81682011 (number)

81682011 is an odd 8-digits composite number following 81682010 and preceding 81682012. In scientific notation, it is written as 8.1682011 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 54454668 positive integers (up to 81682011) that are relatively prime to 81682011.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1682011 × 10^7
Engineering notation 8.1682011 × 10^6

Prime Factorization of 81682011

Prime Factorization 9 × 9075779

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81682011
Product of the distinct prime numbers

The prime factorization of 81682011 is 9 × 9075779. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81682011)

Multiplication

n×y
n×2 163364022
n×3 245046033
n×4 326728044
n×5 408410055

Division

n÷y
n÷2 40841005.5
n÷3 27227337
n÷3 20420502.75
n÷5 16336402.2

Exponentiation

ny
n2 6671950921004121
n3 5.4497836852092E+23
n4 4.4514929092288E+31
n5 3.6360689277805E+39

Nth Root

y√n
2√n 9037.8100776682
3√n 433.88583680586
4√n 95.067397553884
5√n 38.231847421045

Divisors of 81682011

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81682010
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81682011 can be divided by 4 positive divisors. The sum of these divisors (counting 81682011) is 1, the average is 0.25.

Base conversion 81682011

Base System Value
2 Binary 100110111100101111001011011
3 Ternary 12200200212122200
4 Quaternary 10313211321123
5 Quinary 131402311021
6 Senary 12034421243
8 Octal 467457133
10 Decimal 81682011
12 Duodecimal 23431823
16 Hexadecimal 4de5e5b
20 Vigesimal 15aa50b
36 Base36 1cmq8r

Cryptographic Hash Functions

md5 fa99c3b1d4bb480f752b89ebeb7b92f6
sha1 f86d2ca8ee745079d2d68b0d8f079304670fba01
sha256 de7a4946b9a760a7ea67ecf7f162853146cbcc4d2c3244b309bfa12eced0fd62
sha512 e35582958e38286811eef8623ae1cc50090fdd9fdce91e5fb8acc1fe7cdbf68734350f2f2f89ef4eb9007c9ba144d26238f31c253a90ff4ed1d38cef80c59285
ripemd-160 e5c3b826cc5cec259026e3a9d559eaf1349e5e14

81682011 as geometric shapes

Circle

Radius = n
Diameter 163364022
Circumference 513223211.37608
Area 2.0960551998538E+16

Sphere

Radius = n
Volume 2.2828000518809E+24
Surface area 8.3842207994153E+16
Circumference 513223211.37608

Square

Length = n
Perimeter 326728044
Area 6671950921004121
Diagonal 115515807.75811

Cube

Length = n
Surface area 40031705526024726
Volume 5.4497836852092E+23
Space diagonal 141477393.1164

Equilateral Triangle

Length = n
Perimeter 245046033
Area 2.8890394951963E+15
Altitude 70738696.5582

Triangular Pyramid

Length = n
Surface area 2.8890394951963E+15
Volume 6.422631666352E+22
Height 38505269.252703