81008044 (number)

81008044 is an even 8-digits composite number following 81008043 and preceding 81008045. In scientific notation, it is written as 8.1008044 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 36517824 positive integers (up to 81008044) that are relatively prime to 81008044.

Interesting facts

Basic properties

Name

Name eighty-one million eight thousand forty-four

Notation

Scientific notation 8.1008044 × 10^7
Engineering notation 8.1008044 × 10^6

Prime Factorization of 81008044

Prime Factorization 2 × 2 × 13 × 43 × 36229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40504022
Product of the distinct prime numbers

The prime factorization of 81008044 is 2 × 2 × 13 × 43 × 36229. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81008044)

Multiplication

n×y
n×2 162016088
n×3 243024132
n×4 324032176
n×5 405040220

Division

n÷y
n÷2 40504022
n÷3 27002681.333333
n÷3 20252011
n÷5 16201608.8

Exponentiation

ny
n2 6562303192705936
n3 5.3159934577606E+23
n4 4.3063823192999E+31
n5 3.4885160840266E+39

Nth Root

y√n
2√n 9000.4468777945
3√n 432.68919340274
4√n 94.870685028593
5√n 38.168547144331

Divisors of 81008044

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81008043
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81008044 can be divided by 24 positive divisors. The sum of these divisors (counting 81008044) is 1, the average is 0.041666666666667.

Base conversion 81008044

Base System Value
2 Binary 100110101000001010110101100
3 Ternary 12122102122010221
4 Quaternary 10311001112230
5 Quinary 131214224134
6 Senary 12012141124
8 Octal 465012654
10 Decimal 81008044
12 Duodecimal 231677a4
16 Hexadecimal 4d415ac
20 Vigesimal 1566024
36 Base36 1c8a7g

Cryptographic Hash Functions

md5 c33c2090bb2077f4dc7b472fbc86a955
sha1 9e3240ada7911887d1c3a1d098a748a616385872
sha256 10e3bf1d93a237128b4a0aa1b2700effe3d6944d45be7f7c68e25ec6b6645f26
sha512 ccfd0512cc623f38debe370666c17fb25609fa287f44397b6ae0ce8e08b62bf6c6c201a517a430566591dae776c6d53277e638631f22de8162cafbe6c70ea0e3
ripemd-160 b260439c2a3c69bffe2ea5ed30419bf63a908b2e

81008044 as geometric shapes

Circle

Radius = n
Diameter 162016088
Circumference 508988551.82416
Area 2.0616083500834E+16

Sphere

Radius = n
Volume 2.2267581324576E+24
Surface area 8.2464334003335E+16
Circumference 508988551.82416

Square

Length = n
Perimeter 324032176
Area 6562303192705936
Diagonal 114562674.48612

Cube

Length = n
Surface area 39373819156235616
Volume 5.3159934577606E+23
Space diagonal 140310048.02978

Equilateral Triangle

Length = n
Perimeter 243024132
Area 2.8415606361095E+15
Altitude 70155024.014888

Triangular Pyramid

Length = n
Surface area 2.8415606361095E+15
Volume 6.2649583712098E+22
Height 38187558.162039