685280390 is an even 9-digits composite number following 685280389
and preceding 685280391 . In scientific notation, it is written as 6.85280390 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 274112152 positive integers (up to 685280390) that are relatively prime to 685280390.
685280390 has 8 divisors, whose sum is 1233504720
The reverse of 685280390 is 093082586
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred eighty-five million two hundred eighty thousand three hundred ninety
Scientific notation
6.85280390 × 10^8
Engineering notation
6.85280390 × 10^6
Prime Factorization
2 × 5 × 68528039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
685280390
Product of the distinct prime numbers
The prime factorization of 685280390 is 2 × 5 × 68528039.
Since it has a total of 3 prime factors.
10 , 5 , 35 , 97 , 630 , 478 , 845 , 8001 , 62452 , 21535 , 857356 , 446638 , 9488980 , 820959 , 6431587 , 29627662 , 888448896 , 803470777 , 8937320702 , 3215857740
n×2
1370560780
n×3
2055841170
n×4
2741121560
n×5
3426401950
n÷2
342640195
n÷3
228426796.66667
n÷3
171320097.5
n÷5
137056078
n2
469609212918552100
n3
3.2181398457642E+26
n4
2.2053281285798E+35
n5
1.5112681200311E+44
2 √n
26177.860684174
3 √n
881.63624207072
4 √n
161.79573753401
5 √n
58.502397025212
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-685280389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 685280390 can be divided by 8 positive divisors.
The sum of these divisors (counting 685280390) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000110110001000110010000110
3
Ternary
1202202110211222012
4
Quaternary
220312020302012
5
Quinary
2400412433030
6
Senary
151555534222
8
Octal
5066106206
10
Decimal
685280390
12
Duodecimal
1715ba372
16
Hexadecimal
28d88c86
20
Vigesimal
ae300ja
36
Base36
bbzxqe
md5
25b08aeca83f4199cc3548be8d3990c2
sha1
356eb2eefab02eacd227a39be0e7b96668ea9f69
sha256
fe3ef8d695f5831954b03de9c5b70a39b320753e667503b1dfc688d481c291f8
sha512
10fb3d3e3291d5a6995cb92d538e150827450f859aaf9631779237bd1efdfcf99b61d9c327ea567b81741395d2f094402e3cec4fcf8727816fd9a331b773751e
ripemd-160
d7bdb161363ca9f85694f5a1057f328edd9224a0
Diameter
1370560780
Circumference
4305743677.7463
Area
1.475320853363E+18
Volume
1.348011266357E+27
Surface area
5.901283413452E+18
Circumference
4305743677.7463
Perimeter
2741121560
Area
469609212918552100
Diagonal
969132821.56632
Surface area
2817655277511312600
Volume
3.2181398457642E+26
Space diagonal
1186940452.9106
Perimeter
2055841170
Area
2.0334675411934E+17
Altitude
593470226.45531
Surface area
2.0334675411934E+17
Volume
3.7926141795775E+25
Height
323044273.85544