81306052 is an even 8-digits composite number following 81306051
and preceding 81306053 . In scientific notation, it is written as 8.1306052 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 39787976 positive integers (up to 81306052) that are relatively prime to 81306052.
81306052 has 12 divisors, whose sum is 145313280
The reverse of 81306052 is 25060318
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million three hundred six thousand fifty-two
Scientific notation
8.1306052 × 10^7
Engineering notation
8.1306052 × 10^6
Prime Factorization
2 × 2 × 47 × 432479
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40653026
Product of the distinct prime numbers
The prime factorization of 81306052 is 2 × 2 × 47 × 432479.
Since it has a total of 4 prime factors.
7 , 1 , 55 , 53 , 291 , 330 , 3618 , 8909 , 5913 , 99854 , 890365 , 49314 , 4247532 , 7284094 , 48684396 , 50661253 , 449215611 , 94382520 , 5025810237 , 709099493
n×2
162612104
n×3
243918156
n×4
325224208
n×5
406530260
n÷2
40653026
n÷3
27102017.333333
n÷3
20326513
n÷5
16261210.4
n2
6610674091826704
n3
5.3748781146511E+23
n4
4.3701011948349E+31
n5
3.5531567499251E+39
2 √n
9016.9868581472
3 √n
433.21912861544
4 √n
94.95781620355
5 √n
38.196588388337
1 , 2 , 4 , 47 , 94 , 188 , 432479 , 864958 , 1729916 , 20326513 , 40653026 , 81306052
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
-81306051
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 81306052 can be divided by 12 positive divisors.
The sum of these divisors (counting 81306052) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110001010000111000100
3
Ternary
12122222202221021
4
Quaternary
10312022013010
5
Quinary
131303243202
6
Senary
12022400524
8
Octal
466120704
10
Decimal
81306052
12
Duodecimal
23290144
16
Hexadecimal
4d8a1c4
20
Vigesimal
158352c
36
Base36
1ceo5g
md5
32fd5878570f2ee34f0c3be3c9260d2b
sha1
b53898f6bae624d2fad94ae47d36c1d6b06ce717
sha256
d1620e340e9cd3ff9eab236a9a41ddd39942d539325f2f40c27a8be7ed7d0f23
sha512
1a26503524f5fd87d81ff244dd7e0f2e7bab638bb4af7b77165d3f8eb410b95536155bd62765ae2f482fe99cb0474b02f105c188e59d86a6d064237ef358e0ef
ripemd-160
57b6eec3dce94ab06f26d2bd225eea22428120ea
Diameter
162612104
Circumference
510860991.31118
Area
2.0768045162159E+16
Volume
2.2514236798571E+24
Surface area
8.3072180648637E+16
Circumference
510860991.31118
Perimeter
325224208
Area
6610674091826704
Diagonal
114984121.44141
Surface area
39664044550960224
Volume
5.3748781146511E+23
Space diagonal
140826213.02684
Perimeter
243918156
Area
2.8625058498308E+15
Altitude
70413106.513419
Surface area
2.8625058498308E+15
Volume
6.3343546048683E+22
Height
38328040.480471