68809328 is an even 8-digits composite number following 68809327
and preceding 68809329 . In scientific notation, it is written as 6.8809328 × 10^7.
The sum of its digits is 44. It has a total of 7 prime factors and 30 positive divisors.
There are 29489376 positive integers (up to 68809328) that are relatively prime to 68809328.
68809328 has 30 divisors, whose sum is 155086056
The reverse of 68809328 is 82390886
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-eight million eight hundred nine thousand three hundred twenty-eight
Scientific notation
6.8809328 × 10^7
Engineering notation
6.8809328 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 7 × 87767
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1228738
Product of the distinct prime numbers
The prime factorization of 68809328 is 2 × 2 × 2 × 2 × 7 × 7 × 87767.
Since it has a total of 7 prime factors.
6 , 5 , 47 , 94 , 345 , 222 , 6588 , 798 , 48067 , 28749 , 654653 , 24673 , 6991791 , 2104513 , 28555770 , 91209090 , 165517289 , 742543468 , 1409902699 , 2504331380
n×2
137618656
n×3
206427984
n×4
275237312
n×5
344046640
n÷2
34404664
n÷3
22936442.666667
n÷3
17202332
n÷5
13761865.6
n2
4734723619811584
n3
3.2579315054496E+23
n4
2.2417607756002E+31
n5
1.5425405250581E+39
2 √n
8295.1388174038
3 √n
409.77844067416
4 √n
91.077652678381
5 √n
36.942770613155
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 49 , 56 , 98 , 112 , 196 , 392 , 784 , 87767 , 175534 , 351068 , 614369 , 702136 , 1228738 , 1404272 , 2457476 , 4300583 , 4914952 , 8601166 , 9829904 , 17202332 , 34404664 , 68809328
30 divisors
τ
Total Divisors
30
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68809327
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.033333333333333
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
30
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68809328 can be divided by 30 positive divisors.
The sum of these divisors (counting 68809328) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
100000110011111001001110000
3
Ternary
11210110212122122
4
Quaternary
10012133021300
5
Quinary
120103344303
6
Senary
10454453412
8
Octal
406371160
10
Decimal
68809328
12
Duodecimal
1b064268
16
Hexadecimal
419f270
20
Vigesimal
11a1368
36
Base36
14ytm8
md5
3af3efd906e73cc1ccbe67ff955dd312
sha1
50fefd253ec81e8f5d9d9a6cf90df12d8d1aac54
sha256
7f7ff6ce345a866b3b44ca98e76106654340db4bcdf6e116b02d7ec34610477f
sha512
c9459d0aeb447738243dd939ba15c57fdd779bf397da8c8794727f2f90852b5535531e759ec3c69bf5610dbe8e572ac457da2bc63aa74281d21a618d3ec88812
ripemd-160
2b02715af43a384a5f2bc21f64a11900d853146b
Diameter
137618656
Circumference
432341758.6865
Area
1.4874572940778E+16
Volume
1.3646791577892E+24
Surface area
5.9498291763113E+16
Circumference
432341758.6865
Perimeter
275237312
Area
4734723619811584
Diagonal
97311084.875379
Surface area
28408341718869504
Volume
3.2579315054496E+23
Space diagonal
119181252.13067
Perimeter
206427984
Area
2.0501954673275E+15
Altitude
59590626.065336
Surface area
2.0501954673275E+15
Volume
3.8395091002412E+22
Height
32437028.291793