81276075 is an odd 8-digits composite number following 81276074
and preceding 81276076 . In scientific notation, it is written as 8.1276075 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 43222320 positive integers (up to 81276075) that are relatively prime to 81276075.
81276075 has 12 divisors, whose sum is 98537712
The reverse of 81276075 is 57067218
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million two hundred seventy-six thousand seventy-five
Scientific notation
8.1276075 × 10^7
Engineering notation
8.1276075 × 10^6
Prime Factorization
135 × 5 × 347 × 347
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
234225
Product of the distinct prime numbers
The prime factorization of 81276075 is 135 × 5 × 347 × 347.
Since it has a total of 4 prime factors.
7 , 7 , 86 , 78 , 406 , 35 , 4041 , 1784 , 82092 , 12162 , 478072 , 963027 , 7112389 , 8769853 , 49669487 , 78227509 , 573821500 , 913405597 , 905490715 , 9405682668
n×2
162552150
n×3
243828225
n×4
325104300
n×5
406380375
n÷2
40638037.5
n÷3
27092025
n÷3
20319018.75
n÷5
16255215
n2
6605800367405625
n3
5.3689352609629E+23
n4
4.3636598494016E+31
n5
3.5466114519446E+39
2 √n
9015.324453396
3 √n
433.16588040143
4 √n
94.949062414518
5 √n
38.193771407303
1 , 5 , 135 , 347 , 675 , 1735 , 46845 , 120409 , 234225 , 602045 , 16255215 , 81276075
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81276074
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81276075 can be divided by 12 positive divisors.
The sum of these divisors (counting 81276075) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110000010110010101011
3
Ternary
12122221020211000
4
Quaternary
10312002302223
5
Quinary
131301313300
6
Senary
12022010043
8
Octal
466026253
10
Decimal
81276075
12
Duodecimal
23276923
16
Hexadecimal
4d82cab
20
Vigesimal
157ja3f
36
Base36
1ce10r
md5
ae407308f1e3ade52e365120c457938a
sha1
ef37d4a140cd349e9a7358d09d24c28ac4a2f5ce
sha256
a857aa862982fa3e48bae7476464d875b3d57e7bb0af1830e3c929895a4226f1
sha512
b51b86df0b6150238dff766d563df95e770cae8d06bb9ed68a0a68f9ed5f2fa57d906efe66c3a7730e308a3a919a10d84580a52ad533b0c85ff4c3ba33de6f7e
ripemd-160
252377eff6f35680667344e9932cb518e4ada013
Diameter
162552150
Circumference
510672640.26523
Area
2.0752733905322E+16
Volume
2.2489343431254E+24
Surface area
8.3010935621289E+16
Circumference
510672640.26523
Perimeter
325104300
Area
6605800367405625
Diagonal
114941727.56145
Surface area
39634802204433750
Volume
5.3689352609629E+23
Space diagonal
140774291.33978
Perimeter
243828225
Area
2.8603954652509E+15
Altitude
70387145.669889
Surface area
2.8603954652509E+15
Volume
6.3273508846307E+22
Height
38313909.187151