685156985 is an odd 9-digits composite number following 685156984
and preceding 685156986 . In scientific notation, it is written as 6.85156985 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 543674112 positive integers (up to 685156985) that are relatively prime to 685156985.
685156985 has 16 divisors, whose sum is 828890064
The reverse of 685156985 is 589651586
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred eighty-five million one hundred fifty-six thousand nine hundred eighty-five
Scientific notation
6.85156985 × 10^8
Engineering notation
6.85156985 × 10^6
Prime Factorization
5 × 653 × 173 × 1213
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
685156985
Product of the distinct prime numbers
The prime factorization of 685156985 is 5 × 653 × 173 × 1213.
Since it has a total of 4 prime factors.
1 , 4 , 92 , 41 , 914 , 754 , 3273 , 1456 , 72932 , 43764 , 8898 , 176509 , 1503339 , 1646292 , 67632508 , 21961663 , 949060386 , 314165069 , 9096567984 , 2426901240
n×2
1370313970
n×3
2055470955
n×4
2740627940
n×5
3425784925
n÷2
342578492.5
n÷3
228385661.66667
n÷3
171289246.25
n÷5
137031397
n2
469440094094290225
n3
3.2164015950776E+26
n4
2.2037400194326E+35
n5
1.5099078674383E+44
2 √n
26175.503529063
3 √n
881.58331733437
4 √n
161.78845301524
5 √n
58.500289856089
1 , 5 , 173 , 653 , 865 , 1213 , 3265 , 6065 , 112969 , 209849 , 564845 , 792089 , 1049245 , 3960445 , 137031397 , 685156985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-685156984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 685156985 can be divided by 16 positive divisors.
The sum of these divisors (counting 685156985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000110101101010101001111001
3
Ternary
1202202020120200122
4
Quaternary
220311222221321
5
Quinary
2400400010420
6
Senary
151553143025
8
Octal
5065525171
10
Decimal
685156985
12
Duodecimal
17155aa75
16
Hexadecimal
28d6aa79
20
Vigesimal
ae24c95
36
Base36
bbxaih
md5
02233d65a5b0e7f0bb4c78587dd279c3
sha1
43cc038eacc0a3db7ea2912de58d00a7cfd09eb1
sha256
6ac948b4d04fd265fb8d54ecd165af00d6142d37cc2b3a4b3a78723407d79230
sha512
53c1781d7656ac2377666cb7b1e4fd20f11e5197fcb42f1cc5358f502cba0c71340b3b586c2d1f3bc18406786973506c823901cc173239335ebdee5c1ccba6b2
ripemd-160
dd37c586d432246d3db2fe85249d78c9c4fec7ab
Diameter
1370313970
Circumference
4304968301.2635
Area
1.4747895509071E+18
Volume
1.347283149612E+27
Surface area
5.8991582036285E+18
Circumference
4304968301.2635
Perimeter
2740627940
Area
469440094094290225
Diagonal
968958300.54166
Surface area
2816640564565741350
Volume
3.2164015950776E+26
Space diagonal
1186726709.1807
Perimeter
2055470955
Area
2.0327352352031E+17
Altitude
593363354.59035
Surface area
2.0327352352031E+17
Volume
3.7905656314977E+25
Height
322986100.18055