388628945 is an odd 9-digits composite number following 388628944
and preceding 388628946 . In scientific notation, it is written as 3.88628945 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 286576704 positive integers (up to 388628945) that are relatively prime to 388628945.
388628945 has 8 divisors, whose sum is 403337472
The reverse of 388628945 is 549826883
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
three hundred eighty-eight million six hundred twenty-eight thousand nine hundred forty-five
Scientific notation
3.88628945 × 10^8
Engineering notation
3.88628945 × 10^6
Prime Factorization
95 × 37 × 110563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388628945
Product of the distinct prime numbers
The prime factorization of 388628945 is 95 × 37 × 110563.
Since it has a total of 3 prime factors.
3 , 4 , 77 , 35 , 430 , 850 , 3818 , 707 , 7609 , 82296 , 863081 , 598906 , 6693498 , 9906188 , 77956681 , 63351939 , 175503171 , 738164863 , 5116512176 , 3308386278
n×2
777257890
n×3
1165886835
n×4
1554515780
n×5
1943144725
n÷2
194314472.5
n÷3
129542981.66667
n÷3
97157236.25
n÷5
77725789
n2
151032456891813025
n3
5.8695584382623E+25
n4
2.2810803034777E+34
n5
8.8649383180083E+42
2 √n
19713.674061422
3 √n
729.75718765037
4 √n
140.4053918531
5 √n
52.228436938526
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388628944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388628945 can be divided by 8 positive divisors.
The sum of these divisors (counting 388628945) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001010100000000111010001
3
Ternary
1000002021101200122
4
Quaternary
113022200013101
5
Quinary
1243442111240
6
Senary
102321400025
8
Octal
2712400721
10
Decimal
388628945
12
Duodecimal
aa199015
16
Hexadecimal
172a01d1
20
Vigesimal
618ic75
36
Base36
6fdo0h
md5
806e8b7346a1b682eb0ceb6972e34dc2
sha1
012acf00657497f935bf087b24ecd45da8135e45
sha256
1046a9133a5187d70df2216dd5f4e7d0ce44d4235536387a2e2e6c1b309affd1
sha512
2c9e2ee02081b083a7d1ff220b2462d1ab30051e2bf7c281815cb56148a6822f36cd4c9cf7da4c1b00503bdc2700071c7f2498eb3f853d77ce6faac4b85a16bf
ripemd-160
0aa2d2b4baf1f92a61775858d5be35860e09a71c
Diameter
777257890
Circumference
2441827677.1687
Area
4.7448245702494E+17
Volume
2.4586348892615E+26
Surface area
1.8979298280997E+18
Circumference
2441827677.1687
Perimeter
1554515780
Area
151032456891813025
Diagonal
549604324.74975
Surface area
906194741350878150
Volume
5.8695584382623E+25
Space diagonal
673125078.03189
Perimeter
1165886835
Area
6.5398972232144E+16
Altitude
336562539.01595
Surface area
6.5398972232144E+16
Volume
6.91734095711E+24
Height
183201441.58325