81750274 is an even 8-digits composite number following 81750273
and preceding 81750275 . In scientific notation, it is written as 8.1750274 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 37992240 positive integers (up to 81750274) that are relatively prime to 81750274.
81750274 has 16 divisors, whose sum is 131518080
The reverse of 81750274 is 47205718
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million seven hundred fifty thousand two hundred seventy-four
Scientific notation
8.1750274 × 10^7
Engineering notation
8.1750274 × 10^6
Prime Factorization
2 × 19 × 53 × 40591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81750274
Product of the distinct prime numbers
The prime factorization of 81750274 is 2 × 19 × 53 × 40591.
Since it has a total of 4 prime factors.
1 , 1 , 39 , 98 , 153 , 903 , 4102 , 1782 , 29280 , 96477 , 713631 , 752364 , 8330515 , 8649954 , 67617133 , 79612173 , 328610679 , 19584367 , 9578046935 , 3711851159
n×2
163500548
n×3
245250822
n×4
327001096
n×5
408751370
n÷2
40875137
n÷3
27250091.333333
n÷3
20437568.5
n÷5
16350054.8
n2
6683107299075076
n3
5.4634585287079E+23
n4
4.4663923170951E+31
n5
3.6512879571402E+39
2 √n
9041.5858122345
3 √n
434.00667166084
4 √n
95.087253679105
5 √n
38.238235482695
1 , 2 , 19 , 38 , 53 , 106 , 1007 , 2014 , 40591 , 81182 , 771229 , 1542458 , 2151323 , 4302646 , 40875137 , 81750274
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
-81750273
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 81750274 can be divided by 16 positive divisors.
The sum of these divisors (counting 81750274) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111110110100100000010
3
Ternary
12200211100021221
4
Quaternary
10313312210002
5
Quinary
131412002044
6
Senary
12040105254
8
Octal
467664402
10
Decimal
81750274
12
Duodecimal
2346522a
16
Hexadecimal
4df6902
20
Vigesimal
15aifde
36
Base36
1co6wy
md5
3d5ca09f766e384c1dbaabd09ed47186
sha1
1669ddd8be4d4933ecfc3be4a46addbc92efb985
sha256
8c7e09bb326ef64325cfa9c878e47aba9f5966fedbb8d7e93f19d9777a536e51
sha512
25a982b658b89a83647c439b18cfadda50b183fce0465c8fcae82368c0ae1f2e8ce5a38d8fc1f7fe25da3a24b905aff5973baf31ef83b2e8f5c3068053ce7ded
ripemd-160
bd40ea33f948f8786c548d980ef4349e27a46e02
Diameter
163500548
Circumference
513652120.45471
Area
2.0995600793927E+16
Volume
2.2885281569308E+24
Surface area
8.3982403175706E+16
Circumference
513652120.45471
Perimeter
327001096
Area
6683107299075076
Diagonal
115612346.21852
Surface area
40098643794450456
Volume
5.4634585287079E+23
Space diagonal
141595628.10068
Perimeter
245250822
Area
2.8938703486081E+15
Altitude
70797814.050338
Surface area
2.8938703486081E+15
Volume
6.438747623968E+22
Height
38537448.739506