181816085 (number)

181816085 is an odd 9-digits composite number following 181816084 and preceding 181816086. In scientific notation, it is written as 1.81816085 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 127963200 positive integers (up to 181816085) that are relatively prime to 181816085.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.81816085 × 10^8
Engineering notation 1.81816085 × 10^6

Prime Factorization of 181816085

Prime Factorization 5 × 11 × 31 × 106637

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 181816085
Product of the distinct prime numbers

The prime factorization of 181816085 is 5 × 11 × 31 × 106637. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 181816085)

Multiplication

n×y
n×2 363632170
n×3 545448255
n×4 727264340
n×5 909080425

Division

n÷y
n÷2 90908042.5
n÷3 60605361.666667
n÷3 45454021.25
n÷5 36363217

Exponentiation

ny
n2 33057088764727225
n3 6.0103104607002E+24
n4 1.0927711175991E+33
n5 1.9868336640293E+41

Nth Root

y√n
2√n 13483.919496942
3√n 566.51415715112
4√n 116.12028029996
5√n 44.866940977181

Divisors of 181816085

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 -181816084
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 181816085 can be divided by 16 positive divisors. The sum of these divisors (counting 181816085) is 1, the average is 0.0625.

Base conversion 181816085

Base System Value
2 Binary 1010110101100100101100010101
3 Ternary 110200010012210002
4 Quaternary 22311210230111
5 Quinary 333021103320
6 Senary 30012541045
8 Octal 1265445425
10 Decimal 181816085
12 Duodecimal 50a81785
16 Hexadecimal ad64b15
20 Vigesimal 2gg7045
36 Base36 308y6t

Cryptographic Hash Functions

md5 c9714c56c0729390ae6c16ba3f5f46ec
sha1 c1be2ab4d93242d6125f0d5d41005bd1d730a6f1
sha256 6d6db74804482afd5c6938241b367526322b897fa108f5bc8733451531e78ae2
sha512 6a653e2417069ae0378fd4a4754dd43a4ef7638de5b3122228db35bc9f664fe2fe3acd20c040c0da6fce36d5103274e4e28bba2ccd6ca9aa53052ae7fe1cba63
ripemd-160 72e8c6506239a65b3df3cff87486101960881e34

181816085 as geometric shapes

Circle

Radius = n
Diameter 363632170
Circumference 1142384153.8809
Area 1.0385190721233E+17

Sphere

Radius = n
Volume 2.5175929585506E+25
Surface area 4.1540762884933E+17
Circumference 1142384153.8809

Square

Length = n
Perimeter 727264340
Area 33057088764727225
Diagonal 257126773.26458

Cube

Length = n
Surface area 198342532588363350
Volume 6.0103104607002E+24
Space diagonal 314914696.85326

Equilateral Triangle

Length = n
Perimeter 545448255
Area 1.4314139322705E+16
Altitude 157457348.42663

Triangular Pyramid

Length = n
Surface area 1.4314139322705E+16
Volume 7.0832188063292E+23
Height 85708924.421526