121818 (number)

121818 is an even 6-digits composite number following 121817 and preceding 121819. In scientific notation, it is written as 1.21818 × 10^5. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 39936 positive integers (up to 121818) that are relatively prime to 121818.

Interesting facts

Basic properties

Name

Name one hundred twenty-one thousand eight hundred eighteen

Notation

Scientific notation 1.21818 × 10^5
Engineering notation 1.21818 × 10^3

Prime Factorization of 121818

Prime Factorization 2 × 3 × 257 × 79

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121818
Product of the distinct prime numbers

The prime factorization of 121818 is 2 × 3 × 257 × 79. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121818)

Multiplication

n×y
n×2 243636
n×3 365454
n×4 487272
n×5 609090

Division

n÷y
n÷2 60909
n÷3 40606
n÷3 30454.5
n÷5 24363.6

Exponentiation

ny
n2 14839625124
n3 1807733453355432
n4 2.2021447382085E+20
n5 2.6826086771909E+25

Nth Root

y√n
2√n 349.02435445109
3√n 49.572081496144
4√n 18.682193512837
5√n 10.402609429082

Divisors of 121818

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 -121817
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 121818 can be divided by 16 positive divisors. The sum of these divisors (counting 121818) is 1, the average is 0.0625.

Base conversion 121818

Base System Value
2 Binary 11101101111011010
3 Ternary 20012002210
4 Quaternary 131233122
5 Quinary 12344233
6 Senary 2335550
8 Octal 355732
10 Decimal 121818
12 Duodecimal 5a5b6
16 Hexadecimal 1dbda
20 Vigesimal f4ai
36 Base36 2lzu

Cryptographic Hash Functions

md5 39f22768286d3e3202467c988d3be66a
sha1 bf30ebc81713123135c8da2bdde3e2d45fc846f2
sha256 51bd230202ec402251cc0c93e08090ba30bdff61ff7fa46251882dab3e10bacb
sha512 019eaa6b9ff67c24af10265066aa8d0ace41028289c65243f3c6bd0c75c286e45f26f7dd30b54366d6e833fcc79fbc482a9cb586e91853bdf55e30feae273fb8
ripemd-160 e4a1528472c232ae38cca6030a257e6e363744d2

121818 as geometric shapes

Circle

Radius = n
Diameter 243636
Circumference 765405.06775
Area 46620057271.585

Sphere

Radius = n
Volume 7.5722161822799E+15
Surface area 186480229086.34
Circumference 765405.06775

Square

Length = n
Perimeter 487272
Area 14839625124
Diagonal 172276.66774117

Cube

Length = n
Surface area 89037750744
Volume 1807733453355432
Space diagonal 210994.96527643

Equilateral Triangle

Length = n
Perimeter 365454
Area 6425746170.0109
Altitude 105497.48263821

Triangular Pyramid

Length = n
Surface area 6425746170.0109
Volume 2.1304343057423E+14
Height 57425.555913722