686398085 is an odd 9-digits composite number following 686398084
and preceding 686398086 . In scientific notation, it is written as 6.86398085 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 493751808 positive integers (up to 686398085) that are relatively prime to 686398085.
686398085 has 16 divisors, whose sum is 755368320
The reverse of 686398085 is 580893686
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred eighty-six million three hundred ninety-eight thousand eighty-five
Scientific notation
6.86398085 × 10^8
Engineering notation
6.86398085 × 10^6
Prime Factorization
685 × 23 × 19 × 2293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
686398085
Product of the distinct prime numbers
The prime factorization of 686398085 is 685 × 23 × 19 × 2293.
Since it has a total of 4 prime factors.
10 , 9 , 81 , 23 , 256 , 833 , 4722 , 6062 , 96312 , 18246 , 377413 , 623587 , 4539472 , 545401 , 87430724 , 97456968 , 79200423 , 963712442 , 2079501119 , 8420277225
n×2
1372796170
n×3
2059194255
n×4
2745592340
n×5
3431990425
n÷2
343199042.5
n÷3
228799361.66667
n÷3
171599521.25
n÷5
137279617
n2
471142331091667225
n3
3.2339119382376E+26
n4
2.2197509614649E+35
n5
1.5236328091264E+44
2 √n
26199.200083209
3 √n
882.11529910499
4 √n
161.86166959231
5 √n
58.521468114994
1 , 19 , 23 , 437 , 685 , 2293 , 13015 , 15755 , 43567 , 52739 , 299345 , 1002041 , 1570705 , 29843395 , 36126215 , 686398085
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-686398084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 686398085 can be divided by 16 positive divisors.
The sum of these divisors (counting 686398085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000111010011001101010000101
3
Ternary
1202211120122011022
4
Quaternary
220322121222011
5
Quinary
2401204214320
6
Senary
152035520525
8
Octal
5072315205
10
Decimal
686398085
12
Duodecimal
171a59145
16
Hexadecimal
28e99a85
20
Vigesimal
ae9jf45
36
Base36
bcnw5h
md5
514c527a57294afa8ab0c496cc56a064
sha1
685219f84417eb971032a9f3cd3a945ea2a6ac4e
sha256
7d68e34970290f96541d452eadfd569624703e8154e495252d2552e66b0f4181
sha512
1ad2452f1ee49d4a6211bdbbba46b1c21e3db0735845312148d604f4287669faafd572804e7036192a432b9112fc1aa764592199fea51b3e9cf09beca8c3cc3d
ripemd-160
66d750acfed64a555baf3915837d7e3a5de4e09b
Diameter
1372796170
Circumference
4312766362.5482
Area
1.4801372861528E+18
Volume
1.3546178650031E+27
Surface area
5.920549144611E+18
Circumference
4312766362.5482
Perimeter
2745592340
Area
471142331091667225
Diagonal
970713480.99392
Surface area
2826853986550003350
Volume
3.2339119382376E+26
Space diagonal
1188876357.438
Perimeter
2059194255
Area
2.040106137618E+17
Altitude
594438178.71899
Surface area
2.040106137618E+17
Volume
3.8112017688132E+25
Height
323571160.33131