68091512 is an even 8-digits composite number following 68091511
and preceding 68091513 . In scientific notation, it is written as 6.8091512 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 8 positive divisors.
There are 34045752 positive integers (up to 68091512) that are relatively prime to 68091512.
68091512 has 8 divisors, whose sum is 127671600
The reverse of 68091512 is 21519086
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
sixty-eight million ninety-one thousand five hundred twelve
Scientific notation
6.8091512 × 10^7
Engineering notation
6.8091512 × 10^6
Prime Factorization
2 × 2 × 2 × 8511439
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
17022878
Product of the distinct prime numbers
The prime factorization of 68091512 is 2 × 2 × 2 × 8511439.
Since it has a total of 4 prime factors.
8 , 10 , 64 , 76 , 192 , 559 , 4199 , 9685 , 40395 , 1618 , 463814 , 135979 , 4609620 , 8092936 , 63915782 , 78261828 , 475917537 , 288212057 , 5820563593 , 8914190879
n×2
136183024
n×3
204274536
n×4
272366048
n×5
340457560
n÷2
34045756
n÷3
22697170.666667
n÷3
17022878
n÷5
13618302.4
n2
4636454006446144
n3
3.1570316361738E+23
n4
2.149670575389E+31
n5
1.4637431978015E+39
2 √n
8251.7581156987
3 √n
408.34852636329
4 √n
90.839188215763
5 √n
36.865369875099
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
-68091511
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 68091512 can be divided by 8 positive divisors.
The sum of these divisors (counting 68091512) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000011101111111001111000
3
Ternary
11202010101222212
4
Quaternary
10003233321320
5
Quinary
114412412022
6
Senary
10431234252
8
Octal
403577170
10
Decimal
68091512
12
Duodecimal
1a978988
16
Hexadecimal
40efe78
20
Vigesimal
115b8fc
36
Base36
14jfqw
md5
bb0c8ef84ae4cace10ca916ffccffc8b
sha1
c4ed22f2f834b011b0417084d654fff61e522b64
sha256
88946910b8b6e2d3286a0fbaf3aea5aee4fdc6bd47a13c47e50ac424542817a7
sha512
9d5f950de29572e9085008aa644b696c428660d882923f8392ca6c909b2d5d375eb2f665214ae368a5a171c47af7a4ca80416c24a37588bb9671526c2021b89d
ripemd-160
3e7c7b45b6f8ba468940dfb108df6480891c4201
Diameter
136183024
Circumference
427831587.74204
Area
1.4565849845358E+16
Volume
1.3224143193805E+24
Surface area
5.8263399381433E+16
Circumference
427831587.74204
Perimeter
272366048
Area
4636454006446144
Diagonal
96295939.75289
Surface area
27818724038676864
Volume
3.1570316361738E+23
Space diagonal
117937958.34819
Perimeter
204274536
Area
2.0076434765302E+15
Altitude
58968979.174093
Surface area
2.0076434765302E+15
Volume
3.7205974639315E+22
Height
32098646.584297