81650213 is an odd 8-digits composite number following 81650212
and preceding 81650214 . In scientific notation, it is written as 8.1650213 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 79475760 positive integers (up to 81650213) that are relatively prime to 81650213.
81650213 has 8 divisors, whose sum is 83854080
The reverse of 81650213 is 31205618
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million six hundred fifty thousand two hundred thirteen
Scientific notation
8.1650213 × 10^7
Engineering notation
8.1650213 × 10^6
Prime Factorization
71 × 79 × 14557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81650213
Product of the distinct prime numbers
The prime factorization of 81650213 is 71 × 79 × 14557.
Since it has a total of 3 prime factors.
4 , 4 , 88 , 40 , 866 , 50 , 3013 , 4137 , 60298 , 75205 , 143716 , 681418 , 420428 , 7478576 , 35224632 , 53462128 , 916650568 , 440523562 , 8300434119 , 274966539
n×2
163300426
n×3
244950639
n×4
326600852
n×5
408251065
n÷2
40825106.5
n÷3
27216737.666667
n÷3
20412553.25
n÷5
16330042.6
n2
6666757282945369
n3
5.4434215217179E+23
n4
4.4445652669705E+31
n5
3.6289970074054E+39
2 √n
9036.0507413361
3 √n
433.82952700822
4 √n
95.058144003216
5 √n
38.228870301317
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81650212
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81650213 can be divided by 8 positive divisors.
The sum of these divisors (counting 81650213) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111011110001000100101
3
Ternary
12200122021000222
4
Quaternary
10313132020211
5
Quinary
131400301323
6
Senary
12034014125
8
Octal
467361045
10
Decimal
81650213
12
Duodecimal
23417345
16
Hexadecimal
4dde225
20
Vigesimal
15a65ad
36
Base36
1cm1ph
md5
f480d6a1b340371cb3d995c03fc7f532
sha1
7781d70cfde0b338666ea790b4909d1a9dad2793
sha256
0fafa759edf9fc628a7e4a81da8378f269374e1f4b84998071acbab17ff343ac
sha512
d3fe90a9c3fa25cc84be85d6898de0147292cd088a4a05ed0f84dc368c297ef2af50110460d67b629668e6ebf62a598776467e2a9f0a1edfb6219fd3c57ba256
ripemd-160
3145cf5ec8fd9a2aaaf2e237847f7fa4ebc65682
Diameter
163300426
Circumference
513023418.64968
Area
2.0944235703367E+16
Volume
2.2801350750695E+24
Surface area
8.377694281347E+16
Circumference
513023418.64968
Perimeter
326600852
Area
6666757282945369
Diagonal
115470838.59525
Surface area
40000543697672214
Volume
5.4434215217179E+23
Space diagonal
141422317.36482
Perimeter
244950639
Area
2.8867905839478E+15
Altitude
70711158.68241
Surface area
2.8867905839478E+15
Volume
6.4151337847725E+22
Height
38490279.531751