181997284 (number)

181997284 is an even 9-digits composite number following 181997283 and preceding 181997285. In scientific notation, it is written as 1.81997284 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 77998824 positive integers (up to 181997284) that are relatively prime to 181997284.

Interesting facts

Basic properties

Name

Name one hundred eighty-one million nine hundred ninety-seven thousand two hundred eighty-four

Notation

Scientific notation 1.81997284 × 10^8
Engineering notation 1.81997284 × 10^6

Prime Factorization of 181997284

Prime Factorization 2 × 2 × 7 × 6499903

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 90998642
Product of the distinct prime numbers

The prime factorization of 181997284 is 2 × 2 × 7 × 6499903. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 80, 3, 856, 647, 5924, 7370, 67267, 48099, 767018, 700827, 6341666, 8112905, 80225144, 6075983, 303066678, 412996679, 2707913975, 7459513946

Basic calculations (n = 181997284)

Multiplication

n×y
n×2 363994568
n×3 545991852
n×4 727989136
n×5 909986420

Division

n÷y
n÷2 90998642
n÷3 60665761.333333
n÷3 45499321
n÷5 36399456.8

Exponentiation

ny
n2 33123011383376656
n3 6.0282981096756E+24
n4 1.0971338831033E+33
n5 1.9967538690917E+41

Nth Root

y√n
2√n 13490.636901199
3√n 566.70229180103
4√n 116.14920103556
5√n 44.875880346735

Divisors of 181997284

1, 2, 4, 7, 14, 28, 6499903, 12999806, 25999612, 45499321, 90998642, 181997284

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -181997283
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 181997284 can be divided by 12 positive divisors. The sum of these divisors (counting 181997284) is 1, the average is 0.083333333333333.

Base conversion 181997284

Base System Value
2 Binary 1010110110010000111011100100
3 Ternary 110200110102100011
4 Quaternary 22312100323210
5 Quinary 333042403114
6 Senary 30020500004
8 Octal 1266207344
10 Decimal 181997284
12 Duodecimal 50b4a604
16 Hexadecimal ad90ee4
20 Vigesimal 2gh9d44
36 Base36 30cu04

Cryptographic Hash Functions

md5 60068acfb017e620224f5a1d06515381
sha1 5b4bfa3fa590090f77cdfe3393ccefd9d9402dc2
sha256 c498533d8daaacbcd2d2818c05dd0fb5b9f1027166f18d7ce094c0bfa27c5f07
sha512 78ed1310097c848cb36693ef4e8840e85877690d1ab8fa65760f4446c3ac07db58d9c322ab89e0255578a5a01afc1b2891af99f429a5ceca545aab5c63b59bcf
ripemd-160 bd28849b6ada7f731493bbc814c5f072acf68333

181997284 as geometric shapes

Circle

Radius = n
Diameter 363994568
Circumference 1143522660.7754
Area 1.0405900922679E+17

Sphere

Radius = n
Volume 2.5251276073342E+25
Surface area 4.1623603690715E+17
Circumference 1143522660.7754

Square

Length = n
Perimeter 727989136
Area 33123011383376656
Diagonal 257383027.34787

Cube

Length = n
Surface area 198738068300259936
Volume 6.0282981096756E+24
Space diagonal 315228542.72754

Equilateral Triangle

Length = n
Perimeter 545991852
Area 1.4342684653923E+16
Altitude 157614271.36377

Triangular Pyramid

Length = n
Surface area 1.4342684653923E+16
Volume 7.1044174539428E+23
Height 85794342.449289