81159622 is an even 8-digits composite number following 81159621
and preceding 81159623 . In scientific notation, it is written as 8.1159622 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 40098240 positive integers (up to 81159622) that are relatively prime to 81159622.
81159622 has 16 divisors, whose sum is 123193152
The reverse of 81159622 is 22695118
Previous prime number is 271
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million one hundred fifty-nine thousand six hundred twenty-two
Scientific notation
8.1159622 × 10^7
Engineering notation
8.1159622 × 10^6
Prime Factorization
2 × 137 × 271 × 1093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81159622
Product of the distinct prime numbers
The prime factorization of 81159622 is 2 × 137 × 271 × 1093.
Since it has a total of 4 prime factors.
6 , 6 , 59 , 78 , 43 , 995 , 6296 , 727 , 39136 , 46723 , 343370 , 22141 , 4039052 , 8722566 , 12353593 , 11239607 , 952784939 , 462840575 , 2390141909 , 2647680807
n×2
162319244
n×3
243478866
n×4
324638488
n×5
405798110
n÷2
40579811
n÷3
27053207.333333
n÷3
20289905.5
n÷5
16231924.4
n2
6586884243182884
n3
5.3458903533448E+23
n4
4.3387044033091E+31
n5
3.521276093423E+39
2 √n
9008.8635243298
3 √n
432.95890035473
4 √n
94.915033184053
5 √n
38.182820261888
1 , 2 , 137 , 271 , 274 , 542 , 1093 , 2186 , 37127 , 74254 , 149741 , 296203 , 299482 , 592406 , 40579811 , 81159622
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
-81159621
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 81159622 can be divided by 16 positive divisors.
The sum of these divisors (counting 81159622) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101100110010111000110
3
Ternary
12122201100001221
4
Quaternary
10311212113012
5
Quinary
131234101442
6
Senary
12015310554
8
Octal
465462706
10
Decimal
81159622
12
Duodecimal
2321b45a
16
Hexadecimal
4d665c6
20
Vigesimal
1574j12
36
Base36
1cbj5y
md5
ca86bb72a82a482a4c7120b7ee45d548
sha1
4080abc14c1c9739c1dfd984728bbd987ccc5ff6
sha256
50edd67956d0c1ea249a3ac3071c18774849171ff9cd2fc05a4fc317f2de3db9
sha512
ab7b07257e1653d16437de762452106f52d61d1bdd8ea5219ac32e88723d4a256ebf4a418e152ac356f431473da795df6838c74208660775a637e56abc1c77fb
ripemd-160
3dd5aed5571b0f09470fc31554b35008cb63ef6b
Diameter
162319244
Circumference
509940944.48665
Area
2.069330714843E+16
Volume
2.2392813147953E+24
Surface area
8.2773228593719E+16
Circumference
509940944.48665
Perimeter
324638488
Area
6586884243182884
Diagonal
114777038.14947
Surface area
39521305459097304
Volume
5.3458903533448E+23
Space diagonal
140572588.82708
Perimeter
243478866
Area
2.8522045431919E+15
Altitude
70286294.413542
Surface area
2.8522045431919E+15
Volume
6.3001922005497E+22
Height
38259012.716491