81551166 (number)

81551166 is an even 8-digits composite number following 81551165 and preceding 81551167. In scientific notation, it is written as 8.1551166 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 27183720 positive integers (up to 81551166) that are relatively prime to 81551166.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty-one thousand one hundred sixty-six

Notation

Scientific notation 8.1551166 × 10^7
Engineering notation 8.1551166 × 10^6

Prime Factorization of 81551166

Prime Factorization 2 × 3 × 13591861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81551166
Product of the distinct prime numbers

The prime factorization of 81551166 is 2 × 3 × 13591861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81551166)

Multiplication

n×y
n×2 163102332
n×3 244653498
n×4 326204664
n×5 407755830

Division

n÷y
n÷2 40775583
n÷3 27183722
n÷3 20387791.5
n÷5 16310233.2

Exponentiation

ny
n2 6650592675959556
n3 5.4236358731556E+23
n4 4.4230382941527E+31
n5 3.607039301508E+39

Nth Root

y√n
2√n 9030.5684206477
3√n 433.65403491728
4√n 95.029302957813
5√n 38.219590978209

Divisors of 81551166

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 -81551165
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 81551166 can be divided by 8 positive divisors. The sum of these divisors (counting 81551166) is 1, the average is 0.125.

Base conversion 81551166

Base System Value
2 Binary 100110111000101111100111110
3 Ternary 12200110020011120
4 Quaternary 10313011330332
5 Quinary 131334114131
6 Senary 12031531410
8 Octal 467057476
10 Decimal 81551166
12 Duodecimal 23389b66
16 Hexadecimal 4dc5f3e
20 Vigesimal 159dhi6
36 Base36 1cjxa6

Cryptographic Hash Functions

md5 0b9aed14191ae691db38d98d7a1da0da
sha1 8043709dca25c006c01ce19f742121d2f7309050
sha256 78d8c158e341528cec0a632ad06c450056ea5ffd8f2ddb066a0c845952243bc1
sha512 b2cc16d918f214e7e781dd9758cf6522bb914c8915497ed712cea79618444a7e15c50f2517e1bada400750e6ede6bc57bfb21a3c57b79bb47697ff5e4adc18cd
ripemd-160 bfc37f314165d155c3cea52ed70b47fc6fd3252c

81551166 as geometric shapes

Circle

Radius = n
Diameter 163102332
Circumference 512401087.99456
Area 2.0893453092813E+16

Sphere

Radius = n
Volume 2.2718472819802E+24
Surface area 8.357381237125E+16
Circumference 512401087.99456

Square

Length = n
Perimeter 326204664
Area 6650592675959556
Diagonal 115330764.98454

Cube

Length = n
Surface area 39903556055757336
Volume 5.4236358731556E+23
Space diagonal 141250762.92848

Equilateral Triangle

Length = n
Perimeter 244653498
Area 2.8797911038019E+15
Altitude 70625381.464242

Triangular Pyramid

Length = n
Surface area 2.8797911038019E+15
Volume 6.3918161743249E+22
Height 38443588.32818