81834518 (number)

81834518 is an even 8-digits composite number following 81834517 and preceding 81834519. In scientific notation, it is written as 8.1834518 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 40917258 positive integers (up to 81834518) that are relatively prime to 81834518.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred thirty-four thousand five hundred eighteen

Notation

Scientific notation 8.1834518 × 10^7
Engineering notation 8.1834518 × 10^6

Prime Factorization of 81834518

Prime Factorization 2 × 40917259

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81834518
Product of the distinct prime numbers

The prime factorization of 81834518 is 2 × 40917259. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81834518)

Multiplication

n×y
n×2 163669036
n×3 245503554
n×4 327338072
n×5 409172590

Division

n÷y
n÷2 40917259
n÷3 27278172.666667
n÷3 20458629.5
n÷5 16366903.6

Exponentiation

ny
n2 6696888336292324
n3 5.480366291003E+23
n4 4.4848313388768E+31
n5 3.6701401092828E+39

Nth Root

y√n
2√n 9046.243308689
3√n 434.15570237837
4√n 95.111741171577
5√n 38.246113168555

Divisors of 81834518

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 -81834517
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 81834518 can be divided by 4 positive divisors. The sum of these divisors (counting 81834518) is 1, the average is 0.25.

Base conversion 81834518

Base System Value
2 Binary 100111000001011001000010110
3 Ternary 12200222121212002
4 Quaternary 10320023020112
5 Quinary 131422201033
6 Senary 12041555302
8 Octal 470131026
10 Decimal 81834518
12 Duodecimal 234a5b32
16 Hexadecimal 4e0b216
20 Vigesimal 15b965i
36 Base36 1cpzx2

Cryptographic Hash Functions

md5 a806c8d69fac997e7226a6f1b7dd7dd6
sha1 2b60c6fc9d277128ca7831720e870ff68ad1788d
sha256 5cc44e72ae12aecc9b181047ca5684a685772e2be3025249de020ef2a87e6a3c
sha512 12c2696682dc25535bc5150c642dbc2762132fd32c035bb312caab524e6d7967343ac7eaf243d780b7d9ba18458d8d86a7776b3218881318210df7eb6a7436f6
ripemd-160 d57ce94c2982c03fb52d8cc04cad69876743acb3

81834518 as geometric shapes

Circle

Radius = n
Diameter 163669036
Circumference 514181441.11772
Area 2.1038895199207E+16

Sphere

Radius = n
Volume 2.2956104638395E+24
Surface area 8.4155580796829E+16
Circumference 514181441.11772

Square

Length = n
Perimeter 327338072
Area 6696888336292324
Diagonal 115731485.22587

Cube

Length = n
Surface area 40181330017753944
Volume 5.480366291003E+23
Space diagonal 141741542.98891

Equilateral Triangle

Length = n
Perimeter 245503554
Area 2.8998377127684E+15
Altitude 70870771.494455

Triangular Pyramid

Length = n
Surface area 2.8998377127684E+15
Volume 6.458673612924E+22
Height 38577161.741955