68511512 is an even 8-digits composite number following 68511511
and preceding 68511513 . In scientific notation, it is written as 6.8511512 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors.
There are 34255752 positive integers (up to 68511512) that are relatively prime to 68511512.
68511512 has 8 divisors, whose sum is 128459100
The reverse of 68511512 is 21511586
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
sixty-eight million five hundred eleven thousand five hundred twelve
Scientific notation
6.8511512 × 10^7
Engineering notation
6.8511512 × 10^6
Prime Factorization
2 × 2 × 2 × 8563939
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
17127878
Product of the distinct prime numbers
The prime factorization of 68511512 is 2 × 2 × 2 × 8563939.
Since it has a total of 4 prime factors.
9 , 8 , 68 , 13 , 482 , 712 , 6845 , 2997 , 7937 , 61206 , 641269 , 644169 , 2093920 , 3618754 , 40424396 , 60316186 , 727427401 , 363713225 , 8917155671 , 6587523214
n×2
137023024
n×3
205534536
n×4
274046048
n×5
342557560
n÷2
34255756
n÷3
22837170.666667
n÷3
17127878
n÷5
13702302.4
n2
4693827276526144
n3
3.2158120378165E+23
n4
2.2032014501861E+31
n5
1.5094466259284E+39
2 √n
8277.16811476
3 √n
409.18639368159
4 √n
90.978943249304
5 √n
36.910736452622
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
-68511511
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 68511512 can be divided by 8 positive divisors.
The sum of these divisors (counting 68511512) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101010110011100011000
3
Ternary
11202220202010102
4
Quaternary
10011112130120
5
Quinary
120014332022
6
Senary
10444234532
8
Octal
405263430
10
Decimal
68511512
12
Duodecimal
1ab3ba48
16
Hexadecimal
4156718
20
Vigesimal
1183ifc
36
Base36
14sftk
md5
3a8c1b0f009f2e08584f34c1f9cfe9f2
sha1
d510c5f19a1457d14a71a0e91cacc901a9966301
sha256
93856a56d0af2aa57a0112eb4c3a1d5c8d3d24df315834fb869ddf28b802d342
sha512
ce0690c1247b8ac277bfb301c2d4455e5614b56c71ba71fc4eb644b8b45b3a71e3a015fa9baeea058a8022a8cd2988399f78572b7f496eb79edc0d7122d2830b
ripemd-160
fde0e8a38f5eaf00f9cbe56d42b02309fb4be874
Diameter
137023024
Circumference
430470525.57106
Area
1.4746093289154E+16
Volume
1.347036196444E+24
Surface area
5.8984373156616E+16
Circumference
430470525.57106
Perimeter
274046048
Area
4693827276526144
Diagonal
96889909.449087
Surface area
28162963659156864
Volume
3.2158120378165E+23
Space diagonal
118665419.68736
Perimeter
205534536
Area
2.032486831224E+15
Altitude
59332709.843682
Surface area
2.032486831224E+15
Volume
3.7898708316023E+22
Height
32296636.483029