68454940 is an even 8-digits composite number following 68454939
and preceding 68454941 . In scientific notation, it is written as 6.8454940 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 27381968 positive integers (up to 68454940) that are relatively prime to 68454940.
68454940 has 12 divisors, whose sum is 143755416
The reverse of 68454940 is 04945486
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million four hundred fifty-four thousand nine hundred forty
Scientific notation
6.8454940 × 10^7
Engineering notation
6.8454940 × 10^6
Prime Factorization
2 × 2 × 5 × 3422747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34227470
Product of the distinct prime numbers
The prime factorization of 68454940 is 2 × 2 × 5 × 3422747.
Since it has a total of 4 prime factors.
5 , 7 , 54 , 12 , 947 , 506 , 3463 , 2566 , 91428 , 62540 , 254603 , 75808 , 710888 , 2460720 , 99121610 , 79486978 , 149141953 , 460943274 , 4102377987 , 4796752582
n×2
136909880
n×3
205364820
n×4
273819760
n×5
342274700
n÷2
34227470
n÷3
22818313.333333
n÷3
17113735
n÷5
13690988
n2
4686078810403600
n3
3.2078524380145E+23
n4
2.1959334617314E+31
n5
1.5032249336681E+39
2 √n
8273.7500566551
3 √n
409.07373686242
4 √n
90.960156423871
5 √n
36.904638778959
1 , 2 , 4 , 5 , 10 , 20 , 3422747 , 6845494 , 13690988 , 17113735 , 34227470 , 68454940
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68454939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68454940 can be divided by 12 positive divisors.
The sum of these divisors (counting 68454940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000101001000101000011100
3
Ternary
11202210212112011
4
Quaternary
10011020220130
5
Quinary
120011024230
6
Senary
10443121004
8
Octal
405105034
10
Decimal
68454940
12
Duodecimal
1ab13164
16
Hexadecimal
4148a1c
20
Vigesimal
117gh70
36
Base36
14r864
md5
b90215ef84ff396c913f728ac30538ea
sha1
26447f22ba4e6b95e9c5ca0ec6a9c8bf9b39c660
sha256
729ea66b775869420a78c651d2f476eed4d32c66339d13bdd0a792def99814be
sha512
747df06b768fd7e3f692ac8a7d6056bcb6214fbae9afe4785f94dfde27f29beea544715c4b245b53e777b4508adc214fa21eb3ded9597d0604c4585f4e29bed5
ripemd-160
1fe3b24827fe0ecf0914487982b49b2c2446057b
Diameter
136909880
Circumference
430115073.21186
Area
1.4721750764907E+16
Volume
1.3437020870755E+24
Surface area
5.8887003059627E+16
Circumference
430115073.21186
Perimeter
273819760
Area
4686078810403600
Diagonal
96809904.559436
Surface area
28116472862421600
Volume
3.2078524380145E+23
Space diagonal
118567434.10908
Perimeter
205364820
Area
2.0291316469727E+15
Altitude
59283717.05454
Surface area
2.0291316469727E+15
Volume
3.7804903532764E+22
Height
32269968.186479