68492081 is an odd 8-digits composite number following 68492080
and preceding 68492082 . In scientific notation, it is written as 6.8492081 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 57744720 positive integers (up to 68492081) that are relatively prime to 68492081.
68492081 has 8 divisors, whose sum is 79560384
The reverse of 68492081 is 18029486
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-eight million four hundred ninety-two thousand eighty-one
Scientific notation
6.8492081 × 10^7
Engineering notation
6.8492081 × 10^6
Prime Factorization
7 × 61 × 160403
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68492081
Product of the distinct prime numbers
The prime factorization of 68492081 is 7 × 61 × 160403.
Since it has a total of 3 prime factors.
2 , 7 , 80 , 32 , 93 , 205 , 3170 , 5835 , 36125 , 68726 , 977792 , 647311 , 3000966 , 3342036 , 90092831 , 22147985 , 893837678 , 873962777 , 4511778578 , 7773514135
n×2
136984162
n×3
205476243
n×4
273968324
n×5
342460405
n÷2
34246040.5
n÷3
22830693.666667
n÷3
17123020.25
n÷5
13698416.2
n2
4691165159710561
n3
3.2130766410327E+23
n4
2.2007030555682E+31
n5
1.5073073193893E+39
2 √n
8275.9942605103
3 √n
409.14770601012
4 √n
90.972491779165
5 √n
36.908642515769
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
-68492080
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 68492081 can be divided by 8 positive divisors.
The sum of these divisors (counting 68492081) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101010001101100110001
3
Ternary
11202212202110202
4
Quaternary
10011101230301
5
Quinary
120013221311
6
Senary
10444004545
8
Octal
405215461
10
Decimal
68492081
12
Duodecimal
1ab30755
16
Hexadecimal
4151b31
20
Vigesimal
1181a41
36
Base36
14s0tt
md5
e27e77c0a6844c049475d15e41ffa07e
sha1
276405d87bf0477a55a460b22c2ab43e2af0c3f4
sha256
af9ab1794f73dcf2d6409b80c0d71fc05f0d12bd5e847410a6418dd4f767ad24
sha512
d8b6a2861287abc2bf84c40565c2997efd5a90e2bf4407a3c00eb4bf46d65bb3b58bf358e1cba6ba373d504bd48b1ed5e9eb562af70e419eec15c7815a6d76bb
ripemd-160
573c503dc1ffcd754b14950e0109d34edb22cc13
Diameter
136984162
Circumference
430348436.99735
Area
1.4737730002523E+16
Volume
1.3458903961186E+24
Surface area
5.8950920010092E+16
Circumference
430348436.99735
Perimeter
273968324
Area
4691165159710561
Diagonal
96862429.865357
Surface area
28146990958263366
Volume
3.2130766410327E+23
Space diagonal
118631764.20812
Perimeter
205476243
Area
2.0313341008289E+15
Altitude
59315882.104061
Surface area
2.0313341008289E+15
Volume
3.7866471355772E+22
Height
32287476.621786