381817818 (number)

381817818 is an even 9-digits composite number following 381817817 and preceding 381817819. In scientific notation, it is written as 3.81817818 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 127272600 positive integers (up to 381817818) that are relatively prime to 381817818.

Interesting facts

Basic properties

Name

Name three hundred eighty-one million eight hundred seventeen thousand eight hundred eighteen

Notation

Scientific notation 3.81817818 × 10^8
Engineering notation 3.81817818 × 10^6

Prime Factorization of 381817818

Prime Factorization 2 × 9 × 21212101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 381817818
Product of the distinct prime numbers

The prime factorization of 381817818 is 2 × 9 × 21212101. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 7, 19, 45, 287, 746, 3905, 8003, 48884, 77867, 6965, 890580, 9280336, 9671789, 93890258, 39549021, 26863561, 256899731, 2458495636, 3906873529

Basic calculations (n = 381817818)

Multiplication

n×y
n×2 763635636
n×3 1145453454
n×4 1527271272
n×5 1909089090

Division

n÷y
n÷2 190908909
n÷3 127272606
n÷3 95454454.5
n÷5 76363563.6

Exponentiation

ny
n2 145784846142281124
n3 5.5663251851511E+25
n4 2.1253221364729E+34
n5 8.1148586069516E+42

Nth Root

y√n
2√n 19540.159108871
3√n 725.46878472985
4√n 139.78611915663
5√n 52.044068316888

Divisors of 381817818

1, 2, 9, 18, 21212101, 42424202, 190908909, 381817818

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 -381817817
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 381817818 can be divided by 8 positive divisors. The sum of these divisors (counting 381817818) is 1, the average is 0.125.

Base conversion 381817818

Base System Value
2 Binary 10110110000100001001111011010
3 Ternary 222121110100120200
4 Quaternary 112300201033122
5 Quinary 1240221132233
6 Senary 101515403030
8 Octal 2660411732
10 Decimal 381817818
12 Duodecimal a7a53476
16 Hexadecimal 16c213da
20 Vigesimal 5j674ai
36 Base36 6bboii

Cryptographic Hash Functions

md5 2811fe7853d12f02272090461f1a312f
sha1 5c961e62b763032219694f585b3cf088b40813e8
sha256 a656edd4537010e89cfa1255a5ba25e61f99bf2fdd05cc98af8b400a5490bc31
sha512 6d56e194c69ecc34bb22c9b0250fc2753ecd4a8c04078ed49177bd8a553882b902b370986fbdd1e9865e2676f4a9426d6fa8332e82ca4fdcbff7bc373db6a672
ripemd-160 9161e73b02720c4af89bb5ae4701556acbedb047

381817818 as geometric shapes

Circle

Radius = n
Diameter 763635636
Circumference 2399032104.077
Area 4.5799660164531E+17

Sphere

Radius = n
Volume 2.3316168412217E+26
Surface area 1.8319864065812E+18
Circumference 2399032104.077

Square

Length = n
Perimeter 1527271272
Area 145784846142281124
Diagonal 539971936.5713

Cube

Length = n
Surface area 874709076853686744
Volume 5.5663251851511E+25
Space diagonal 661327860.01109

Equilateral Triangle

Length = n
Perimeter 1145453454
Area 6.3126690123011E+16
Altitude 330663930.00554

Triangular Pyramid

Length = n
Surface area 6.3126690123011E+16
Volume 6.5599771411831E+24
Height 179990645.52377