81093345 is an odd 8-digits composite number following 81093344
and preceding 81093346 . In scientific notation, it is written as 8.1093345 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 43116480 positive integers (up to 81093345) that are relatively prime to 81093345.
81093345 has 16 divisors, whose sum is 130149312
The reverse of 81093345 is 54339018
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million ninety-three thousand three hundred forty-five
Scientific notation
8.1093345 × 10^7
Engineering notation
8.1093345 × 10^6
Prime Factorization
5 × 3 × 331 × 16333
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81093345
Product of the distinct prime numbers
The prime factorization of 81093345 is 5 × 3 × 331 × 16333.
Since it has a total of 4 prime factors.
8 , 2 , 18 , 10 , 539 , 857 , 3863 , 1874 , 30814 , 73935 , 384517 , 930056 , 3148610 , 6051463 , 45524509 , 33368958 , 307223966 , 537314535 , 2763777045 , 936176073
n×2
162186690
n×3
243280035
n×4
324373380
n×5
405466725
n÷2
40546672.5
n÷3
27031115
n÷3
20273336.25
n÷5
16218669
n2
6576130603289025
n3
5.3328042777758E+23
n4
4.3245493711514E+31
n5
3.5069217412432E+39
2 √n
9005.1843401454
3 √n
432.84101319624
4 √n
94.895649742996
5 √n
38.176582012482
1 , 3 , 5 , 15 , 331 , 993 , 1655 , 4965 , 16333 , 48999 , 81665 , 244995 , 5406223 , 16218669 , 27031115 , 81093345
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81093344
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81093345 can be divided by 16 positive divisors.
The sum of these divisors (counting 81093345) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101010110001011100001
3
Ternary
12122120222011020
4
Quaternary
10311112023201
5
Quinary
131224441340
6
Senary
12014040053
8
Octal
465261341
10
Decimal
81093345
12
Duodecimal
231a9029
16
Hexadecimal
4d562e1
20
Vigesimal
156gd75
36
Base36
1ca40x
md5
a166dcdbb41013a0fc6f17615dca72b3
sha1
cb4914051c265e3e0c6b7efe588f7422dc2f64e9
sha256
4c82b1e5537840530b61be81f70eeedcf2ecd79cc8c4464fca136eb6a58e4e2f
sha512
a25f5c99a8f240ed1b906568486bc851a7c09181c594e4efddfb0d7ca8f70090aff83812f5382bd2d3413b4744f0ed94378036b0bb422459274a560b19c62218
ripemd-160
3bb5da0fd1c7f92a513e74adad3413f698f003ca
Diameter
162186690
Circumference
509524513.81405
Area
2.065952359234E+16
Volume
2.233799832279E+24
Surface area
8.2638094369359E+16
Circumference
509524513.81405
Perimeter
324373380
Area
6576130603289025
Diagonal
114683308.3172
Surface area
39456783619734150
Volume
5.3328042777758E+23
Space diagonal
140457793.69571
Perimeter
243280035
Area
2.8475480805263E+15
Altitude
70228896.847856
Surface area
2.8475480805263E+15
Volume
6.2847701125931E+22
Height
38227769.439067