68698905 is an odd 8-digits composite number following 68698904
and preceding 68698906 . In scientific notation, it is written as 6.8698905 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 33185280 positive integers (up to 68698905) that are relatively prime to 68698905.
68698905 has 32 divisors, whose sum is 120355200
The reverse of 68698905 is 50989686
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-eight million six hundred ninety-eight thousand nine hundred five
Scientific notation
6.8698905 × 10^7
Engineering notation
6.8698905 × 10^6
Prime Factorization
3 × 5 × 11 × 349 × 1193
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
68698905
Product of the distinct prime numbers
The prime factorization of 68698905 is 3 × 5 × 11 × 349 × 1193.
Since it has a total of 5 prime factors.
9 , 1 , 41 , 60 , 132 , 198 , 316 , 3089 , 26629 , 46499 , 220277 , 381810 , 3440926 , 6440832 , 46849298 , 23054583 , 211565766 , 68548692 , 7063505349 , 586655185
n×2
137397810
n×3
206096715
n×4
274795620
n×5
343494525
n÷2
34349452.5
n÷3
22899635
n÷3
17174726.25
n÷5
13739781
n2
4719539548199025
n3
3.2422719906547E+23
n4
2.2274053547015E+31
n5
1.5302030885913E+39
2 √n
8288.4802587688
3 √n
409.55912355361
4 √n
91.041091045576
5 √n
36.930906080382
1 , 3 , 5 , 11 , 15 , 33 , 55 , 165 , 349 , 1047 , 1193 , 1745 , 3579 , 3839 , 5235 , 5965 , 11517 , 13123 , 17895 , 19195 , 39369 , 57585 , 65615 , 196845 , 416357 , 1249071 , 2081785 , 4579927 , 6245355 , 13739781 , 22899635 , 68698905
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
-68698904
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 68698905 can be divided by 32 positive divisors.
The sum of these divisors (counting 68698905) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000110000100001100011001
3
Ternary
11210021021011220
4
Quaternary
10012010030121
5
Quinary
120041331110
6
Senary
10452242253
8
Octal
406041431
10
Decimal
68698905
12
Duodecimal
1b010389
16
Hexadecimal
4184319
20
Vigesimal
1197755
36
Base36
14wgex
md5
b58ec2d79eaa74a827fdea66019b0016
sha1
23cb3f0d51f9e7311fecca9ba4eebb0d91606de1
sha256
e46e7f971fe0d5da834506baaf975491db78495dc23090907fe71baa87049412
sha512
2d198e39179164b1b4ec490def098918c8013f520b502f618bec8911e1fd676302cc329d2677ec5ea4bf975977a8a62bb854623280a30b765c7491503468a4f1
ripemd-160
2d6e98cf9821d4a275247dc6d773a353137e6042
Diameter
137397810
Circumference
431647950.51533
Area
1.4826870772949E+16
Volume
1.3581197155708E+24
Surface area
5.9307483091794E+16
Circumference
431647950.51533
Perimeter
274795620
Area
4719539548199025
Diagonal
97154923.171181
Surface area
28317237289194150
Volume
3.2422719906547E+23
Space diagonal
118989993.88435
Perimeter
206096715
Area
2.0436205714528E+15
Altitude
59494996.942174
Surface area
2.0436205714528E+15
Volume
3.8210541850719E+22
Height
32384974.390394