685055985 is an odd 9-digits composite number following 685055984
and preceding 685055986 . In scientific notation, it is written as 6.85055985 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 362573120 positive integers (up to 685055985) that are relatively prime to 685055985.
685055985 has 8 divisors, whose sum is 736306560
The reverse of 685055985 is 589550586
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred eighty-five million fifty-five thousand nine hundred eighty-five
Scientific notation
6.85055985 × 10^8
Engineering notation
6.85055985 × 10^6
Prime Factorization
15 × 131 × 348629
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
685055985
Product of the distinct prime numbers
The prime factorization of 685055985 is 15 × 131 × 348629.
Since it has a total of 3 prime factors.
3 , 3 , 60 , 37 , 430 , 922 , 2169 , 6560 , 53764 , 71151 , 599789 , 327038 , 7706972 , 9224881 , 38275513 , 42942703 , 11103706 , 791260931 , 2029356003 , 1371781957
n×2
1370111970
n×3
2055167955
n×4
2740223940
n×5
3425279925
n÷2
342527992.5
n÷3
228351995
n÷3
171263996.25
n÷5
137011197
n2
469301702584320225
n3
3.2149794012608E+26
n4
2.2024408804854E+35
n5
1.5087953067852E+44
2 √n
26173.5741732
3 √n
881.53999670736
4 √n
161.78249031709
5 √n
58.498565031609
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
-685055984
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 685055985 can be divided by 8 positive divisors.
The sum of these divisors (counting 685055985) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000110101010001111111110001
3
Ternary
1202202001110010220
4
Quaternary
220311101333301
5
Quinary
2400333242420
6
Senary
151551043253
8
Octal
5065217761
10
Decimal
685055985
12
Duodecimal
171510529
16
Hexadecimal
28d51ff1
20
Vigesimal
ae1bjj5
36
Base36
bbv4kx
md5
cd169dcc50348d90bb7f090baa087aea
sha1
3283fd247b2107ec0423ac3462de342b06d41110
sha256
2998f938c2b513bed75626d54f181828b6909ca1d1a93ac6834a55d046bf9f42
sha512
61e0475c625fedf798c1bd9ba4dd17d5f49efcba44c17993331295dbe1510677f7512f458e1c28c7678dce9330b922b954742010bb87cb91dc789adbefb09387
ripemd-160
0206dad2be09d68f45ef828f1da5b8528d83868a
Diameter
1370111970
Circumference
4304333699.5474
Area
1.4743547811561E+18
Volume
1.3466874224591E+27
Surface area
5.8974191246243E+18
Circumference
4304333699.5474
Perimeter
2740223940
Area
469301702584320225
Diagonal
968815464.97186
Surface area
2815810215505921350
Volume
3.2149794012608E+26
Space diagonal
1186551772.0491
Perimeter
2055167955
Area
2.0321359823866E+17
Altitude
593275886.02457
Surface area
2.0321359823866E+17
Volume
3.7888895600109E+25
Height
322938488.32395