81725344 is an even 8-digits composite number following 81725343
and preceding 81725345 . In scientific notation, it is written as 8.1725344 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 12 positive divisors.
There are 40862656 positive integers (up to 81725344) that are relatively prime to 81725344.
81725344 has 12 divisors, whose sum is 160896834
The reverse of 81725344 is 44352718
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million seven hundred twenty-five thousand three hundred forty-four
Scientific notation
8.1725344 × 10^7
Engineering notation
8.1725344 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2553917
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5107834
Product of the distinct prime numbers
The prime factorization of 81725344 is 2 × 2 × 2 × 2 × 2 × 2553917.
Since it has a total of 6 prime factors.
5 , 2 , 86 , 30 , 749 , 203 , 657 , 11 , 21751 , 94548 , 782700 , 213263 , 7285918 , 8298788 , 34168592 , 46126435 , 895527933 , 670211745 , 6191499633 , 3017538467
n×2
163450688
n×3
245176032
n×4
326901376
n×5
408626720
n÷2
40862672
n÷3
27241781.333333
n÷3
20431336
n÷5
16345068.8
n2
6679031851918336
n3
5.4584617568498E+23
n4
4.460946647894E+31
n5
3.6457239936478E+39
2 √n
9040.2070772743
3 √n
433.96254994795
4 √n
95.080003561602
5 √n
38.235903024423
1 , 2 , 4 , 8 , 16 , 32 , 2553917 , 5107834 , 10215668 , 20431336 , 40862672 , 81725344
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
-81725343
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 81725344 can be divided by 12 positive divisors.
The sum of these divisors (counting 81725344) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111110000011110100000
3
Ternary
12200210002002121
4
Quaternary
10313300132200
5
Quinary
131410202334
6
Senary
12035354024
8
Octal
467603640
10
Decimal
81725344
12
Duodecimal
23452914
16
Hexadecimal
4df07a0
20
Vigesimal
15afd74
36
Base36
1cnnog
md5
1422866e776b0a04000ce86aa2c28ac5
sha1
c55f2430347fda0285603be6a6e76b628d71ab6b
sha256
a36b950aee868b2adccc78342f4022f5ff909f72aa165096147ac4f4cbb7b448
sha512
6293bd0e074f415bb1c14c1c40b0286745cf2a6501e0a5dc532b74415ca2787286490825d8001ae9e5a2a8e6e5936996a2358d776fb45f1e955ee0bc50f4c79c
ripemd-160
5e190029b773b3d43a0e32bc47c2af3bd5f075c2
Diameter
163450688
Circumference
513495480.645
Area
2.0982797399079E+16
Volume
2.2864351140294E+24
Surface area
8.3931189596316E+16
Circumference
513495480.645
Perimeter
326901376
Area
6679031851918336
Diagonal
115577089.87441
Surface area
40074191111510016
Volume
5.4584617568498E+23
Space diagonal
141552448.07404
Perimeter
245176032
Area
2.8921056282234E+15
Altitude
70776224.037022
Surface area
2.8921056282234E+15
Volume
6.4328588718599E+22
Height
38525696.624802