81332018 (number)

81332018 is an even 8-digits composite number following 81332017 and preceding 81332019. In scientific notation, it is written as 8.1332018 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 40650804 positive integers (up to 81332018) that are relatively prime to 81332018.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty-two thousand eighteen

Notation

Scientific notation 8.1332018 × 10^7
Engineering notation 8.1332018 × 10^6

Prime Factorization of 81332018

Prime Factorization 2 × 3463 × 11743

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81332018
Product of the distinct prime numbers

The prime factorization of 81332018 is 2 × 3463 × 11743. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81332018)

Multiplication

n×y
n×2 162664036
n×3 243996054
n×4 325328072
n×5 406660090

Division

n÷y
n÷2 40666009
n÷3 27110672.666667
n÷3 20333004.5
n÷5 16266403.6

Exponentiation

ny
n2 6614897151952324
n3 5.3800293423074E+23
n4 4.3756864330907E+31
n5 3.5588340773849E+39

Nth Root

y√n
2√n 9018.4265811726
3√n 433.26524150345
4√n 94.96539675678
5√n 38.199027778555

Divisors of 81332018

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 -81332017
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 81332018 can be divided by 8 positive divisors. The sum of these divisors (counting 81332018) is 1, the average is 0.125.

Base conversion 81332018

Base System Value
2 Binary 100110110010000011100110010
3 Ternary 12200001002112222
4 Quaternary 10312100130302
5 Quinary 131310111033
6 Senary 12023121042
8 Octal 466203462
10 Decimal 81332018
12 Duodecimal 232a3182
16 Hexadecimal 4d90732
20 Vigesimal 1586a0i
36 Base36 1cf86q

Cryptographic Hash Functions

md5 01e6a846c8b31d6b3649eebcf4912000
sha1 617ce83c7b38f5c9593225dbac57ef6ae086a3f3
sha256 ffa3cac0c701ba3458d9b863b81abcf989ac216d17a30776b17f4eab6692998f
sha512 296850a5c288be7bfef15ed1b7c17c0602a97288b561d52f8cf7d9ca6a0dbf6c607c7ec685946bc677d0ec3f5c8e3870571dd80f849388ed268bcbff140de13a
ripemd-160 480028dd49bc193254b18316b45e37e160cc6f64

81332018 as geometric shapes

Circle

Radius = n
Diameter 162664036
Circumference 511024140.50087
Area 2.0781312296825E+16

Sphere

Radius = n
Volume 2.253581421052E+24
Surface area 8.3125249187302E+16
Circumference 511024140.50087

Square

Length = n
Perimeter 325328072
Area 6614897151952324
Diagonal 115020842.91077

Cube

Length = n
Surface area 39689382911713944
Volume 5.3800293423074E+23
Space diagonal 140871187.45811

Equilateral Triangle

Length = n
Perimeter 243996054
Area 2.864334488506E+15
Altitude 70435593.729053

Triangular Pyramid

Length = n
Surface area 2.864334488506E+15
Volume 6.3404253848802E+22
Height 38340280.970258