81256104 is an even 8-digits composite number following 81256103
and preceding 81256105 . In scientific notation, it is written as 8.1256104 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 27085344 positive integers (up to 81256104) that are relatively prime to 81256104.
81256104 has 16 divisors, whose sum is 169283700
The reverse of 81256104 is 40165218
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million two hundred fifty-six thousand one hundred four
Scientific notation
8.1256104 × 10^7
Engineering notation
8.1256104 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 1128557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20314026
Product of the distinct prime numbers
The prime factorization of 81256104 is 2 × 2 × 2 × 9 × 1128557.
Since it has a total of 5 prime factors.
4 , 7 , 6 , 11 , 942 , 585 , 6415 , 5571 , 9931 , 63293 , 237170 , 588302 , 232393 , 3346916 , 25850018 , 52693364 , 208317181 , 281909412 , 9402116155 , 947606592
n×2
162512208
n×3
243768312
n×4
325024416
n×5
406280520
n÷2
40628052
n÷3
27085368
n÷3
20314026
n÷5
16251220.8
n2
6602554437258816
n3
5.3649785001956E+23
n4
4.3593725096966E+31
n5
3.5422562602265E+39
2 √n
9014.2167713008
3 √n
433.1303986009
4 √n
94.943229201986
5 √n
38.191894242861
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 1128557 , 2257114 , 4514228 , 9028456 , 10157013 , 20314026 , 40628052 , 81256104
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
-81256103
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 81256104 can be divided by 16 positive divisors.
The sum of these divisors (counting 81256104) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101111101111010101000
3
Ternary
12122220020102100
4
Quaternary
10311331322220
5
Quinary
131300143404
6
Senary
12021333400
8
Octal
465757250
10
Decimal
81256104
12
Duodecimal
23267260
16
Hexadecimal
4d7dea8
20
Vigesimal
157h054
36
Base36
1cdlm0
md5
422c53362166c67b7646ee833771a0c0
sha1
3d6a3a17bc5f256f15a7dbcd58bef0c78acd6003
sha256
73b68eab233ce81218549394149902bc9cfbc887d705c650f3ffdc2a2a3eddd2
sha512
c5c809c338d67f7a114bf94f0bc2c1bc2ac28e7bff750eb9bc10ade5e8e74dea70177719681186f15a50d77323179bd93cb0d4e6d47a92fb6c0870a76639b514
ripemd-160
cad1dec5377802f8c0c1aee70100ebd0a7adbb48
Diameter
162512208
Circumference
510547158.77146
Area
2.0742536515019E+16
Volume
2.2472769390509E+24
Surface area
8.2970146060076E+16
Circumference
510547158.77146
Perimeter
325024416
Area
6602554437258816
Diagonal
114913484.3024
Surface area
39615326623552896
Volume
5.3649785001956E+23
Space diagonal
140739700.5531
Perimeter
243768312
Area
2.8589899362679E+15
Altitude
70369850.27655
Surface area
2.8589899362679E+15
Volume
6.3226877973473E+22
Height
38304494.767466