18381885 (number)

18381885 is an odd 8-digits composite number following 18381884 and preceding 18381886. In scientific notation, it is written as 1.8381885 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 9803664 positive integers (up to 18381885) that are relatively prime to 18381885.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8381885 × 10^7
Engineering notation 1.8381885 × 10^6

Prime Factorization of 18381885

Prime Factorization 5 × 3 × 1225459

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18381885
Product of the distinct prime numbers

The prime factorization of 18381885 is 5 × 3 × 1225459. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18381885)

Multiplication

n×y
n×2 36763770
n×3 55145655
n×4 73527540
n×5 91909425

Division

n÷y
n÷2 9190942.5
n÷3 6127295
n÷3 4595471.25
n÷5 3676377

Exponentiation

ny
n2 337893696153225
n3 6.2111230649135E+21
n4 1.1417214990009E+29
n5 2.0986993296662E+36

Nth Root

y√n
2√n 4287.4100573656
3√n 263.91455855349
4√n 65.478317459795
5√n 28.371219837818

Divisors of 18381885

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 -18381884
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 18381885 can be divided by 8 positive divisors. The sum of these divisors (counting 18381885) is 1, the average is 0.125.

Base conversion 18381885

Base System Value
2 Binary 1000110000111110000111101
3 Ternary 1021120220012120
4 Quaternary 1012013300331
5 Quinary 14201210020
6 Senary 1453553153
8 Octal 106076075
10 Decimal 18381885
12 Duodecimal 61a57b9
16 Hexadecimal 1187c3d
20 Vigesimal 5ehee5
36 Base36 axzjx

Cryptographic Hash Functions

md5 38769c42084a0674a723b8df2c028158
sha1 60230d259b3ed54b5805534bcbe68ebcd035707b
sha256 39d714eba466dbbe02cda7cde78eaa077fc149df5ca1ba08a953a7faf357bcf0
sha512 6e7fad3e40c0df4e767f1a8056418f65c2f3cec170b92e4bc206892d2b86c8f63214b366b80a7925c82ccdb52efef6d01d14ffda3b8a070ca9390832c088e403
ripemd-160 0f97caa358231a8afa846f5ee21158ae36114c91

18381885 as geometric shapes

Circle

Radius = n
Diameter 36763770
Circumference 115496789.75026
Area 1.0615243535293E+15

Sphere

Radius = n
Volume 2.6017091455033E+22
Surface area 4.2460974141171E+15
Circumference 115496789.75026

Square

Length = n
Perimeter 73527540
Area 337893696153225
Diagonal 25995911.068983

Cube

Length = n
Surface area 2027362176919350
Volume 6.2111230649135E+21
Space diagonal 31838358.758888

Equilateral Triangle

Length = n
Perimeter 55145655
Area 1.4631226232366E+14
Altitude 15919179.379444

Triangular Pyramid

Length = n
Surface area 1.4631226232366E+14
Volume 7.3198787299742E+20
Height 8665303.6896609