181820105 (number)

181820105 is an odd 9-digits composite number following 181820104 and preceding 181820106. In scientific notation, it is written as 1.81820105 × 10^8. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 144995968 positive integers (up to 181820105) that are relatively prime to 181820105.

Interesting facts

Basic properties

Name

Name one hundred eighty-one million eight hundred twenty thousand one hundred five

Notation

Scientific notation 1.81820105 × 10^8
Engineering notation 1.81820105 × 10^6

Prime Factorization of 181820105

Prime Factorization 5 × 317 × 114713

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 181820105
Product of the distinct prime numbers

The prime factorization of 181820105 is 5 × 317 × 114713. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 181820105)

Multiplication

n×y
n×2 363640210
n×3 545460315
n×4 727280420
n×5 909100525

Division

n÷y
n÷2 90910052.5
n÷3 60606701.666667
n÷3 45455026.25
n÷5 36364021

Exponentiation

ny
n2 33058550582211025
n3 6.0107091380054E+24
n4 1.0928677665966E+33
n5 1.9870533207371E+41

Nth Root

y√n
2√n 13484.068562567
3√n 566.51833237784
4√n 116.12092215689
5√n 44.867139379327

Divisors of 181820105

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 -181820104
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 181820105 can be divided by 8 positive divisors. The sum of these divisors (counting 181820105) is 1, the average is 0.125.

Base conversion 181820105

Base System Value
2 Binary 1010110101100101101011001001
3 Ternary 110200010102021222
4 Quaternary 22311211223021
5 Quinary 333021220410
6 Senary 30013011425
8 Octal 1265455311
10 Decimal 181820105
12 Duodecimal 50a83b75
16 Hexadecimal ad65ac9
20 Vigesimal 2gg7a55
36 Base36 3091ah

Cryptographic Hash Functions

md5 dd35a87c714fd339f92719b6f7aba524
sha1 6b667931c3cad0b0a668bd9e7dc947710b74f4f7
sha256 d315bd40addd6b34899c564beac4b0f4868b3f52d6d83608c0b69c63bd645c58
sha512 7db332a3e90b3b47aeabbac816f94e991321573804e5743d773e85779dbb05eda0b2a9556038c0a347bcdcc3f78baa681423e5286f9852480707e28ae7a72b68
ripemd-160 bac4eecd7f719a380106230e8d106a48966206d5

181820105 as geometric shapes

Circle

Radius = n
Diameter 363640210
Circumference 1142409412.2858
Area 1.038564996474E+17

Sphere

Radius = n
Volume 2.5177599561097E+25
Surface area 4.154259985896E+17
Circumference 1142409412.2858

Square

Length = n
Perimeter 727280420
Area 33058550582211025
Diagonal 257132458.4031

Cube

Length = n
Surface area 198351303493266150
Volume 6.0107091380054E+24
Space diagonal 314921659.69751

Equilateral Triangle

Length = n
Perimeter 545460315
Area 1.4314772308244E+16
Altitude 157460829.84875

Triangular Pyramid

Length = n
Surface area 1.4314772308244E+16
Volume 7.0836886520393E+23
Height 85710819.4677