18981105 (number)

18981105 is an odd 8-digits composite number following 18981104 and preceding 18981106. In scientific notation, it is written as 1.8981105 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 8494080 positive integers (up to 18981105) that are relatively prime to 18981105.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-one thousand one hundred five

Notation

Scientific notation 1.8981105 × 10^7
Engineering notation 1.8981105 × 10^6

Prime Factorization of 18981105

Prime Factorization 165 × 13 × 8849

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18981105
Product of the distinct prime numbers

The prime factorization of 18981105 is 165 × 13 × 8849. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18981105)

Multiplication

n×y
n×2 37962210
n×3 56943315
n×4 75924420
n×5 94905525

Division

n÷y
n÷2 9490552.5
n÷3 6327035
n÷3 4745276.25
n÷5 3796221

Exponentiation

ny
n2 360282347021025
n3 6.8385570584525E+21
n4 1.2980336957498E+29
n5 2.4638113872565E+36

Nth Root

y√n
2√n 4356.73099927
3√n 266.75168035992
4√n 66.005537640943
5√n 28.553825317409

Divisors of 18981105

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 -18981104
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 18981105 can be divided by 8 positive divisors. The sum of these divisors (counting 18981105) is 1, the average is 0.125.

Base conversion 18981105

Base System Value
2 Binary 1001000011010000011110001
3 Ternary 1022201100011220
4 Quaternary 1020122003301
5 Quinary 14324343410
6 Senary 1514455253
8 Octal 110320361
10 Decimal 18981105
12 Duodecimal 6434529
16 Hexadecimal 121a0f1
20 Vigesimal 5iccf5
36 Base36 batwx

Cryptographic Hash Functions

md5 54c1a05dfce6129c9b9e96a2db438a46
sha1 83a1958d5765e18a9772216da748c4d23108b3fb
sha256 d71ddfed21d41208006572e59699789427b9a0ced766b15167735f956b438f1c
sha512 5bc38f305d096d559dde05c66d9fc188906f3382585715eb92f8f134517d0ce22e03128ef62de23f56f6452738330a687ffbcb0a8115beaf4f2ae7b5835bb0a7
ripemd-160 b55b406e038902ad954063e717c62d21ced9c679

18981105 as geometric shapes

Circle

Radius = n
Diameter 37962210
Circumference 119261800.05003
Area 1.1318603746193E+15

Sphere

Radius = n
Volume 2.8645280821319E+22
Surface area 4.5274414984774E+15
Circumference 119261800.05003

Square

Length = n
Perimeter 75924420
Area 360282347021025
Diagonal 26843336.119828

Cube

Length = n
Surface area 2161694082126150
Volume 6.8385570584525E+21
Space diagonal 32876238.2438

Equilateral Triangle

Length = n
Perimeter 56943315
Area 1.5600683252764E+14
Altitude 16438119.1219

Triangular Pyramid

Length = n
Surface area 1.5600683252764E+14
Volume 8.0593167826048E+20
Height 8947778.7066093