686398421 is an odd 9-digits prime number following 686398420
and preceding 686398422 . In scientific notation, it is written as 6.86398421 × 10^8.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 686398420 positive integers (up to 686398421) that are relatively prime to 686398421.
686398421 has 2 divisors, whose sum is 686398422
The reverse of 686398421 is 124893686
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred eighty-six million three hundred ninety-eight thousand four hundred twenty-one
Scientific notation
6.86398421 × 10^8
Engineering notation
6.86398421 × 10^6
Prime Factorization
686398421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
686398421
Product of the distinct prime numbers
The prime factorization of 686398421 is 686398421.
Since it has a total of 1 prime factors.
6 , 5 , 52 , 35 , 362 , 528 , 4170 , 171 , 57156 , 47271 , 470655 , 331100 , 8189159 , 4566899 , 90055512 , 77675546 , 684061144 , 691252647 , 1410711149 , 9157670275
n×2
1372796842
n×3
2059195263
n×4
2745593684
n×5
3431992105
n÷2
343199210.5
n÷3
228799473.66667
n÷3
171599605.25
n÷5
137279684.2
n2
471142792351293241
n3
3.2339166873546E+26
n4
2.2197553078457E+35
n5
1.5236365383117E+44
2 √n
26199.206495617
3 √n
882.11544304027
4 √n
161.8616894006
5 √n
58.521473844383
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
686398422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
343199211
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
26199.206514702
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999970862
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 686398421 can be divided by 2 positive divisors.
The sum of these divisors (counting 686398421) is 686398422, the average is 343199211.
Base
System
Value
2
Binary
101000111010011001101111010101
3
Ternary
1202211120122121202
4
Quaternary
220322121233111
5
Quinary
2401204222141
6
Senary
152035522245
8
Octal
5072315725
10
Decimal
686398421
12
Duodecimal
171a59385
16
Hexadecimal
28e99bd5
20
Vigesimal
ae9jg11
36
Base36
bcnwet
md5
7343a3d317dd337ae86f6f8b52f8fa45
sha1
aaeb4266342ee3b22544b43f7b1e861c9ae76dc6
sha256
5524a9ee03bb7bf31b6f086535af7b0403ca2f5bda03599096b1e9c921732b0e
sha512
3eff3d305ca53d0cbc5dea908eb1e42f4930a31bf2fdbff6dc776df42b990793b49fc5128684b6b7bede09bd390b9b0952110aa18dfbba96b3a1527aba81ad1f
ripemd-160
9a5f224446f27f259215b531454983fb9d22e0d9
Diameter
1372796842
Circumference
4312768473.6985
Area
1.4801387352426E+18
Volume
1.3546198543086E+27
Surface area
5.9205549409704E+18
Circumference
4312768473.6985
Perimeter
2745593684
Area
471142792351293241
Diagonal
970713956.16968
Surface area
2826856754107759446
Volume
3.2339166873546E+26
Space diagonal
1188876939.4071
Perimeter
2059195263
Area
2.0401081349308E+17
Altitude
594438469.70353
Surface area
2.0401081349308E+17
Volume
3.8112073657013E+25
Height
323571318.72323