81710040 (number)

81710040 is an even 8-digits composite number following 81710039 and preceding 81710041. In scientific notation, it is written as 8.1710040 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 16 positive divisors. There are 21789312 positive integers (up to 81710040) that are relatively prime to 81710040.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred ten thousand forty

Notation

Scientific notation 8.1710040 × 10^7
Engineering notation 8.1710040 × 10^6

Prime Factorization of 81710040

Prime Factorization 2 × 2 × 2 × 15 × 680917

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20427510
Product of the distinct prime numbers

The prime factorization of 81710040 is 2 × 2 × 2 × 15 × 680917. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81710040)

Multiplication

n×y
n×2 163420080
n×3 245130120
n×4 326840160
n×5 408550200

Division

n÷y
n÷2 40855020
n÷3 27236680
n÷3 20427510
n÷5 16342008

Exponentiation

ny
n2 6676530636801600
n3 5.4553958539428E+23
n4 4.457606134415E+31
n5 3.642311755473E+39

Nth Root

y√n
2√n 9039.3605968564
3√n 433.93546011617
4√n 95.075552046025
5√n 38.234470895618

Divisors of 81710040

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81710039
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81710040 can be divided by 16 positive divisors. The sum of these divisors (counting 81710040) is 1, the average is 0.0625.

Base conversion 81710040

Base System Value
2 Binary 100110111101100101111011000
3 Ternary 12200202022002210
4 Quaternary 10313230233120
5 Quinary 131404210130
6 Senary 12035155120
8 Octal 467545730
10 Decimal 81710040
12 Duodecimal 23445aa0
16 Hexadecimal 4decbd8
20 Vigesimal 15adf20
36 Base36 1cnbvc

Cryptographic Hash Functions

md5 89b98bdaeef22d01412c7e9c848c1ea2
sha1 cd4cb8b43ee94d36365e7167c31dc12038927c7e
sha256 cf738a53634de3d42ead7209487bd33e2674b0dcd91a815057481b42f7daad21
sha512 48f9c3f5cf56a7b4f9c360fcdf2d0d93f140cba5b9d6ba7a54c6b03e5866809141c84d55d7def1f26d8044eef6380ad3e5eb76aff0c949643686f187314a68d5
ripemd-160 fb16021f2111102e50cfd61f84caf3ec4b3b3b9e

81710040 as geometric shapes

Circle

Radius = n
Diameter 163420080
Circumference 513399322.77706
Area 2.0974939600043E+16

Sphere

Radius = n
Volume 2.2851508716228E+24
Surface area 8.3899758400172E+16
Circumference 513399322.77706

Square

Length = n
Perimeter 326840160
Area 6676530636801600
Diagonal 115555446.75005

Cube

Length = n
Surface area 40059183820809600
Volume 5.4553958539428E+23
Space diagonal 141525940.76849

Equilateral Triangle

Length = n
Perimeter 245130120
Area 2.8910225703076E+15
Altitude 70762970.384243

Triangular Pyramid

Length = n
Surface area 2.8910225703076E+15
Volume 6.4292456706333E+22
Height 38518482.250016