388621028 is an even 9-digits composite number following 388621027
and preceding 388621029 . In scientific notation, it is written as 3.88621028 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 193608480 positive integers (up to 388621028) that are relatively prime to 388621028.
388621028 has 12 divisors, whose sum is 682543932
The reverse of 388621028 is 820126883
Previous prime number is 277
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
three hundred eighty-eight million six hundred twenty-one thousand twenty-eight
Scientific notation
3.88621028 × 10^8
Engineering notation
3.88621028 × 10^6
Prime Factorization
2 × 2 × 277 × 350741
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
194310514
Product of the distinct prime numbers
The prime factorization of 388621028 is 2 × 2 × 277 × 350741.
Since it has a total of 4 prime factors.
3 , 9 , 56 , 100 , 966 , 40 , 9468 , 8384 , 42013 , 11405 , 52732 , 725637 , 5640052 , 5678089 , 59722240 , 987450 , 873015430 , 508973706 , 6715012570 , 6602646280
n×2
777242056
n×3
1165863084
n×4
1554484112
n×5
1943105140
n÷2
194310514
n÷3
129540342.66667
n÷3
97155257
n÷5
77724205.6
n2
151026303403776784
n3
5.8691997283816E+25
n4
2.280894431981E+34
n5
8.8640353891592E+42
2 √n
19713.473260692
3 √n
729.75223217209
4 √n
140.40467677642
5 √n
52.228224141249
1 , 2 , 4 , 277 , 554 , 1108 , 350741 , 701482 , 1402964 , 97155257 , 194310514 , 388621028
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388621027
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388621028 can be divided by 12 positive divisors.
The sum of these divisors (counting 388621028) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001010011110001011100100
3
Ternary
1000002020222211102
4
Quaternary
113022132023210
5
Quinary
1243441333103
6
Senary
102321255232
8
Octal
2712361344
10
Decimal
388621028
12
Duodecimal
aa194518
16
Hexadecimal
1729e2e4
20
Vigesimal
618hcb8
36
Base36
6fdhwk
md5
55ccbb9b5fd4ee8cbd34d36d6b1745ad
sha1
73b14bbc4b858678b690772dcdb001904dde1dcd
sha256
d40a734c13336142e648606ba3fca7ba692f58dbab59eefe3c7e5f35562bb6fc
sha512
befd617f26700c275352b04706b26315e239139b2df92cf492b506f2236d3571cfbefd8b708657f61bd870ec18c4a4df609ba4d69bb28677e86d6dd16f8e9a41
ripemd-160
d144041ed178f258011ebc0e7f10458060e5c9a0
Diameter
777242056
Circumference
2441777933.1906
Area
4.7446312527213E+17
Volume
2.458484633218E+26
Surface area
1.8978525010885E+18
Circumference
2441777933.1906
Perimeter
1554484112
Area
151026303403776784
Diagonal
549593128.42097
Surface area
906157820422660704
Volume
5.8691997283816E+25
Space diagonal
673111365.38565
Perimeter
1165863084
Area
6.5396307693663E+16
Altitude
336555682.69282
Surface area
6.5396307693663E+16
Volume
6.9169182134614E+24
Height
183197709.47366