81497695 (number)

81497695 is an odd 8-digits composite number following 81497694 and preceding 81497696. In scientific notation, it is written as 8.1497695 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 64888320 positive integers (up to 81497695) that are relatively prime to 81497695.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand six hundred ninety-five

Notation

Scientific notation 8.1497695 × 10^7
Engineering notation 8.1497695 × 10^6

Prime Factorization of 81497695

Prime Factorization 5 × 211 × 77249

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81497695
Product of the distinct prime numbers

The prime factorization of 81497695 is 5 × 211 × 77249. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81497695)

Multiplication

n×y
n×2 162995390
n×3 244493085
n×4 325990780
n×5 407488475

Division

n÷y
n÷2 40748847.5
n÷3 27165898.333333
n÷3 20374423.75
n÷5 16299539

Exponentiation

ny
n2 6641874290313025
n3 5.4129744514027E+23
n4 4.4114494088321E+31
n5 3.5952295842893E+39

Nth Root

y√n
2√n 9027.6073795885
3√n 433.5592355997
4√n 95.01372205944
5√n 38.21457774285

Divisors of 81497695

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 -81497694
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 81497695 can be divided by 8 positive divisors. The sum of these divisors (counting 81497695) is 1, the average is 0.125.

Base conversion 81497695

Base System Value
2 Binary 100110110111000111001011111
3 Ternary 12200100111211011
4 Quaternary 10312320321133
5 Quinary 131330411240
6 Senary 12030440051
8 Octal 466707137
10 Decimal 81497695
12 Duodecimal 23363027
16 Hexadecimal 4db8e5f
20 Vigesimal 159744f
36 Base36 1cis0v

Cryptographic Hash Functions

md5 e80a861c7ca9a23a66d8e76b9d0f1726
sha1 cb2302193d2d4e364f10fc5257f76785d516385b
sha256 8e934b286c0cfc1afa778942e6712d3fe52b38101c71286d67ae86a0d6932e54
sha512 8f86133f94289f9ac120bd57b782dd6254413daf1ccca556b19bc3ebfe4bca2c149f1f81a95b16678f3ecf755cde234a2099bf3f50cc9941e58c162cc83aa44c
ripemd-160 592f7a67a5df401510dc8e80c93087941741b69c

81497695 as geometric shapes

Circle

Radius = n
Diameter 162995390
Circumference 512065119.793
Area 2.0866063476514E+16

Sphere

Radius = n
Volume 2.2673814360795E+24
Surface area 8.3464253906057E+16
Circumference 512065119.793

Square

Length = n
Perimeter 325990780
Area 6641874290313025
Diagonal 115255145.57115

Cube

Length = n
Surface area 39851245741878150
Volume 5.4129744514027E+23
Space diagonal 141158148.43975

Equilateral Triangle

Length = n
Perimeter 244493085
Area 2.8760159320769E+15
Altitude 70579074.219876

Triangular Pyramid

Length = n
Surface area 2.8760159320769E+15
Volume 6.379251568294E+22
Height 38418381.857049