18381018 (number)

18381018 is an even 8-digits composite number following 18381017 and preceding 18381019. In scientific notation, it is written as 1.8381018 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5804496 positive integers (up to 18381018) that are relatively prime to 18381018.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-one thousand eighteen

Notation

Scientific notation 1.8381018 × 10^7
Engineering notation 1.8381018 × 10^6

Prime Factorization of 18381018

Prime Factorization 2 × 3 × 19 × 161237

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18381018
Product of the distinct prime numbers

The prime factorization of 18381018 is 2 × 3 × 19 × 161237. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 66, 33, 163, 153, 6424, 7711, 22215, 37874, 57964, 633071, 9222568, 7416379, 22092331, 80772955, 621897781, 807764008, 6285429789, 3999903518

Basic calculations (n = 18381018)

Multiplication

n×y
n×2 36762036
n×3 55143054
n×4 73524072
n×5 91905090

Division

n÷y
n÷2 9190509
n÷3 6127006
n÷3 4595254.5
n÷5 3676203.6

Exponentiation

ny
n2 337861822716324
n3 6.2102442448616E+21
n4 1.141506112492E+29
n5 2.0982044400825E+36

Nth Root

y√n
2√n 4287.3089461806
3√n 263.91040922351
4√n 65.477545358547
5√n 28.370952201374

Divisors of 18381018

1, 2, 3, 6, 19, 38, 57, 114, 161237, 322474, 483711, 967422, 3063503, 6127006, 9190509, 18381018

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18381017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18381018 can be divided by 16 positive divisors. The sum of these divisors (counting 18381018) is 1, the average is 0.0625.

Base conversion 18381018

Base System Value
2 Binary 1000110000111100011011010
3 Ternary 1021120212000110
4 Quaternary 1012013203122
5 Quinary 14201143033
6 Senary 1453545150
8 Octal 106074332
10 Decimal 18381018
12 Duodecimal 61a51b6
16 Hexadecimal 11878da
20 Vigesimal 5ehcai
36 Base36 axyvu

Cryptographic Hash Functions

md5 cc9133f6b91594ed96b4b3c72d5278e2
sha1 de0fd61ff7a594265efbadcfd54a48684c41d239
sha256 a5d6e91e6f8a77b9dc6355874e4799aa0499d7283c3e74b7c5add7d8e35da2ec
sha512 f4a30605a1530519211ceb585fd9dfbc30c572780226995dda4098159b83fdc295afcaf58ec077d0b497058c588d823d74f481033d853615ddb49d896b7c7dd7
ripemd-160 cbec79f695fde86f126e71a865ec5d864c249978

18381018 as geometric shapes

Circle

Radius = n
Diameter 36762036
Circumference 115491342.2286
Area 1.0614242201741E+15

Sphere

Radius = n
Volume 2.6013410262207E+22
Surface area 4.2456968806962E+15
Circumference 115491342.2286

Square

Length = n
Perimeter 73524072
Area 337861822716324
Diagonal 25994684.945824

Cube

Length = n
Surface area 2027170936297944
Volume 6.2102442448616E+21
Space diagonal 31836857.070838

Equilateral Triangle

Length = n
Perimeter 55143054
Area 1.4629846072063E+14
Altitude 15918428.535419

Triangular Pyramid

Length = n
Surface area 1.4629846072063E+14
Volume 7.3188430306106E+20
Height 8664894.9819413