68615512 is an even 8-digits composite number following 68615511
and preceding 68615513 . In scientific notation, it is written as 6.8615512 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 32 positive divisors.
There are 29262240 positive integers (up to 68615512) that are relatively prime to 68615512.
68615512 has 32 divisors, whose sum is 147755520
The reverse of 68615512 is 21551686
Previous prime number is 211
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-eight million six hundred fifteen thousand five hundred twelve
Scientific notation
6.8615512 × 10^7
Engineering notation
6.8615512 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 211 × 5807
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17153878
Product of the distinct prime numbers
The prime factorization of 68615512 is 2 × 2 × 2 × 7 × 211 × 5807.
Since it has a total of 6 prime factors.
3 , 6 , 42 , 85 , 876 , 515 , 6469 , 9904 , 52645 , 93126 , 875238 , 86495 , 2666499 , 4613157 , 64582011 , 24727844 , 425119008 , 944309381 , 9980424617 , 4975902097
n×2
137231024
n×3
205846536
n×4
274462048
n×5
343077560
n÷2
34307756
n÷3
22871837.333333
n÷3
17153878
n÷5
13723102.4
n2
4708088487022144
n3
3.2304790207833E+23
n4
2.216609720163E+31
n5
1.5209381085316E+39
2 √n
8283.4480743227
3 √n
409.39333637348
4 √n
91.013449963852
5 √n
36.921935702914
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 211 , 422 , 844 , 1477 , 1688 , 2954 , 5807 , 5908 , 11614 , 11816 , 23228 , 40649 , 46456 , 81298 , 162596 , 325192 , 1225277 , 2450554 , 4901108 , 8576939 , 9802216 , 17153878 , 34307756 , 68615512
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68615511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68615512 can be divided by 32 positive divisors.
The sum of these divisors (counting 68615512) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000101101111110101011000
3
Ternary
11210010000210021
4
Quaternary
10011233311120
5
Quinary
120031144022
6
Senary
10450400224
8
Octal
405576530
10
Decimal
68615512
12
Duodecimal
1ab90074
16
Hexadecimal
416fd58
20
Vigesimal
118gifc
36
Base36
14uo2g
md5
4aa1b42080b143d860f460a0469b29af
sha1
a41d9ea4d4eb51e2c052de6bf03cc4942053f003
sha256
38d29343ec3e02e1b8ddcca8cb9b1b02af039c8c21cad1aa4f73e7e39d9f980f
sha512
06ffaa2cc2bacc7cc526292d4b6aafc877cec830e13c01bb39d33fb24d546d1eea656b12161089cac69474eca5fcc3be4f1e61ed6a9d7f8a8e85e32068d6cf92
ripemd-160
44d035582052e67aec3ca43b84d0c4b558238a48
Diameter
137231024
Circumference
431123976.843
Area
1.4790896203279E+16
Volume
1.3531798879025E+24
Surface area
5.9163584813118E+16
Circumference
431123976.843
Perimeter
274462048
Area
4708088487022144
Diagonal
97036987.659574
Surface area
28248530922132864
Volume
3.2304790207833E+23
Space diagonal
118845552.97135
Perimeter
205846536
Area
2.0386621165131E+15
Altitude
59422776.485676
Surface area
2.0386621165131E+15
Volume
3.8071560367946E+22
Height
32345662.553191