685655390 is an even 9-digits composite number following 685655389
and preceding 685655391 . In scientific notation, it is written as 6.85655390 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 221246976 positive integers (up to 685655390) that are relatively prime to 685655390.
685655390 has 16 divisors, whose sum is 1234826208
The reverse of 685655390 is 093556586
Previous prime number is 2023
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred eighty-five million six hundred fifty-five thousand three hundred ninety
Scientific notation
6.85655390 × 10^8
Engineering notation
6.85655390 × 10^6
Prime Factorization
2 × 5 × 2023 × 33893
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
685655390
Product of the distinct prime numbers
The prime factorization of 685655390 is 2 × 5 × 2023 × 33893.
Since it has a total of 4 prime factors.
9 , 2 , 79 , 16 , 992 , 272 , 6770 , 568 , 35715 , 68958 , 31730 , 266677 , 6349695 , 5122186 , 261193 , 93859809 , 134995114 , 755180912 , 2260769388 , 9710785634
n×2
1371310780
n×3
2056966170
n×4
2742621560
n×5
3428276950
n÷2
342827695
n÷3
228551796.66667
n÷3
171413847.5
n÷5
137131078
n2
470123313836052100
n3
3.2234258409635E+26
n4
2.2101593021219E+35
n5
1.5154076382585E+44
2 √n
26185.022245551
3 √n
881.7970294446
4 √n
161.81786751021
5 √n
58.508798375293
1 , 2 , 5 , 10 , 2023 , 4046 , 10115 , 20230 , 33893 , 67786 , 169465 , 338930 , 68565539 , 137131078 , 342827695 , 685655390
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
-685655389
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 685655390 can be divided by 16 positive divisors.
The sum of these divisors (counting 685655390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000110111100100010101011110
3
Ternary
1202210011220101002
4
Quaternary
220313210111132
5
Quinary
2401011433030
6
Senary
152011550302
8
Octal
5067442536
10
Decimal
685655390
12
Duodecimal
17175b392
16
Hexadecimal
28de455e
20
Vigesimal
ae56i9a
36
Base36
bc7z32
md5
38513682d6e66e326b4dbaa1c4326579
sha1
9ffbb6c4571d82249c00fd370ac6316bb747e14d
sha256
ffcb1be21fb919ab34c7e853a776842b3aa0206af48f51cb69f9bcaab850bd4e
sha512
b92b63f4dc3dd6c4cc07ded669fb3eb3fb04da3ffcc62ce7aac1bbb91cd08b1dc24de50513f0fbaba39b8888d9e4ed561ff771ba2e93f5465bbad0530418b274
ripemd-160
582d5c48928c09763f14fc8a856be84ac7d0de15
Diameter
1371310780
Circumference
4308099872.2365
Area
1.4769359490286E+18
Volume
1.3502254588483E+27
Surface area
5.9077437961145E+18
Circumference
4308099872.2365
Perimeter
2742621560
Area
470123313836052100
Diagonal
969663151.65221
Surface area
2820739883016312600
Volume
3.2234258409635E+26
Space diagonal
1187589971.9635
Perimeter
2056966170
Area
2.0356936634667E+17
Altitude
593794985.98173
Surface area
2.0356936634667E+17
Volume
3.7988437846621E+25
Height
323221050.55074