685655428 is an even 9-digits composite number following 685655427
and preceding 685655429 . In scientific notation, it is written as 6.85655428 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 6 positive divisors.
There are 342827712 positive integers (up to 685655428) that are relatively prime to 685655428.
685655428 has 6 divisors, whose sum is 1199897006
The reverse of 685655428 is 824556586
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred eighty-five million six hundred fifty-five thousand four hundred twenty-eight
Scientific notation
6.85655428 × 10^8
Engineering notation
6.85655428 × 10^6
Prime Factorization
2 × 2 × 171413857
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
342827714
Product of the distinct prime numbers
The prime factorization of 685655428 is 2 × 2 × 171413857.
Since it has a total of 3 prime factors.
2 , 9 , 74 , 54 , 114 , 180 , 861 , 5068 , 41377 , 47297 , 724525 , 852434 , 6764653 , 9446477 , 57834286 , 96268661 , 542724628 , 990185797 , 542954521 , 7726690278
n×2
1371310856
n×3
2056966284
n×4
2742621712
n×5
3428277140
n÷2
342827714
n÷3
228551809.33333
n÷3
171413857
n÷5
137131085.6
n2
470123365945863184
n3
3.2234263769041E+26
n4
2.2101597920827E+35
n5
1.5154080581888E+44
2 √n
26185.022971157
3 √n
881.79704573475
4 √n
161.81786975225
5 √n
58.508799023821
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-685655427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 685655428 can be divided by 6 positive divisors.
The sum of these divisors (counting 685655428) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101000110111100100010110000100
3
Ternary
1202210011220102111
4
Quaternary
220313210112010
5
Quinary
2401011433203
6
Senary
152011550404
8
Octal
5067442604
10
Decimal
685655428
12
Duodecimal
17175b404
16
Hexadecimal
28de4584
20
Vigesimal
ae56ib8
36
Base36
bc7z44
md5
7b8e215e96481d7e761e1fe37ada3240
sha1
fe6579820049a974d8e3d32fbf5367d1b594cd34
sha256
02d718055381bff02f08635d6f327843600b9ef558fa76a2377b96d914925bc3
sha512
0617068d1968947589863bb98cf2553abb4cbe15e9b386995c1c950b253f415b75a3bc6fb5b4c52ce3751745cbe403556753764293c361b9493ccec84a4a2e1e
ripemd-160
ab553c40cd726936c30bc180dd909d72159a1968
Diameter
1371310856
Circumference
4308100110.9975
Area
1.4769361127364E+18
Volume
1.3502256833426E+27
Surface area
5.9077444509457E+18
Circumference
4308100110.9975
Perimeter
2742621712
Area
470123365945863184
Diagonal
969663205.39233
Surface area
2820740195675179104
Volume
3.2234263769041E+26
Space diagonal
1187590037.7814
Perimeter
2056966284
Area
2.0356938891088E+17
Altitude
593795018.89069
Surface area
2.0356938891088E+17
Volume
3.7988444162741E+25
Height
323221068.46411