18648081 (number)

18648081 is an odd 8-digits composite number following 18648080 and preceding 18648082. In scientific notation, it is written as 1.8648081 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 11880000 positive integers (up to 18648081) that are relatively prime to 18648081.

Interesting facts

Basic properties

Name

Name eighteen million six hundred forty-eight thousand eighty-one

Notation

Scientific notation 1.8648081 × 10^7
Engineering notation 1.8648081 × 10^6

Prime Factorization of 18648081

Prime Factorization 9 × 31 × 89 × 751

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18648081
Product of the distinct prime numbers

The prime factorization of 18648081 is 9 × 31 × 89 × 751. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 64, 75, 80, 230, 2304, 6197, 78012, 74686, 20404, 823364, 810270, 9190600, 75805021, 21767638, 210557876, 865291568, 9872165275, 6336855588

Basic calculations (n = 18648081)

Multiplication

n×y
n×2 37296162
n×3 55944243
n×4 74592324
n×5 93240405

Division

n÷y
n÷2 9324040.5
n÷3 6216027
n÷3 4662020.25
n÷5 3729616.2

Exponentiation

ny
n2 347750924982561
n3 6.4848874168997E+21
n4 1.2093070582623E+29
n5 2.2551255976346E+36

Nth Root

y√n
2√n 4318.342390316
3√n 265.18241149229
4√n 65.714095826664
5√n 28.452919122343

Divisors of 18648081

1, 9, 31, 89, 279, 751, 801, 2759, 6759, 23281, 24831, 66839, 209529, 601551, 2072009, 18648081

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 -18648080
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 18648081 can be divided by 16 positive divisors. The sum of these divisors (counting 18648081) is 1, the average is 0.0625.

Base conversion 18648081

Base System Value
2 Binary 1000111001000110000010001
3 Ternary 1022002102100200
4 Quaternary 1013020300101
5 Quinary 14233214311
6 Senary 1503405413
8 Octal 107106021
10 Decimal 18648081
12 Duodecimal 62b3869
16 Hexadecimal 11c8c11
20 Vigesimal 5gb041
36 Base36 b3oy9

Cryptographic Hash Functions

md5 efc5f335e781942e31fa14d189ba4b33
sha1 7ab4e1df070cb9832b6e7cfa256c83be5352dae8
sha256 424f5605f74306b544f22c5f60ad9b12859d64bb2dde3913761655de158c60e3
sha512 d627ddf49d3dda38537010789f36d5ede33169039f95087e5a02a3dac0b1e763cdee39816e5a9f84f3380b8341a9f3f613c72bcd8143b51171bc11563aae4a4f
ripemd-160 97679cf6a01131520645563e1d3baf7b983b65d1

18648081 as geometric shapes

Circle

Radius = n
Diameter 37296162
Circumference 117169348.54629
Area 1.0924917512043E+15

Sphere

Radius = n
Volume 2.7163832891052E+22
Surface area 4.3699670048171E+15
Circumference 117169348.54629

Square

Length = n
Perimeter 74592324
Area 347750924982561
Diagonal 26372369.062432

Cube

Length = n
Surface area 2086505549895366
Volume 6.4848874168997E+21
Space diagonal 32299423.75566

Equilateral Triangle

Length = n
Perimeter 55944243
Area 1.5058056761222E+14
Altitude 16149711.87783

Triangular Pyramid

Length = n
Surface area 1.5058056761222E+14
Volume 7.6425131128685E+20
Height 8790789.6874773