81682015 (number)

81682015 is an odd 8-digits composite number following 81682014 and preceding 81682016. In scientific notation, it is written as 8.1682015 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 65312640 positive integers (up to 81682015) that are relatively prime to 81682015.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred eighty-two thousand fifteen

Notation

Scientific notation 8.1682015 × 10^7
Engineering notation 8.1682015 × 10^6

Prime Factorization of 81682015

Prime Factorization 5 × 3313 × 4931

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81682015
Product of the distinct prime numbers

The prime factorization of 81682015 is 5 × 3313 × 4931. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81682015)

Multiplication

n×y
n×2 163364030
n×3 245046045
n×4 326728060
n×5 408410075

Division

n÷y
n÷2 40841007.5
n÷3 27227338.333333
n÷3 20420503.75
n÷5 16336403

Exponentiation

ny
n2 6671951574460225
n3 5.4497844858433E+23
n4 4.4514937811942E+31
n5 3.6360698180791E+39

Nth Root

y√n
2√n 9037.8102989607
3√n 433.88584388838
4√n 95.067398717755
5√n 38.231847795491

Divisors of 81682015

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 -81682014
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 81682015 can be divided by 8 positive divisors. The sum of these divisors (counting 81682015) is 1, the average is 0.125.

Base conversion 81682015

Base System Value
2 Binary 100110111100101111001011111
3 Ternary 12200200212122211
4 Quaternary 10313211321133
5 Quinary 131402311030
6 Senary 12034421251
8 Octal 467457137
10 Decimal 81682015
12 Duodecimal 23431827
16 Hexadecimal 4de5e5f
20 Vigesimal 15aa50f
36 Base36 1cmq8v

Cryptographic Hash Functions

md5 83642e9f2d48b0a26df4bcd6f8e36cff
sha1 f946b0b218f01f3789eddcbdcd21fca39fd1accc
sha256 4f9324238ee9d70f122e3bf2fbec8d0dcc6928ff5c56fe7bfb86e5236b303b7a
sha512 c5b823ec45738b93fbce9a9eece3871125b0208d1a988eb3158b1cf58868bb7558e633accea8ada14183d620256e047447c0c89437127e5be7433454b2e96513
ripemd-160 ee90dbbe804237193a98c4752554ff5d46c240f8

81682015 as geometric shapes

Circle

Radius = n
Diameter 163364030
Circumference 513223236.50882
Area 2.0960554051431E+16

Sphere

Radius = n
Volume 2.2828003872497E+24
Surface area 8.3842216205724E+16
Circumference 513223236.50882

Square

Length = n
Perimeter 326728060
Area 6671951574460225
Diagonal 115515813.41496

Cube

Length = n
Surface area 40031709446761350
Volume 5.4497844858433E+23
Space diagonal 141477400.0446

Equilateral Triangle

Length = n
Perimeter 245046045
Area 2.8890397781511E+15
Altitude 70738700.022302

Triangular Pyramid

Length = n
Surface area 2.8890397781511E+15
Volume 6.4226326099084E+22
Height 38505271.138321