81497171 (number)

81497171 is an odd 8-digits composite number following 81497170 and preceding 81497172. In scientific notation, it is written as 8.1497171 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 67601160 positive integers (up to 81497171) that are relatively prime to 81497171.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand one hundred seventy-one

Notation

Scientific notation 8.1497171 × 10^7
Engineering notation 8.1497171 × 10^6

Prime Factorization of 81497171

Prime Factorization 7 × 31 × 375563

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81497171
Product of the distinct prime numbers

The prime factorization of 81497171 is 7 × 31 × 375563. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81497171)

Multiplication

n×y
n×2 162994342
n×3 244491513
n×4 325988684
n×5 407485855

Division

n÷y
n÷2 40748585.5
n÷3 27165723.666667
n÷3 20374292.75
n÷5 16299434.2

Exponentiation

ny
n2 6641788881003241
n3 5.4128700418102E+23
n4 4.4113359539818E+31
n5 3.5951140058011E+39

Nth Root

y√n
2√n 9027.5783574556
3√n 433.55830638926
4√n 95.013569333309
5√n 38.214528601606

Divisors of 81497171

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 -81497170
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 81497171 can be divided by 8 positive divisors. The sum of these divisors (counting 81497171) is 1, the average is 0.125.

Base conversion 81497171

Base System Value
2 Binary 100110110111000110001010011
3 Ternary 12200100111002202
4 Quaternary 10312320301103
5 Quinary 131330402141
6 Senary 12030433415
8 Octal 466706123
10 Decimal 81497171
12 Duodecimal 2336286b
16 Hexadecimal 4db8c53
20 Vigesimal 15972ib
36 Base36 1cirmb

Cryptographic Hash Functions

md5 39e8f6eb32f7a3844e0e2826962d9322
sha1 89b5d2d0fbea8025c381d1ce63d52c8249cbc28a
sha256 76be8001133e83fe4c8aa38e525afbc6ad291d21865dbd8ac6251595365d2507
sha512 9ce6fb9eb7edd594d2f42cd929a6edfe8313f2cf9fc60549a217bbf69d5c4574e37175df74ef2df67aedad1c17acc56b1c508afc302b04d91718fbc70005fc48
ripemd-160 5d677dd0c7e8ac5acc9091056ced83265051633e

81497171 as geometric shapes

Circle

Radius = n
Diameter 162994342
Circumference 512061827.4039
Area 2.0865795155254E+16

Sphere

Radius = n
Volume 2.2673377010916E+24
Surface area 8.3463180621017E+16
Circumference 512061827.4039

Square

Length = n
Perimeter 325988684
Area 6641788881003241
Diagonal 115254404.52324

Cube

Length = n
Surface area 39850733286019446
Volume 5.4128700418102E+23
Space diagonal 141157240.84513

Equilateral Triangle

Length = n
Perimeter 244491513
Area 2.8759789487609E+15
Altitude 70578620.422564

Triangular Pyramid

Length = n
Surface area 2.8759789487609E+15
Volume 6.3791285204092E+22
Height 38418134.84108