81093071 is an odd 8-digits composite number following 81093070
and preceding 81093072 . In scientific notation, it is written as 8.1093071 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 81066192 positive integers (up to 81093071) that are relatively prime to 81093071.
81093071 has 4 divisors, whose sum is 81119952
The reverse of 81093071 is 17039018
Previous prime number is 3463
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million ninety-three thousand seventy-one
Scientific notation
8.1093071 × 10^7
Engineering notation
8.1093071 × 10^6
Prime Factorization
3463 × 23417
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81093071
Product of the distinct prime numbers
The prime factorization of 81093071 is 3463 × 23417.
Since it has a total of 2 prime factors.
4 , 9 , 17 , 24 , 674 , 656 , 9480 , 6719 , 23366 , 89027 , 801825 , 328206 , 6162858 , 6426414 , 67296931 , 94723032 , 158378889 , 506832925 , 6561238648 , 984131719
n×2
162186142
n×3
243279213
n×4
324372284
n×5
405465355
n÷2
40546535.5
n÷3
27031023.666667
n÷3
20273267.75
n÷5
16218614.2
n2
6576086164211041
n3
5.3327502221648E+23
n4
4.3244909239128E+31
n5
3.5068624953172E+39
2 √n
9005.1691266739
3 √n
432.84052569807
4 √n
94.895569584011
5 √n
38.17655621407
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81093070
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81093071 can be divided by 4 positive divisors.
The sum of these divisors (counting 81093071) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101010110000111001111
3
Ternary
12122120221210002
4
Quaternary
10311112013033
5
Quinary
131224434241
6
Senary
12014034515
8
Octal
465260717
10
Decimal
81093071
12
Duodecimal
231a8a3b
16
Hexadecimal
4d561cf
20
Vigesimal
156gcdb
36
Base36
1ca3tb
md5
e6650e6025ee2e15694d07eae418f314
sha1
642cf77e2d7f038c5ba1f6dd8c21f6a91819df83
sha256
ce93cacd84937f62f066725b216645e44947bb8ed491b1104fdf80f0aae6be7c
sha512
1fa7e5818f8cea129e254d9cfdd5c5586d9b4f95a7db5c222f4089c3901b8733da09239467f6146c05ed56488d8ecfc96544bd72f3b5fe3c4c0ae8bf8f316488
ripemd-160
34593335c23f0c75a3ec439a9921451190108281
Diameter
162186142
Circumference
509522792.22127
Area
2.0659383982859E+16
Volume
2.2337771895177E+24
Surface area
8.2637535931436E+16
Circumference
509522792.22127
Perimeter
324372284
Area
6576086164211041
Diagonal
114682920.82268
Surface area
39456516985266246
Volume
5.3327502221648E+23
Space diagonal
140457319.11379
Perimeter
243279213
Area
2.8475288378411E+15
Altitude
70228659.556895
Surface area
2.8475288378411E+15
Volume
6.2847064074447E+22
Height
38227640.274228