385645 is an odd 6-digits composite number following 385644
and preceding 385646 . In scientific notation, it is written as 3.85645 × 10^5.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 267264 positive integers (up to 385645) that are relatively prime to 385645.
385645 has 16 divisors, whose sum is 529200
The reverse of 385645 is 546583
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 31
Digital Root 4
Name
three hundred eighty-five thousand six hundred forty-five
Scientific notation
3.85645 × 10^5
Engineering notation
3.85645 × 10^3
Prime Factorization
17 × 5 × 13 × 349
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
385645
Product of the distinct prime numbers
The prime factorization of 385645 is 17 × 5 × 13 × 349.
Since it has a total of 4 prime factors.
9 , 8 , 11 , 32 , 233 , 288 , 6311 , 9839 , 92299 , 34220 , 985587 , 742184 , 3906506 , 1606124 , 56279005 , 66120547 , 306440179 , 880515433 , 5028826144 , 6842075789
n×2
771290
n×3
1156935
n×4
1542580
n×5
1928225
n÷2
192822.5
n÷3
128548.33333333
n÷3
96411.25
n÷5
77129
n2
148722066025
n3
57353921152211125
n4
2.2118252922744E+22
n5
8.5297936483918E+27
2 √n
621.00322060356
3 √n
72.788466252337
4 √n
24.919936207855
5 √n
13.098981868578
1 , 5 , 13 , 17 , 65 , 85 , 221 , 349 , 1105 , 1745 , 4537 , 5933 , 22685 , 29665 , 77129 , 385645
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
-385644
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 385645 can be divided by 16 positive divisors.
The sum of these divisors (counting 385645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011110001001101101
3
Ternary
201121000011
4
Quaternary
1132021231
5
Quinary
44320040
6
Senary
12133221
8
Octal
1361155
10
Decimal
385645
12
Duodecimal
167211
16
Hexadecimal
5e26d
20
Vigesimal
28425
36
Base36
89kd
md5
7a3949207d5539f703a55d93d9d7931e
sha1
1d6c50950dbf6cef2f8757bffecfec1f58e10971
sha256
44fc3ed387582880a4fc4d931191637f38e858982dfacc90c7b77e11e8a16230
sha512
ae84fe89141e6f9cbd2b6c495c3a42eb101c7e916c4aebb28fdc89864a2111e0c7de053440b16ce113fccf61d9739b983232e94af67c677ec564f0533f1e5dc0
ripemd-160
390e806d5b56acb01170bf148b174c7be064d7ad
Diameter
771290
Circumference
2423078.9977873
Area
467224150050.84
Volume
2.4024354312847E+17
Surface area
1868896600203.3
Circumference
2423078.9977873
Perimeter
1542580
Area
148722066025
Diagonal
545384.38926137
Surface area
892332396150
Volume
57353921152211125
Space diagonal
667956.7336849
Perimeter
1156935
Area
64398543640.478
Altitude
333978.36684245
Surface area
64398543640.478
Volume
6.7592244290612E+15
Height
181794.79642046