81094772 is an even 8-digits composite number following 81094771
and preceding 81094773 . In scientific notation, it is written as 8.1094772 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 36861240 positive integers (up to 81094772) that are relatively prime to 81094772.
81094772 has 12 divisors, whose sum is 154817376
The reverse of 81094772 is 27749018
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million ninety-four thousand seven hundred seventy-two
Scientific notation
8.1094772 × 10^7
Engineering notation
8.1094772 × 10^6
Prime Factorization
2 × 2 × 11 × 1843063
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40547386
Product of the distinct prime numbers
The prime factorization of 81094772 is 2 × 2 × 11 × 1843063.
Since it has a total of 4 prime factors.
2 , 6 , 84 , 22 , 449 , 190 , 6034 , 2075 , 58579 , 90505 , 412751 , 234569 , 88024 , 9577838 , 16374334 , 59560956 , 503153189 , 621028734 , 9607792009 , 206074791
n×2
162189544
n×3
243284316
n×4
324379088
n×5
405473860
n÷2
40547386
n÷3
27031590.666667
n÷3
20273693
n÷5
16218954.4
n2
6576362045731984
n3
5.3330858068809E+23
n4
4.3248537756544E+31
n5
3.5072303087003E+39
2 √n
9005.2635719339
3 √n
432.84355208318
4 √n
94.896067210048
5 √n
38.176716370238
1 , 2 , 4 , 11 , 22 , 44 , 1843063 , 3686126 , 7372252 , 20273693 , 40547386 , 81094772
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81094771
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81094772 can be divided by 12 positive divisors.
The sum of these divisors (counting 81094772) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101010110100001110100
3
Ternary
12122121001010002
4
Quaternary
10311112201310
5
Quinary
131230013042
6
Senary
12014050432
8
Octal
465264164
10
Decimal
81094772
12
Duodecimal
231a9a18
16
Hexadecimal
4d56874
20
Vigesimal
156ggic
36
Base36
1ca54k
md5
274c770057a24058a48bc58952afe5b9
sha1
e57fededec95453392aa57ddcd3db8e9af6cc4a3
sha256
d73c12ca7cdd67c0cec5eea93873469b1c9e696f8be4c0658a60f86b99e50aa7
sha512
d8b6122362ab7969e0e99049db6223def995fee871484b76b303933934f49674c9c5b14423537d142fb8999ae47fb2c26a7462720e3f79c71140600db69d47e1
ripemd-160
be461d7b6cc22b2dbb29a63e497550969fed332a
Diameter
162189544
Circumference
509533479.91948
Area
2.0660250690218E+16
Volume
2.2339177589148E+24
Surface area
8.2641002760873E+16
Circumference
509533479.91948
Perimeter
324379088
Area
6576362045731984
Diagonal
114685326.39995
Surface area
39458172274391904
Volume
5.3330858068809E+23
Space diagonal
140460265.33221
Perimeter
243284316
Area
2.8476482980438E+15
Altitude
70230132.666107
Surface area
2.8476482980438E+15
Volume
6.2851018978253E+22
Height
38228442.133318