81746875 is an odd 8-digits composite number following 81746874
and preceding 81746876 . In scientific notation, it is written as 8.1746875 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 32 positive divisors.
There are 54000000 positive integers (up to 81746875) that are relatively prime to 81746875.
81746875 has 32 divisors, whose sum is 101582208
The reverse of 81746875 is 57864718
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-one million seven hundred forty-six thousand eight hundred seventy-five
Scientific notation
8.1746875 × 10^7
Engineering notation
8.1746875 × 10^6
Prime Factorization
7 × 25 × 125 × 37 × 101
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81746875
Product of the distinct prime numbers
The prime factorization of 81746875 is 7 × 25 × 125 × 37 × 101.
Since it has a total of 5 prime factors.
9 , 3 , 66 , 97 , 306 , 370 , 3090 , 3502 , 65657 , 11757 , 407825 , 56008 , 5230753 , 7478622 , 41631689 , 38207126 , 950464723 , 248474123 , 3047455970 , 5413907808
n×2
163493750
n×3
245240625
n×4
326987500
n×5
408734375
n÷2
40873437.5
n÷3
27248958.333333
n÷3
20436718.75
n÷5
16349375
n2
6682551572265625
n3
5.4627770805905E+23
n4
4.465649551599E+31
n5
3.6505289568837E+39
2 √n
9041.3978454662
3 √n
434.00065655716
4 √n
95.086265282985
5 √n
38.237917504741
1 , 7 , 25 , 37 , 101 , 125 , 175 , 259 , 707 , 875 , 925 , 2525 , 3125 , 3737 , 4625 , 6475 , 12625 , 17675 , 21875 , 26159 , 32375 , 88375 , 93425 , 115625 , 315625 , 467125 , 653975 , 809375 , 2209375 , 3269875 , 11678125 , 81746875
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81746874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81746875 can be divided by 32 positive divisors.
The sum of these divisors (counting 81746875) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110111110101101110111011
3
Ternary
12200211011122001
4
Quaternary
10313311232323
5
Quinary
131411400000
6
Senary
12040041431
8
Octal
467655673
10
Decimal
81746875
12
Duodecimal
23463277
16
Hexadecimal
4df5bbb
20
Vigesimal
15ai73f
36
Base36
1co4aj
md5
8f3d6db2fe94a87cb001b85cd9aa59fa
sha1
efdfb259fa0885c202264f464d0ba87cc2eb08bf
sha256
9df619c4795e1996fd1f760d6768c7e07e49a8fdc3bc1f0602a643a3720b1d11
sha512
e3f9bd78b9389c6a874156f747bfd84881bfa7e14fcb8fb037323a44cf72a37828106523eea964593e4eda8346dcd26b8dc587969dedb7cc3bf88400abed4845
ripemd-160
8d3e14601206131068565ca64a412b73c987cf64
Diameter
163493750
Circumference
513630763.90785
Area
2.0993854926665E+16
Volume
2.2882427126109E+24
Surface area
8.3975419706658E+16
Circumference
513630763.90785
Perimeter
326987500
Area
6682551572265625
Diagonal
115607539.30662
Surface area
40095309433593750
Volume
5.4627770805905E+23
Space diagonal
141589740.85998
Perimeter
245240625
Area
2.8936297118408E+15
Altitude
70794870.429991
Surface area
2.8936297118408E+15
Volume
6.43794452966E+22
Height
38535846.435539