381818 (number)

381818 is an even 6-digits composite number following 381817 and preceding 381819. In scientific notation, it is written as 3.81818 × 10^5. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 190908 positive integers (up to 381818) that are relatively prime to 381818.

Interesting facts

Basic properties

Name

Name three hundred eighty-one thousand eight hundred eighteen

Notation

Scientific notation 3.81818 × 10^5
Engineering notation 3.81818 × 10^3

Prime Factorization of 381818

Prime Factorization 2 × 190909

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 381818
Product of the distinct prime numbers

The prime factorization of 381818 is 2 × 190909. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 381818)

Multiplication

n×y
n×2 763636
n×3 1145454
n×4 1527272
n×5 1909090

Division

n÷y
n÷2 190909
n÷3 127272.66666667
n÷3 95454.5
n÷5 76363.6

Exponentiation

ny
n2 145784985124
n3 55663331450075432
n4 2.1253261887605E+22
n5 8.1148779474015E+27

Nth Root

y√n
2√n 617.91423353084
3√n 72.546889999887
4√n 24.857880712781
5√n 13.072880150857

Divisors of 381818

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -381817
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 381818 can be divided by 4 positive divisors. The sum of these divisors (counting 381818) is 1, the average is 0.25.

Base conversion 381818

Base System Value
2 Binary 1011101001101111010
3 Ternary 201101202102
4 Quaternary 1131031322
5 Quinary 44204233
6 Senary 12103402
8 Octal 1351572
10 Decimal 381818
12 Duodecimal 164b62
16 Hexadecimal 5d37a
20 Vigesimal 27eai
36 Base36 86m2

Cryptographic Hash Functions

md5 efb4da22b5d1e48dc17fb74623e5c7f8
sha1 c10805dd40a8cbd4ec8b8d706cf0ef69227404ea
sha256 f2c449fd38541c9f6026c121d6357efbcb5d00d157954f7d1f653826f021b561
sha512 31b7ff37006b89cfa8dc9ae697c6145d3fef07613f758913f1f6c00b4aad5cf1e6eaaf8c9265fcab22c4e4d8a1c450f4aa8728bee398495117b51a609fd7d71d
ripemd-160 c1a32d225aee8ac6bae95e9c3aa0d94eee8dbac9

381818 as geometric shapes

Circle

Radius = n
Diameter 763636
Circumference 2399033.2476167
Area 457997038269.26

Sphere

Radius = n
Volume 2.3316201754385E+17
Surface area 1831988153077
Circumference 2399033.2476167

Square

Length = n
Perimeter 1527272
Area 145784985124
Diagonal 539972.19395817

Cube

Length = n
Surface area 874709910744
Volume 55663331450075432
Space diagonal 661328.17524433

Equilateral Triangle

Length = n
Perimeter 1145454
Area 63126750303.86
Altitude 330664.08762217

Triangular Pyramid

Length = n
Surface area 63126750303.86
Volume 6.5599865219638E+15
Height 179990.73131939