18381649 (number)

18381649 is an odd 8-digits composite number following 18381648 and preceding 18381650. In scientific notation, it is written as 1.8381649 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 15321600 positive integers (up to 18381649) that are relatively prime to 18381649.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-one thousand six hundred forty-nine

Notation

Scientific notation 1.8381649 × 10^7
Engineering notation 1.8381649 × 10^6

Prime Factorization of 18381649

Prime Factorization 11 × 13 × 191 × 673

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18381649
Product of the distinct prime numbers

The prime factorization of 18381649 is 11 × 13 × 191 × 673. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18381649)

Multiplication

n×y
n×2 36763298
n×3 55144947
n×4 73526596
n×5 91908245

Division

n÷y
n÷2 9190824.5
n÷3 6127216.3333333
n÷3 4595412.25
n÷5 3676329.8

Exponentiation

ny
n2 337885019959201
n3 6.210883839248E+21
n4 1.1416628671283E+29
n5 2.0985646099886E+36

Nth Root

y√n
2√n 4287.382534834
3√n 263.91342910635
4√n 65.478107294225
5√n 28.371146987376

Divisors of 18381649

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 -18381648
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 18381649 can be divided by 16 positive divisors. The sum of these divisors (counting 18381649) is 1, the average is 0.0625.

Base conversion 18381649

Base System Value
2 Binary 1000110000111101101010001
3 Ternary 1021120212212211
4 Quaternary 1012013231101
5 Quinary 14201203044
6 Senary 1453552121
8 Octal 106075521
10 Decimal 18381649
12 Duodecimal 61a5641
16 Hexadecimal 1187b51
20 Vigesimal 5ehe29
36 Base36 axzdd

Cryptographic Hash Functions

md5 24e36b5ca5bec93419488271bd0b8856
sha1 8f18403d9cbebe9bb55f9e9197a00768292d570d
sha256 408742e203d6be0a55650a778e5032b41409fda53043859f9a5f467c7ade499e
sha512 bb9e662353a9ed54e934db1fcf69e79171e4a674e8c8c7455034f72ea4d5b6b7243cbad26cd81473ac56a2275f92bc7bf0c49e746785552d0f6f225b2a620679
ripemd-160 2c3048e271e4705fb4867c65c2b5696304c952eb

18381649 as geometric shapes

Circle

Radius = n
Diameter 36763298
Circumference 115495306.91853
Area 1.0614970964619E+15

Sphere

Radius = n
Volume 2.6016089388908E+22
Surface area 4.2459883858475E+15
Circumference 115495306.91853

Square

Length = n
Perimeter 73526596
Area 337885019959201
Diagonal 25995577.314582

Cube

Length = n
Surface area 2027310119755206
Volume 6.210883839248E+21
Space diagonal 31837949.994898

Equilateral Triangle

Length = n
Perimeter 55144947
Area 1.4630850542144E+14
Altitude 15918974.997449

Triangular Pyramid

Length = n
Surface area 1.4630850542144E+14
Volume 7.3195967998237E+20
Height 8665192.4381939