81004081 (number)

81004081 is an odd 8-digits composite number following 81004080 and preceding 81004082. In scientific notation, it is written as 8.1004081 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 80243232 positive integers (up to 81004081) that are relatively prime to 81004081.

Interesting facts

Basic properties

Name

Name eighty-one million four thousand eighty-one

Notation

Scientific notation 8.1004081 × 10^7
Engineering notation 8.1004081 × 10^6

Prime Factorization of 81004081

Prime Factorization 223 × 233 × 1559

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81004081
Product of the distinct prime numbers

The prime factorization of 81004081 is 223 × 233 × 1559. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81004081)

Multiplication

n×y
n×2 162008162
n×3 243012243
n×4 324016324
n×5 405020405

Division

n÷y
n÷2 40502040.5
n÷3 27001360.333333
n÷3 20251020.25
n÷5 16200816.2

Exponentiation

ny
n2 6561661138654561
n3 5.3152133037013E+23
n4 4.3055396898529E+31
n5 3.4876628578556E+39

Nth Root

y√n
2√n 9000.2267193666
3√n 432.68213741525
4√n 94.869524713506
5√n 38.168173687807

Divisors of 81004081

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 -81004080
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 81004081 can be divided by 8 positive divisors. The sum of these divisors (counting 81004081) is 1, the average is 0.125.

Base conversion 81004081

Base System Value
2 Binary 100110101000000011000110001
3 Ternary 12122102102201011
4 Quaternary 10311000120301
5 Quinary 131214112311
6 Senary 12012110521
8 Octal 465003061
10 Decimal 81004081
12 Duodecimal 23165441
16 Hexadecimal 4d40631
20 Vigesimal 1565a41
36 Base36 1c875d

Cryptographic Hash Functions

md5 47dfd95be14dd87f00861a524e44c46b
sha1 db72f7434f1cabeb305d3fa162f9fc041196625f
sha256 82361c315d309f9177c43fdf55fbd5686870cc025c0827b3da46d1fa715025d0
sha512 decbfcedf05fc613540b49ded55f676fcfbc35837da13b2f8ec70188860f3477c3a2ebd38b12cf7425214211d48d7a18f986fdcae0d3e06ea631bb0593a795f2
ripemd-160 95978ce4909b8931e34a5e8597b1b8c0ea27cd47

81004081 as geometric shapes

Circle

Radius = n
Diameter 162008162
Circumference 508963651.56079
Area 2.0614066428543E+16

Sphere

Radius = n
Volume 2.2264313422894E+24
Surface area 8.2456265714171E+16
Circumference 508963651.56079

Square

Length = n
Perimeter 324016324
Area 6561661138654561
Diagonal 114557069.95777

Cube

Length = n
Surface area 39369966831927366
Volume 5.3152133037013E+23
Space diagonal 140303183.91242

Equilateral Triangle

Length = n
Perimeter 243012243
Area 2.84128261855E+15
Altitude 70151591.956212

Triangular Pyramid

Length = n
Surface area 2.84128261855E+15
Volume 6.2640389508335E+22
Height 38185689.985923