181820109 (number)

181820109 is an odd 9-digits composite number following 181820108 and preceding 181820110. In scientific notation, it is written as 1.81820109 × 10^8. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 117937296 positive integers (up to 181820109) that are relatively prime to 181820109.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.81820109 × 10^8
Engineering notation 1.81820109 × 10^6

Prime Factorization of 181820109

Prime Factorization 111 × 1638019

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 181820109
Product of the distinct prime numbers

The prime factorization of 181820109 is 111 × 1638019. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 181820109)

Multiplication

n×y
n×2 363640218
n×3 545460327
n×4 727280436
n×5 909100545

Division

n÷y
n÷2 90910054.5
n÷3 60606703
n÷3 45455027.25
n÷5 36364021.8

Exponentiation

ny
n2 33058552036771881
n3 6.010709534708E+24
n4 1.092867862768E+33
n5 1.9870535393107E+41

Nth Root

y√n
2√n 13484.06871089
3√n 566.51833653226
4√n 116.12092279555
5√n 44.86713957674

Divisors of 181820109

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -181820108
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 181820109 can be divided by 4 positive divisors. The sum of these divisors (counting 181820109) is 1, the average is 0.25.

Base conversion 181820109

Base System Value
2 Binary 1010110101100101101011001101
3 Ternary 110200010102022010
4 Quaternary 22311211223031
5 Quinary 333021220414
6 Senary 30013011433
8 Octal 1265455315
10 Decimal 181820109
12 Duodecimal 50a83b79
16 Hexadecimal ad65acd
20 Vigesimal 2gg7a59
36 Base36 3091al

Cryptographic Hash Functions

md5 13985dd8dd956ffdff93456f8b843df9
sha1 9369c7737a5b1c3d80b7ab200a89f4480fa76222
sha256 9018beb5ccb2099d5db8415c943c47b1f57d9b5f4305ede3cae2f7a0816a5e13
sha512 1a2012670cd228affda2e31f47e980f40ff8f1e0b1a78ca534f7f7aeb19f6d2014b26c9e1542118de68d4766e11c16fe0d3f53ef152bf38bd84215ffb84039ae
ripemd-160 4e30f470f15c6efa17506be89e64a42e364b2ff5

181820109 as geometric shapes

Circle

Radius = n
Diameter 363640218
Circumference 1142409437.4186
Area 1.0385650421704E+17

Sphere

Radius = n
Volume 2.5177601222801E+25
Surface area 4.1542601686815E+17
Circumference 1142409437.4186

Square

Length = n
Perimeter 727280436
Area 33058552036771881
Diagonal 257132464.05995

Cube

Length = n
Surface area 198351312220631286
Volume 6.010709534708E+24
Space diagonal 314921666.62571

Equilateral Triangle

Length = n
Perimeter 545460327
Area 1.4314772938087E+16
Altitude 157460833.31286

Triangular Pyramid

Length = n
Surface area 1.4314772938087E+16
Volume 7.0836891195578E+23
Height 85710821.353318