388639 is an odd 6-digits composite number following 388638
and preceding 388640 . In scientific notation, it is written as 3.88639 × 10^5.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 379120 positive integers (up to 388639) that are relatively prime to 388639.
388639 has 4 divisors, whose sum is 398160
The reverse of 388639 is 936883
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 37
Digital Root 1
Name
three hundred eighty-eight thousand six hundred thirty-nine
Scientific notation
3.88639 × 10^5
Engineering notation
3.88639 × 10^3
Prime Factorization
41 × 9479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388639
Product of the distinct prime numbers
The prime factorization of 388639 is 41 × 9479.
Since it has a total of 2 prime factors.
2 , 1 , 11 , 98 , 63 , 626 , 1219 , 2916 , 94657 , 47308 , 650502 , 388155 , 6231816 , 5683881 , 75657852 , 50683249 , 294178927 , 587516509 , 2708118172 , 8484265350
n×2
777278
n×3
1165917
n×4
1554556
n×5
1943195
n÷2
194319.5
n÷3
129546.33333333
n÷3
97159.75
n÷5
77727.8
n2
151040272321
n3
58700140394561119
n4
2.2813163862802E+22
n5
8.8660851904754E+27
2 √n
623.40917542173
3 √n
72.97634812674
4 √n
24.968163236845
5 √n
13.119258094365
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388638
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388639 can be divided by 4 positive divisors.
The sum of these divisors (counting 388639) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011110111000011111
3
Ternary
201202010001
4
Quaternary
1132320133
5
Quinary
44414024
6
Senary
12155131
8
Octal
1367037
10
Decimal
388639
12
Duodecimal
168aa7
16
Hexadecimal
5ee1f
20
Vigesimal
28bbj
36
Base36
8bvj
md5
298e0b8abcdf58ad1bab5c7b0466467d
sha1
40d1c997c3bb3edde7463b80021ed26bd87ab102
sha256
a9dd6002d9580b8e926b0ab06cd45cf3a5afd325c6b80639f14b056c7a6c5ae1
sha512
32f00c5053984cb51127cca67bb0df14b150ccad37557caaa7aa9a2f9bb133c867d0133b80b05dfc7921ef2144e87350201b87f90771da65df960314e9a56f60
ripemd-160
ce2bab798e64239a42cd2ba9af79c66bf12c11b0
Diameter
777278
Circumference
2441890.854597
Area
474507009919.86
Volume
2.4588257310432E+17
Surface area
1898028039679.4
Circumference
2441890.854597
Perimeter
1554556
Area
151040272321
Diagonal
549618.54466712
Surface area
906241633926
Volume
58700140394561119
Space diagonal
673142.49380276
Perimeter
1165917
Area
65402356412.253
Altitude
336571.24690138
Surface area
65402356412.253
Volume
6.9178778882661E+15
Height
183206.18155571