686398420 is an even 9-digits composite number following 686398419
and preceding 686398421 . In scientific notation, it is written as 6.86398420 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 274559360 positive integers (up to 686398420) that are relatively prime to 686398420.
686398420 has 12 divisors, whose sum is 1441436724
The reverse of 686398420 is 024893686
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred eighty-six million three hundred ninety-eight thousand four hundred twenty
Scientific notation
6.86398420 × 10^8
Engineering notation
6.86398420 × 10^6
Prime Factorization
2 × 2 × 5 × 34319921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
343199210
Product of the distinct prime numbers
The prime factorization of 686398420 is 2 × 2 × 5 × 34319921.
Since it has a total of 4 prime factors.
9 , 1 , 53 , 87 , 31 , 280 , 7723 , 6817 , 34745 , 30455 , 340963 , 947618 , 5873273 , 5855416 , 94637998 , 70388554 , 113440241 , 881282382 , 1984735532 , 1625911668
n×2
1372796840
n×3
2059195260
n×4
2745593680
n×5
3431992100
n÷2
343199210
n÷3
228799473.33333
n÷3
171599605
n÷5
137279684
n2
471142790978496400
n3
3.2339166732203E+26
n4
2.2197552949101E+35
n5
1.5236365272129E+44
2 √n
26199.206476533
3 √n
882.11544261189
4 √n
161.86168934165
5 √n
58.521473827331
1 , 2 , 4 , 5 , 10 , 20 , 34319921 , 68639842 , 137279684 , 171599605 , 343199210 , 686398420
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-686398419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 686398420 can be divided by 12 positive divisors.
The sum of these divisors (counting 686398420) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101000111010011001101111010100
3
Ternary
1202211120122121201
4
Quaternary
220322121233110
5
Quinary
2401204222140
6
Senary
152035522244
8
Octal
5072315724
10
Decimal
686398420
12
Duodecimal
171a59384
16
Hexadecimal
28e99bd4
20
Vigesimal
ae9jg10
36
Base36
bcnwes
md5
6930a09cd80a7230464f3f8de11ea0a2
sha1
d5a934483bbbd7abe99472f7053f0676f030d9f7
sha256
b25019372b12cb98900b1e977e8a7f6f0d10021a8dee6bffac1cb427f5db2ceb
sha512
4df0fafcf744bfae54e83acb7f37e352c6004b0aadc4e541f308347e14539eb36483a6815f31576d126903c144a27e79627ebca1152215fc325af4cf0713b0ae
ripemd-160
726179655d82a2c0e8f619cad4af4e52e1358f98
Diameter
1372796840
Circumference
4312768467.4153
Area
1.4801387309298E+18
Volume
1.3546198483881E+27
Surface area
5.9205549237193E+18
Circumference
4312768467.4153
Perimeter
2745593680
Area
471142790978496400
Diagonal
970713954.75546
Surface area
2826856745870978400
Volume
3.2339166732203E+26
Space diagonal
1188876937.675
Perimeter
2059195260
Area
2.0401081289864E+17
Altitude
594438468.8375
Surface area
2.0401081289864E+17
Volume
3.8112073490439E+25
Height
323571318.25182