81094782 is an even 8-digits composite number following 81094781
and preceding 81094783 . In scientific notation, it is written as 8.1094782 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 26679456 positive integers (up to 81094782) that are relatively prime to 81094782.
81094782 has 32 divisors, whose sum is 164320128
The reverse of 81094782 is 28749018
Previous prime number is 293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million ninety-four thousand seven hundred eighty-two
Scientific notation
8.1094782 × 10^7
Engineering notation
8.1094782 × 10^6
Prime Factorization
2 × 3 × 163 × 293 × 283
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81094782
Product of the distinct prime numbers
The prime factorization of 81094782 is 2 × 3 × 163 × 293 × 283.
Since it has a total of 5 prime factors.
8 , 8 , 92 , 71 , 379 , 550 , 344 , 3923 , 62303 , 37079 , 987370 , 177830 , 7989283 , 1290447 , 40862818 , 91203195 , 425978508 , 94165372 , 6784076839 , 9566262225
n×2
162189564
n×3
243284346
n×4
324379128
n×5
405473910
n÷2
40547391
n÷3
27031594
n÷3
20273695.5
n÷5
16218956.4
n2
6576363667627524
n3
5.3330877797897E+23
n4
4.3248559088891E+31
n5
3.5072324711278E+39
2 √n
9005.2641271647
3 √n
432.84356987485
4 √n
94.896070135516
5 √n
38.176717311771
1 , 2 , 3 , 6 , 163 , 283 , 293 , 326 , 489 , 566 , 586 , 849 , 879 , 978 , 1698 , 1758 , 46129 , 47759 , 82919 , 92258 , 95518 , 138387 , 143277 , 165838 , 248757 , 276774 , 286554 , 497514 , 13515797 , 27031594 , 40547391 , 81094782
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81094781
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81094782 can be divided by 32 positive divisors.
The sum of these divisors (counting 81094782) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110101010110100001111110
3
Ternary
12122121001010110
4
Quaternary
10311112201332
5
Quinary
131230013112
6
Senary
12014050450
8
Octal
465264176
10
Decimal
81094782
12
Duodecimal
231a9a26
16
Hexadecimal
4d5687e
20
Vigesimal
156ggj2
36
Base36
1ca54u
md5
a385677acec786fba520a78b46e53091
sha1
a0862010c2b3a3ff93d778a46b51b8ed1e75045f
sha256
cbdc838efca2e5de550fc6ca15430d280c3abebf6423e7dc47d0b71b0ca67479
sha512
4169d987879908c92d61338d7133f6afd356d4aa0166bb8d5ac6ec3de3d28850254eb16e94d3306760f2991483ac38d5c6b30f9809d88087d4b462c2ead65037
ripemd-160
3c397e2d93e10fcec3eae6d1a0f2ecfbff0bb77a
Diameter
162189564
Circumference
509533542.75133
Area
2.0660255785553E+16
Volume
2.2339185853249E+24
Surface area
8.2641023142214E+16
Circumference
509533542.75133
Perimeter
324379128
Area
6576363667627524
Diagonal
114685340.54209
Surface area
39458182005765144
Volume
5.3330877797897E+23
Space diagonal
140460282.65272
Perimeter
243284346
Area
2.8476490003452E+15
Altitude
70230141.326361
Surface area
2.8476490003452E+15
Volume
6.2851042229207E+22
Height
38228446.847363