81264694 is an even 8-digits composite number following 81264693
and preceding 81264695 . In scientific notation, it is written as 8.1264694 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 34827720 positive integers (up to 81264694) that are relatively prime to 81264694.
81264694 has 8 divisors, whose sum is 139310928
The reverse of 81264694 is 49646218
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million two hundred sixty-four thousand six hundred ninety-four
Scientific notation
8.1264694 × 10^7
Engineering notation
8.1264694 × 10^6
Prime Factorization
2 × 7 × 5804621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81264694
Product of the distinct prime numbers
The prime factorization of 81264694 is 2 × 7 × 5804621.
Since it has a total of 3 prime factors.
10 , 4 , 11 , 50 , 772 , 799 , 5968 , 6619 , 9797 , 7085 , 381375 , 862917 , 418094 , 312515 , 48010229 , 36584603 , 228611925 , 507498941 , 6439628053 , 1891969341
n×2
162529388
n×3
243794082
n×4
325058776
n×5
406323470
n÷2
40632347
n÷3
27088231.333333
n÷3
20316173.5
n÷5
16252938.8
n2
6603950490913636
n3
5.3666801583525E+23
n4
4.3612162086438E+31
n5
3.5441290066328E+39
2 √n
9014.6932282801
3 √n
433.14566087594
4 √n
94.94573833659
5 √n
38.192701700968
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81264693
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81264694 can be divided by 8 positive divisors.
The sum of these divisors (counting 81264694) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110000000000000110110
3
Ternary
12122220200012111
4
Quaternary
10312000000312
5
Quinary
131300432234
6
Senary
12021441234
8
Octal
466000066
10
Decimal
81264694
12
Duodecimal
2327021a
16
Hexadecimal
4d80036
20
Vigesimal
157i1ee
36
Base36
1cds8m
md5
2ea1509bc2053aaeacc64633de226bb0
sha1
b19e7b537b2c0600f1933428cf6404465d34649d
sha256
80ecaf193a2409f0854beea4bd067aeb1e696871150b6ef6edbe493209c8c2d9
sha512
5ca7fb282078395c034fed4126cbaca876c9d25bddbb22c1d253981a238ce8c282fa4daaa5c8d47f046c5c160d665d3166e3873271b7d916bd609315e3e3649a
ripemd-160
b27f8d360e67705992ff6c6bfbf0b950643019e3
Diameter
162529388
Circumference
510601131.33325
Area
2.0746922346925E+16
Volume
2.2479897279528E+24
Surface area
8.29876893877E+16
Circumference
510601131.33325
Perimeter
325058776
Area
6603950490913636
Diagonal
114925632.3969
Surface area
39623702945481816
Volume
5.3666801583525E+23
Space diagonal
140754578.86954
Perimeter
243794082
Area
2.859594445233E+15
Altitude
70377289.434769
Surface area
2.859594445233E+15
Volume
6.3246932207172E+22
Height
38308544.1323