388949123 is an odd 9-digits composite number following 388949122
and preceding 388949124 . In scientific notation, it is written as 3.88949123 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 388810128 positive integers (up to 388949123) that are relatively prime to 388949123.
388949123 has 4 divisors, whose sum is 389088120
The reverse of 388949123 is 321949883
Previous prime number is 2857
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
three hundred eighty-eight million nine hundred forty-nine thousand one hundred twenty-three
Scientific notation
3.88949123 × 10^8
Engineering notation
3.88949123 × 10^6
Prime Factorization
2857 × 136139
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388949123
Product of the distinct prime numbers
The prime factorization of 388949123 is 2857 × 136139.
Since it has a total of 2 prime factors.
2 , 5 , 62 , 1 , 294 , 696 , 2604 , 425 , 7353 , 28691 , 259448 , 235701 , 5099353 , 2944871 , 92980662 , 5164723 , 303275181 , 911905615 , 3768270728 , 3881339673
n×2
777898246
n×3
1166847369
n×4
1555796492
n×5
1944745615
n÷2
194474561.5
n÷3
129649707.66667
n÷3
97237280.75
n÷5
77789824.6
n2
151281420282469129
n3
5.8840775745061E+25
n4
2.2886068122681E+34
n5
8.9015161252351E+42
2 √n
19721.793097992
3 √n
729.95753990856
4 √n
140.43430171433
5 √n
52.237039945902
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
-388949122
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 388949123 can be divided by 4 positive divisors.
The sum of these divisors (counting 388949123) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001011101110010010000011
3
Ternary
1000002212122220002
4
Quaternary
113023232102003
5
Quinary
1244032332443
6
Senary
102332310215
8
Octal
2713562203
10
Decimal
388949123
12
Duodecimal
aa31236b
16
Hexadecimal
172ee483
20
Vigesimal
61aicg3
36
Base36
6fkj2b
md5
47e48aec73d65a0f9708db909ffad4bc
sha1
471b7010f30eeea10b3bd9df1f336abb14e1131b
sha256
cae78a6cfff8957b6560c222429d5a9f7308870a49dbc2a5ddc20ad4e9dbd321
sha512
510542d173a298a289232fbd49d4a855fffd8dcb22a517ef5ba8b4087d916db4dd5d53c3f00a05a8cdca6fbe8d696a62e55686088981a48e1484d009e778c62a
ripemd-160
923c4583e58fecfa863a3830f7398fb98f0c35be
Diameter
777898246
Circumference
2443839414.874
Area
4.7526459858403E+17
Volume
2.4647166508294E+26
Surface area
1.9010583943361E+18
Circumference
2443839414.874
Perimeter
1555796492
Area
151281420282469129
Diagonal
550057124.81972
Surface area
907688521694814774
Volume
5.8840775745061E+25
Space diagonal
673679642.59536
Perimeter
1166847369
Area
6.5506776542604E+16
Altitude
336839821.29768
Surface area
6.5506776542604E+16
Volume
6.9344519232682E+24
Height
183352374.93991