68486538 is an even 8-digits composite number following 68486537
and preceding 68486539 . In scientific notation, it is written as 6.8486538 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 22654320 positive integers (up to 68486538) that are relatively prime to 68486538.
68486538 has 16 divisors, whose sum is 138020256
The reverse of 68486538 is 83568486
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-eight million four hundred eighty-six thousand five hundred thirty-eight
Scientific notation
6.8486538 × 10^7
Engineering notation
6.8486538 × 10^6
Prime Factorization
2 × 3 × 131 × 87133
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68486538
Product of the distinct prime numbers
The prime factorization of 68486538 is 2 × 3 × 131 × 87133.
Since it has a total of 4 prime factors.
8 , 2 , 34 , 98 , 64 , 747 , 6689 , 4526 , 39044 , 65531 , 173943 , 88898 , 9206604 , 4823433 , 47790005 , 67918785 , 133004978 , 74572350 , 5083458523 , 9333081126
n×2
136973076
n×3
205459614
n×4
273946152
n×5
342432690
n÷2
34243269
n÷3
22828846
n÷3
17121634.5
n÷5
13697307.6
n2
4690405887225444
n3
3.2122966103089E+23
n4
2.1999907386919E+31
n5
1.5066974932507E+39
2 √n
8275.6593695004
3 √n
409.13666839875
4 √n
90.970651143654
5 √n
36.908045100052
1 , 2 , 3 , 6 , 131 , 262 , 393 , 786 , 87133 , 174266 , 261399 , 522798 , 11414423 , 22828846 , 34243269 , 68486538
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
-68486537
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 68486538 can be divided by 16 positive divisors.
The sum of these divisors (counting 68486538) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101010000010110001010
3
Ternary
11202212110212110
4
Quaternary
10011100112022
5
Quinary
120013032123
6
Senary
10443523150
8
Octal
405202612
10
Decimal
68486538
12
Duodecimal
1ab294b6
16
Hexadecimal
415058a
20
Vigesimal
1180g6i
36
Base36
14rwju
md5
59fff496a6d3a4648d21128e31dfd582
sha1
1243a800110a8268fb58ab4191ce5f39daf6c01f
sha256
78c84f2179239c373cc024b4b3c94524d5bfab9d32a295b1f2f9c139726f61b1
sha512
822ffdd26acea806821cd427fa6ecee9486cce573aa629c9e566d4a4549b1b256367ac4092a6ad431318dabc25b2d6675eaf2fe1c8393d3f52ca474faf166a72
ripemd-160
23b4df1d3b5b67b55d3caa59c979486d4ba69c8c
Diameter
136973076
Circumference
430313609.3012
Area
1.4735344677662E+16
Volume
1.345563657613E+24
Surface area
5.8941378710647E+16
Circumference
430313609.3012
Perimeter
273946152
Area
4690405887225444
Diagonal
96854590.87958
Surface area
28142435323352664
Volume
3.2122966103089E+23
Space diagonal
118622163.4505
Perimeter
205459614
Area
2.0310053261987E+15
Altitude
59311081.725248
Surface area
2.0310053261987E+15
Volume
3.7857278605533E+22
Height
32284863.626527