686998421 is an odd 9-digits composite number following 686998420
and preceding 686998422 . In scientific notation, it is written as 6.86998421 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 682884492 positive integers (up to 686998421) that are relatively prime to 686998421.
686998421 has 4 divisors, whose sum is 691112352
The reverse of 686998421 is 124899686
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred eighty-six million nine hundred ninety-eight thousand four hundred twenty-one
Scientific notation
6.86998421 × 10^8
Engineering notation
6.86998421 × 10^6
Prime Factorization
167 × 4113763
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
686998421
Product of the distinct prime numbers
The prime factorization of 686998421 is 167 × 4113763.
Since it has a total of 2 prime factors.
4 , 5 , 68 , 14 , 682 , 342 , 6288 , 1105 , 86064 , 36583 , 743282 , 954611 , 2856919 , 2381791 , 42546121 , 41880774 , 607401629 , 436521007 , 5530313017 , 3455535420
n×2
1373996842
n×3
2060995263
n×4
2747993684
n×5
3434992105
n÷2
343499210.5
n÷3
228999473.66667
n÷3
171749605.25
n÷5
137399684.2
n2
471966830456493241
n3
3.2424046728799E+26
n4
2.2275268905115E+35
n5
1.5303074565164E+44
2 √n
26210.654722841
3 √n
882.37239542057
4 √n
161.89704976571
5 √n
58.531701319391
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-686998420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 686998421 can be divided by 4 positive divisors.
The sum of these divisors (counting 686998421) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000111100101100001110010101
3
Ternary
1202212201010122222
4
Quaternary
220330230032111
5
Quinary
2401332422141
6
Senary
152100432125
8
Octal
5074541625
10
Decimal
686998421
12
Duodecimal
1720a8645
16
Hexadecimal
28f2c395
20
Vigesimal
aedeg11
36
Base36
bd0rdh
md5
f9b793195bde5f69c34da0443feb5fc8
sha1
4f83beacfe99dc402d2ec483d37b441204e8ebec
sha256
739268db3e8d08209a202340780575c5bbd5632d9e6811fb3593e549e2f63736
sha512
73226ff7d4954745c64a25282c91e68ea92f17b2c9ff8a0af0ee48782500f4e5bb006380a0dd582f178216b206c3f7f2b55fb3390f2a8a4176441472c72649b6
ripemd-160
11e5386797db7fe737f4324e9ac06c55519de22f
Diameter
1373996842
Circumference
4316538384.8828
Area
1.4827275273002E+18
Volume
1.3581752933713E+27
Surface area
5.9309101092007E+18
Circumference
4316538384.8828
Perimeter
2747993684
Area
471966830456493241
Diagonal
971562484.3071
Surface area
2831800982738959446
Volume
3.2424046728799E+26
Space diagonal
1189916169.8916
Perimeter
2060995263
Area
2.0436763245947E+17
Altitude
594958084.9458
Surface area
2.0436763245947E+17
Volume
3.8212105525738E+25
Height
323854161.4357