81834518 is an even 8-digits composite number following 81834517
and preceding 81834519 . In scientific notation, it is written as 8.1834518 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 40917258 positive integers (up to 81834518) that are relatively prime to 81834518.
81834518 has 4 divisors, whose sum is 122751780
The reverse of 81834518 is 81543818
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million eight hundred thirty-four thousand five hundred eighteen
Scientific notation
8.1834518 × 10^7
Engineering notation
8.1834518 × 10^6
Prime Factorization
2 × 40917259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81834518
Product of the distinct prime numbers
The prime factorization of 81834518 is 2 × 40917259.
Since it has a total of 2 prime factors.
4 , 8 , 65 , 33 , 210 , 932 , 9147 , 531 , 16718 , 30524 , 597277 , 14616 , 6985161 , 6888293 , 69954602 , 53127279 , 475712786 , 792737345 , 7610102623 , 2423949735
n×2
163669036
n×3
245503554
n×4
327338072
n×5
409172590
n÷2
40917259
n÷3
27278172.666667
n÷3
20458629.5
n÷5
16366903.6
n2
6696888336292324
n3
5.480366291003E+23
n4
4.4848313388768E+31
n5
3.6701401092828E+39
2 √n
9046.243308689
3 √n
434.15570237837
4 √n
95.111741171577
5 √n
38.246113168555
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
-81834517
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 81834518 can be divided by 4 positive divisors.
The sum of these divisors (counting 81834518) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111000001011001000010110
3
Ternary
12200222121212002
4
Quaternary
10320023020112
5
Quinary
131422201033
6
Senary
12041555302
8
Octal
470131026
10
Decimal
81834518
12
Duodecimal
234a5b32
16
Hexadecimal
4e0b216
20
Vigesimal
15b965i
36
Base36
1cpzx2
md5
a806c8d69fac997e7226a6f1b7dd7dd6
sha1
2b60c6fc9d277128ca7831720e870ff68ad1788d
sha256
5cc44e72ae12aecc9b181047ca5684a685772e2be3025249de020ef2a87e6a3c
sha512
12c2696682dc25535bc5150c642dbc2762132fd32c035bb312caab524e6d7967343ac7eaf243d780b7d9ba18458d8d86a7776b3218881318210df7eb6a7436f6
ripemd-160
d57ce94c2982c03fb52d8cc04cad69876743acb3
Diameter
163669036
Circumference
514181441.11772
Area
2.1038895199207E+16
Volume
2.2956104638395E+24
Surface area
8.4155580796829E+16
Circumference
514181441.11772
Perimeter
327338072
Area
6696888336292324
Diagonal
115731485.22587
Surface area
40181330017753944
Volume
5.480366291003E+23
Space diagonal
141741542.98891
Perimeter
245503554
Area
2.8998377127684E+15
Altitude
70870771.494455
Surface area
2.8998377127684E+15
Volume
6.458673612924E+22
Height
38577161.741955