18105 (number)

18105 is an odd 5-digits composite number following 18104 and preceding 18106. In scientific notation, it is written as 1.8105 × 10^4. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 8960 positive integers (up to 18105) that are relatively prime to 18105.

Interesting facts

Basic properties

Name

Name eighteen thousand one hundred five

Notation

Scientific notation 1.8105 × 10^4
Engineering notation 1.8105 × 10^3

Prime Factorization of 18105

Prime Factorization 15 × 17 × 71

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18105
Product of the distinct prime numbers

The prime factorization of 18105 is 15 × 17 × 71. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 1, 39, 24, 210, 928, 7279, 4099, 43196, 57768, 503634, 331504, 2776712, 4167857, 91773844, 5375918, 308288442, 621940063, 966440210, 2696758643

Basic calculations (n = 18105)

Multiplication

n×y
n×2 36210
n×3 54315
n×4 72420
n×5 90525

Division

n÷y
n÷2 9052.5
n÷3 6035
n÷3 4526.25
n÷5 3621

Exponentiation

ny
n2 327791025
n3 5934656507625
n4 107446956070550625
n5 1.9453271396573E+21

Nth Root

y√n
2√n 134.55482154126
3√n 26.25827403573
4√n 11.599776788424
5√n 7.1049284025005

Divisors of 18105

1, 15, 17, 71, 255, 1065, 1207, 18105

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 -18104
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 18105 can be divided by 8 positive divisors. The sum of these divisors (counting 18105) is 1, the average is 0.125.

Base conversion 18105

Base System Value
2 Binary 100011010111001
3 Ternary 220211120
4 Quaternary 10122321
5 Quinary 1034410
6 Senary 215453
8 Octal 43271
10 Decimal 18105
12 Duodecimal a589
16 Hexadecimal 46b9
20 Vigesimal 2555
36 Base36 dyx

Cryptographic Hash Functions

md5 adad0f2b196a1ed3e3b9d9025c397132
sha1 851a7b029649bd12368446bd5170b922bc818c13
sha256 c5ad500f4c18ebcf9b1ff326ac98480e650145cf6473e1e403365a12479b5e44
sha512 d24408ddacd7c4b6696125a5c514adb76e38cd3107b1654503a7ec0314cebc1369c99003f121f63ccb0890dedb0c7d63f9e12d9d0397341223b86842a196566e
ripemd-160 6d015845fb0f0d7412eaaf2a0f070d06e169d50e

18105 as geometric shapes

Circle

Radius = n
Diameter 36210
Circumference 113757.06998649
Area 1029785876.0527

Sphere

Radius = n
Volume 24859031047911
Surface area 4119143504.2107
Circumference 113757.06998649

Square

Length = n
Perimeter 72420
Area 327791025
Diagonal 25604.336546765

Cube

Length = n
Surface area 1966746150
Volume 5934656507625
Space diagonal 31358.779871035

Equilateral Triangle

Length = n
Perimeter 54315
Area 141937677.39127
Altitude 15679.389935517

Triangular Pyramid

Length = n
Surface area 141937677.39127
Volume 699405976759.09
Height 8534.7788489216