81465366 is an even 8-digits composite number following 81465365
and preceding 81465367 . In scientific notation, it is written as 8.1465366 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 27139944 positive integers (up to 81465366) that are relatively prime to 81465366.
81465366 has 16 divisors, whose sum is 163021824
The reverse of 81465366 is 66356418
Previous prime number is 2887
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million four hundred sixty-five thousand three hundred sixty-six
Scientific notation
8.1465366 × 10^7
Engineering notation
8.1465366 × 10^6
Prime Factorization
2 × 3 × 2887 × 4703
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81465366
Product of the distinct prime numbers
The prime factorization of 81465366 is 2 × 3 × 2887 × 4703.
Since it has a total of 4 prime factors.
1 , 3 , 34 , 6 , 244 , 148 , 3652 , 1158 , 1821 , 28823 , 889281 , 57231 , 3634536 , 8503063 , 12251188 , 38368006 , 759862782 , 469997128 , 8468105720 , 3557487994
n×2
162930732
n×3
244396098
n×4
325861464
n×5
407326830
n÷2
40732683
n÷3
27155122
n÷3
20366341.5
n÷5
16293073.2
n2
6636605857513956
n3
5.4065352518012E+23
n4
4.4044537307989E+31
n5
3.5881043520959E+39
2 √n
9025.816638953
3 √n
433.50189904834
4 √n
95.004298002527
5 √n
38.21154542356
1 , 2 , 3 , 6 , 2887 , 4703 , 5774 , 8661 , 9406 , 14109 , 17322 , 28218 , 13577561 , 27155122 , 40732683 , 81465366
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
-81465365
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 81465366 can be divided by 16 positive divisors.
The sum of these divisors (counting 81465366) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110110001000000010110
3
Ternary
12200021212110210
4
Quaternary
10312301000112
5
Quinary
131323342431
6
Senary
12030030250
8
Octal
466610026
10
Decimal
81465366
12
Duodecimal
23348386
16
Hexadecimal
4db1016
20
Vigesimal
1593386
36
Base36
1ci32u
md5
3f4b844f3a8ad7ac003785344bef2507
sha1
42608c6bf33a779bdcf25b5a2866a40b7e99f56a
sha256
d0d25b0d25c8abd660177e69131788f6a39a1b6d0dfe4bbbf23298e8b1e5cd3d
sha512
296baaf1af878fe54f4a334925d6baeb53020c6d05d09710d17ce9b309ef2646c249b6c583950767284452b4b7d1ea3c4d30655d42f46d21560a3705f2ed0099
ripemd-160
6d4595ef0689c27ddda09b3e056b77d1d02a554a
Diameter
162930732
Circumference
511861990.69521
Area
2.0849512206737E+16
Volume
2.2646841904577E+24
Surface area
8.3398048826947E+16
Circumference
511861990.69521
Perimeter
325861464
Area
6636605857513956
Diagonal
115209425.46089
Surface area
39819635145083736
Volume
5.4065352518012E+23
Space diagonal
141102152.96919
Perimeter
244396098
Area
2.8737346337558E+15
Altitude
70551076.484597
Surface area
2.8737346337558E+15
Volume
6.3716628987879E+22
Height
38403141.820296