68145655 is an odd 8-digits composite number following 68145654
and preceding 68145656 . In scientific notation, it is written as 6.8145655 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 54516520 positive integers (up to 68145655) that are relatively prime to 68145655.
68145655 has 4 divisors, whose sum is 81774792
The reverse of 68145655 is 55654186
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million one hundred forty-five thousand six hundred fifty-five
Scientific notation
6.8145655 × 10^7
Engineering notation
6.8145655 × 10^6
Prime Factorization
5 × 13629131
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68145655
Product of the distinct prime numbers
The prime factorization of 68145655 is 5 × 13629131.
Since it has a total of 2 prime factors.
7 , 9 , 71 , 21 , 602 , 559 , 3202 , 8935 , 89597 , 30950 , 823875 , 221970 , 7997837 , 2294733 , 39343469 , 80382680 , 440486790 , 61983382 , 5855661072 , 2190705691
n×2
136291310
n×3
204436965
n×4
272582620
n×5
340728275
n÷2
34072827.5
n÷3
22715218.333333
n÷3
17036413.75
n÷5
13629131
n2
4643830295379025
n3
3.1645685718745E+23
n4
2.156515981228E+31
n5
1.4695719405875E+39
2 √n
8255.0381586035
3 √n
408.45673053417
4 √n
90.857240540331
5 √n
36.871230714773
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
-68145654
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 68145655 can be divided by 4 positive divisors.
The sum of these divisors (counting 68145655) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000011111101000111110111
3
Ternary
11202020011021011
4
Quaternary
10003331013313
5
Quinary
114421130110
6
Senary
10432333051
8
Octal
403750767
10
Decimal
68145655
12
Duodecimal
1a9a4187
16
Hexadecimal
40fd1f7
20
Vigesimal
115i42f
36
Base36
14kliv
md5
fb27d58977a55ff9d8d9e4bc29421d4a
sha1
cde900d8f7478462a7bd5f597c230b88dfac2a3d
sha256
dd14022fbb938796e32d1f48ef8b5d069bba420e8a64fd7b46b2356e118832aa
sha512
5f5da25e644fca309b76664c0743f1c85b8c1efc190ae3da2e5dda6062af1da309d965f4bb403cf44c7e640ff7383b37bbee100aa292e3266d6d116a373bb16b
ripemd-160
d525817017981b39ccb9d8fcde9ca91b6abfdbff
Diameter
136291310
Circumference
428171778.24413
Area
1.458902314048E+16
Volume
1.3255713836243E+24
Surface area
5.8356092561922E+16
Circumference
428171778.24413
Perimeter
272582620
Area
4643830295379025
Diagonal
96372509.517798
Surface area
27862981772274150
Volume
3.1645685718745E+23
Space diagonal
118031736.77506
Perimeter
204436965
Area
2.010837503331E+15
Altitude
59015868.38753
Surface area
2.010837503331E+15
Volume
3.7294798278371E+22
Height
32124169.839266