81014745 is an odd 8-digits composite number following 81014744
and preceding 81014746 . In scientific notation, it is written as 8.1014745 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 37035264 positive integers (up to 81014745) that are relatively prime to 81014745.
81014745 has 8 divisors, whose sum is 101847240
The reverse of 81014745 is 54741018
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million fourteen thousand seven hundred forty-five
Scientific notation
8.1014745 × 10^7
Engineering notation
8.1014745 × 10^6
Prime Factorization
5 × 21 × 771569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81014745
Product of the distinct prime numbers
The prime factorization of 81014745 is 5 × 21 × 771569.
Since it has a total of 3 prime factors.
3 , 2 , 56 , 64 , 745 , 273 , 631 , 5972 , 39684 , 30443 , 417757 , 359451 , 1032173 , 971930 , 20846469 , 73062603 , 541802343 , 599425074 , 5893524092 , 598270646
n×2
162029490
n×3
243044235
n×4
324058980
n×5
405073725
n÷2
40507372.5
n÷3
27004915
n÷3
20253686.25
n÷5
16202949
n2
6563388907415025
n3
5.3173127867006E+23
n4
4.3078073949979E+31
n5
3.4899591761487E+39
2 √n
9000.8191293904
3 √n
432.70112378314
4 √n
94.872646897778
5 √n
38.169178585258
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
-81014744
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 81014745 can be divided by 8 positive divisors.
The sum of these divisors (counting 81014745) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101000010111111011001
3
Ternary
12122102222100010
4
Quaternary
10311002333121
5
Quinary
131214432440
6
Senary
12012232133
8
Octal
465027731
10
Decimal
81014745
12
Duodecimal
2316b649
16
Hexadecimal
4d42fd9
20
Vigesimal
1566gh5
36
Base36
1c8fdl
md5
6c559d4ae6baa3ac86413b1db057cc58
sha1
99195d9b71e1f3ce211dadd7de38b619c971fa77
sha256
b079b78d5e4bc258c30a5b1734e3bc4a4a90689753ffe3e77faa6f077cefa310
sha512
47eb418d42ba1f2888a427adf0b3e53db53d35ada0bc34b4a860db1273c8f97651579bd24669ed01f5a9ff1f40269e9ff389fcfe57c6a428ccaf02c37352f8ff
ripemd-160
accf02ccf78b4e8f414c55bce3a4f2c94c78b63d
Diameter
162029490
Circumference
509030655.4489
Area
2.0619494374188E+16
Volume
2.2273107716717E+24
Surface area
8.2477977496751E+16
Circumference
509030655.4489
Perimeter
324058980
Area
6563388907415025
Diagonal
114572151.1312
Surface area
39380333444490150
Volume
5.3173127867006E+23
Space diagonal
140321654.50224
Perimeter
243044235
Area
2.8420307643692E+15
Altitude
70160827.251118
Surface area
2.8420307643692E+15
Volume
6.2665132152765E+22
Height
38190717.043733