum of its digits is 20. It has a total of 6 prime factors and 20 positive divisors. There are 13500480 positive integers (up to 20180405) that are relatively prime to 20180405.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand four hundred five

Notation

Scientific notation 2.0180405 × 10^7
Engineering notation 2.0180405 × 10^6

Prime Factorization of 20180405

Prime Factorization 205 × 7 × 7 × 7 × 7 × 41

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 58835
Product of the distinct prime numbers

The prime factorization of 20180405 is 205 × 7 × 7 × 7 × 7 × 41. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 3, 30, 13, 120, 307, 977, 8054, 18138, 49602, 726478, 215504, 894775, 1595480, 36469185, 62675999, 618465150, 753254892, 624017880, 6907617372

Basic calculations (n = 20180405)

Multiplication

n×y
n×2 40360810
n×3 60541215
n×4 80721620
n×5 100902025

Division

n÷y
n÷2 10090202.5
n÷3 6726801.6666667
n÷3 5045101.25
n÷5 4036081

Exponentiation

ny
n2 407248745964025
n3 8.2184446292961E+21
n4 1.6585154108927E+29
n5 3.3469512690556E+36

Nth Root

y√n
2√n 4492.2605667971
3√n 272.2554774188
4√n 67.024328171173
5√n 28.905865367327

Divisors of 20180405

1, 7, 41, 49, 205, 287, 343, 1435, 2009, 2401, 8405, 10045, 14063, 58835, 70315, 98441, 411845, 492205, 2882915, 20180405

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20180404
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20180405 can be divided by 20 positive divisors. The sum of these divisors (counting 20180405) is 1, the average is 0.05.

Base conversion 20180405

Base System Value
2 Binary 1001100111110110110110101
3 Ternary 1101222021022102
4 Quaternary 1030332312311
5 Quinary 20131233110
6 Senary 2000311445
8 Octal 114766665
10 Decimal 20180405
12 Duodecimal 6912585
16 Hexadecimal 133edb5
20 Vigesimal 662b05
36 Base36 c0jat

Cryptographic Hash Functions

md5 5eddb6121899681aa5ac8a59f1957413
sha1 9f75d719e265eed5e1026403080fba043e8f251d
sha256 3d6986132a5d1958d0b27a57fe3b10d728e3c720607e7be9efe8ec1bd08166ad
sha512 9444cd2ae3164cfbc0b36b217dbaae5b38de4cb096fce25725980e2dbb1a898c49b30fbaf44c8a4c3ff168c9f6ee1c5018b881af7a3a54a8fa0f3144053de1b6
ripemd-160 c78b47b206873bbb75f2485b8dcbb9ffef8b1280

20180405 as geometric shapes

Circle

Radius = n
Diameter 40360810
Circumference 126797224.18893
Area 1.2794096685042E+15

Sphere

Radius = n
Volume 3.4425340361775E+22
Surface area 5.1176386740169E+15
Circumference 126797224.18893

Square

Length = n
Perimeter 80721620
Area 407248745964025
Diagonal 28539402.445182

Cube

Length = n
Surface area 2443492475784150
Volume 8.2184446292961E+21
Space diagonal 34953486.777317

Equilateral Triangle

Length = n
Perimeter 60541215
Area 1.763438798321E+14
Altitude 17476743.388659

Triangular Pyramid

Length = n
Surface area 1.763438798321E+14
Volume 9.6855298803024E+20
Height 9513134.1483939