388243389 is an odd 9-digits composite number following 388243388
and preceding 388243390 . In scientific notation, it is written as 3.88243389 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 258828924 positive integers (up to 388243389) that are relatively prime to 388243389.
388243389 has 4 divisors, whose sum is 517657856
The reverse of 388243389 is 983342883
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
three hundred eighty-eight million two hundred forty-three thousand three hundred eighty-nine
Scientific notation
3.88243389 × 10^8
Engineering notation
3.88243389 × 10^6
Prime Factorization
3 × 129414463
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388243389
Product of the distinct prime numbers
The prime factorization of 388243389 is 3 × 129414463.
Since it has a total of 2 prime factors.
3 , 1 , 100 , 18 , 229 , 180 , 9798 , 2175 , 34663 , 5989 , 41551 , 795939 , 9246948 , 2803730 , 88487730 , 81272544 , 732101706 , 128417129 , 2218963028 , 9440677210
n×2
776486778
n×3
1164730167
n×4
1552973556
n×5
1941216945
n÷2
194121694.5
n÷3
129414463
n÷3
97060847.25
n÷5
77648677.8
n2
150732929102205321
n3
5.8521063228537E+25
n4
2.272041591573E+34
n5
8.8210512746127E+42
2 √n
19703.892737223
3 √n
729.51577883526
4 √n
140.37055509338
5 √n
52.218069731782
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
-388243388
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 388243389 can be divided by 4 positive divisors.
The sum of these divisors (counting 388243389) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001001000001111110111101
3
Ternary
1000001112210210210
4
Quaternary
113021001332331
5
Quinary
1243342242024
6
Senary
102305223033
8
Octal
2711017675
10
Decimal
388243389
12
Duodecimal
aa031a79
16
Hexadecimal
17241fbd
20
Vigesimal
616a899
36
Base36
6f5eil
md5
51670899427282511ce3264cc58f178d
sha1
022359901120e508b4f097b0fa140cf4fac1a97a
sha256
deb2d8a145a8a95096353bd433728d1229bbed22c41a00c42d6f61e8b42a6fab
sha512
35e0ae8808a67e94b788fda39ec109f4f1a99f1cbd1de80db626cf8ac1f94f6081212b60c3d846d11f4438235dda633f1b7f3c898ec8992e5dbcb61d27d0850f
ripemd-160
71d89f4b3ac730f042cc81afca06948ab1727b99
Diameter
776486778
Circumference
2439405157.3744
Area
4.7354146272156E+17
Volume
2.4513245642538E+26
Surface area
1.8941658508862E+18
Circumference
2439405157.3744
Perimeter
1552973556
Area
150732929102205321
Diagonal
549059066.22549
Surface area
904397574613231926
Volume
5.8521063228537E+25
Space diagonal
672457275.45073
Perimeter
1164730167
Area
6.5269272894674E+16
Altitude
336228637.72536
Surface area
6.5269272894674E+16
Volume
6.8967734418575E+24
Height
183019688.74183