81738275 is an odd 8-digits composite number following 81738274
and preceding 81738276 . In scientific notation, it is written as 8.1738275 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 65390600 positive integers (up to 81738275) that are relatively prime to 81738275.
81738275 has 4 divisors, whose sum is 85007832
The reverse of 81738275 is 57283718
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million seven hundred thirty-eight thousand two hundred seventy-five
Scientific notation
8.1738275 × 10^7
Engineering notation
8.1738275 × 10^6
Prime Factorization
25 × 3269531
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81738275
Product of the distinct prime numbers
The prime factorization of 81738275 is 25 × 3269531.
Since it has a total of 2 prime factors.
7 , 8 , 61 , 22 , 808 , 221 , 6441 , 4223 , 52728 , 61282 , 365600 , 458414 , 9873749 , 3434580 , 20113469 , 86580953 , 892099243 , 176178635 , 6424124015 , 3604411903
n×2
163476550
n×3
245214825
n×4
326953100
n×5
408691375
n÷2
40869137.5
n÷3
27246091.666667
n÷3
20434568.75
n÷5
16347655
n2
6681145599975625
n3
5.4610531636585E+23
n4
4.4637706528074E+31
n5
3.648609131561E+39
2 √n
9040.9222427803
3 √n
433.98543666224
4 √n
95.083764349022
5 √n
38.237112923699
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81738274
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81738275 can be divided by 4 positive divisors.
The sum of these divisors (counting 81738275) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111110011101000100011
3
Ternary
12200210201211112
4
Quaternary
10313303220203
5
Quinary
131411111100
6
Senary
12035533535
8
Octal
467635043
10
Decimal
81738275
12
Duodecimal
2345a2ab
16
Hexadecimal
4df3a23
20
Vigesimal
15ah5df
36
Base36
1cnxnn
md5
3747207eae36fdf6a05dd81bb16dba48
sha1
8613aabc52e68e260536abeedc5de5f3a3b7fd9a
sha256
9779c983cf96905f95b852ecde7999ef23a35cf4f1d535680319c830a19b3820
sha512
74c9bdad09fefd21a358faa3c565dc6a1501f3a8a01512ccb4f444dabb321c8d068f013e82914cabdfee481431dc0c036c0753dd23b0e5d3d2446952fcc4a55c
ripemd-160
6f506e1159e854234d657e123921fefbd0076e4f
Diameter
163476550
Circumference
513576728.5142
Area
2.0989437934447E+16
Volume
2.287520599975E+24
Surface area
8.3957751737789E+16
Circumference
513576728.5142
Perimeter
326953100
Area
6681145599975625
Diagonal
115595377.06998
Surface area
40086873599853750
Volume
5.4610531636585E+23
Space diagonal
141574845.22304
Perimeter
245214825
Area
2.8930209079808E+15
Altitude
70787422.611518
Surface area
2.8930209079808E+15
Volume
6.4359128740719E+22
Height
38531792.356661