685280389 is an odd 9-digits composite number following 685280388
and preceding 685280390 . In scientific notation, it is written as 6.85280389 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 662672880 positive integers (up to 685280389) that are relatively prime to 685280389.
685280389 has 8 divisors, whose sum is 707921408
The reverse of 685280389 is 983082586
Previous prime number is 1447
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred eighty-five million two hundred eighty thousand three hundred eighty-nine
Scientific notation
6.85280389 × 10^8
Engineering notation
6.85280389 × 10^6
Prime Factorization
31 × 1447 × 15277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
685280389
Product of the distinct prime numbers
The prime factorization of 685280389 is 31 × 1447 × 15277.
Since it has a total of 3 prime factors.
2 , 8 , 89 , 59 , 901 , 968 , 7241 , 3676 , 1331 , 74551 , 137052 , 827890 , 5539492 , 6890824 , 97774710 , 68127371 , 569947997 , 971847932 , 6925515755 , 4606752437
n×2
1370560778
n×3
2055841167
n×4
2741121556
n×5
3426401945
n÷2
342640194.5
n÷3
228426796.33333
n÷3
171320097.25
n÷5
137056077.8
n2
469609211547991321
n3
3.2181398316759E+26
n4
2.2053281157073E+35
n5
1.5112681090045E+44
2 √n
26177.860665073
3 √n
881.63624164187
4 √n
161.79573747498
5 √n
58.502397008138
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
-685280388
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 685280389 can be divided by 8 positive divisors.
The sum of these divisors (counting 685280389) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000110110001000110010000101
3
Ternary
1202202110211222011
4
Quaternary
220312020302011
5
Quinary
2400412433024
6
Senary
151555534221
8
Octal
5066106205
10
Decimal
685280389
12
Duodecimal
1715ba371
16
Hexadecimal
28d88c85
20
Vigesimal
ae300j9
36
Base36
bbzxqd
md5
8fd1963bd5c0a03df9a3528b1a4b5d4c
sha1
635f54aea47e06858ca54ba4068b4a2a6d731e86
sha256
96626cea5a407b415ebb897f7667cb592441fb4d7b0a9e825a5cbf7e29bff670
sha512
6afaf6a43f5c523a45184155b9ef9ab0a96ebecbb37bd7847359eb22c11d274ca5092fc2ec087d6afbee0c536f35e8ed27977510eba040439f1700ddf7a1fdd2
ripemd-160
f44aafd6d8f1c81ff5e014ab1d6f877c6958a00e
Diameter
1370560778
Circumference
4305743671.4631
Area
1.4753208490573E+18
Volume
1.3480112604557E+27
Surface area
5.9012833962291E+18
Circumference
4305743671.4631
Perimeter
2741121556
Area
469609211547991321
Diagonal
969132820.15211
Surface area
2817655269287947926
Volume
3.2181398316759E+26
Space diagonal
1186940451.1786
Perimeter
2055841167
Area
2.0334675352587E+17
Altitude
593470225.58928
Surface area
2.0334675352587E+17
Volume
3.7926141629743E+25
Height
323044273.38404