685453985 is an odd 9-digits composite number following 685453984
and preceding 685453986 . In scientific notation, it is written as 6.85453985 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 547171840 positive integers (up to 685453985) that are relatively prime to 685453985.
685453985 has 8 divisors, whose sum is 824331816
The reverse of 685453985 is 589354586
Previous prime number is 461
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred eighty-five million four hundred fifty-three thousand nine hundred eighty-five
Scientific notation
6.85453985 × 10^8
Engineering notation
6.85453985 × 10^6
Prime Factorization
5 × 461 × 297377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
685453985
Product of the distinct prime numbers
The prime factorization of 685453985 is 5 × 461 × 297377.
Since it has a total of 3 prime factors.
5 , 2 , 1 , 70 , 558 , 15 , 5871 , 242 , 25343 , 58239 , 408207 , 32458 , 8353369 , 7456948 , 88172008 , 31937559 , 897023306 , 837129807 , 2145906620 , 8915859661
n×2
1370907970
n×3
2056361955
n×4
2741815940
n×5
3427269925
n÷2
342726992.5
n÷3
228484661.66667
n÷3
171363496.25
n÷5
137090797
n2
469847165552380225
n3
3.2205861196883E+26
n4
2.2075635897761E+35
n5
1.5131832597529E+44
2 √n
26181.17615769
3 √n
881.71068105178
4 √n
161.80598307136
5 √n
58.505360686469
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
-685453984
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 685453985 can be divided by 8 positive divisors.
The sum of these divisors (counting 685453985) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000110110110011001010100001
3
Ternary
1202202210200002122
4
Quaternary
220312303022201
5
Quinary
2400434011420
6
Senary
152003354025
8
Octal
5066631241
10
Decimal
685453985
12
Duodecimal
171682915
16
Hexadecimal
28db32a1
20
Vigesimal
ae41ej5
36
Base36
bc3noh
md5
5abf719b98060fd98737bd144797d2b9
sha1
4c37782ff725cfdad1e7a982860724a567545602
sha256
1e1a9c7ce857841751e0383d4088bfb79eb128066e9da75088532629b98f5547
sha512
10bb5e88ddc9fb1a9df03773cc6ba834ddc32294edac603932e80c76cb6ef6376ea010ecf51ec433ba61ee8a874b91bc757c55fd986599519c511b6dda1042cc
ripemd-160
313b11df4beb6710afcd506b73d7b1fcefe05dde
Diameter
1370907970
Circumference
4306834407.2997
Area
1.4760684036093E+18
Volume
1.3490359591822E+27
Surface area
5.9042736144374E+18
Circumference
4306834407.2997
Perimeter
2741815940
Area
469847165552380225
Diagonal
969378321.96968
Surface area
2819082993314281350
Volume
3.2205861196883E+26
Space diagonal
1187241128.2706
Perimeter
2056361955
Area
2.0344979063224E+17
Altitude
593620564.13528
Surface area
2.0344979063224E+17
Volume
3.7954971410448E+25
Height
323126107.32323