388622985 is an odd 9-digits composite number following 388622984
and preceding 388622986 . In scientific notation, it is written as 3.88622985 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 207265584 positive integers (up to 388622985) that are relatively prime to 388622985.
388622985 has 4 divisors, whose sum is 414531200
The reverse of 388622985 is 589226883
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred eighty-eight million six hundred twenty-two thousand nine hundred eighty-five
Scientific notation
3.88622985 × 10^8
Engineering notation
3.88622985 × 10^6
Prime Factorization
15 × 25908199
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388622985
Product of the distinct prime numbers
The prime factorization of 388622985 is 15 × 25908199.
Since it has a total of 2 prime factors.
3 , 1 , 78 , 64 , 284 , 889 , 9515 , 8572 , 80230 , 32497 , 258252 , 948670 , 6430069 , 3961073 , 50906295 , 56622141 , 11457168 , 661080075 , 6357577126 , 214778833
n×2
777245970
n×3
1165868955
n×4
1554491940
n×5
1943114925
n÷2
194311492.5
n÷3
129540995
n÷3
97155746.25
n÷5
77724597
n2
151027824470310225
n3
5.8692883963708E+25
n4
2.2809403764235E+34
n5
8.8642585769272E+42
2 √n
19713.522896733
3 √n
729.75345712101
4 √n
140.40485353695
5 √n
52.228276742844
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
-388622984
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 388622985 can be divided by 4 positive divisors.
The sum of these divisors (counting 388622985) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010011110101010001001
3
Ternary
1000002021002111220
4
Quaternary
113022132222021
5
Quinary
1243441413420
6
Senary
102321312253
8
Octal
2712365211
10
Decimal
388622985
12
Duodecimal
aa195689
16
Hexadecimal
1729ea89
20
Vigesimal
618hh95
36
Base36
6fdjex
md5
b45d74b2f5deb103c5e32563913e9302
sha1
8b760424907832ae834f16fd1e78d53b1dea5daa
sha256
1832e552ba95b7521f7bf7661b5697327e38a67ead67b04a76be35cbd0c5d3b6
sha512
d31f38ffef3199ae2815c2c9b0efd63198666a93d2d9d36bffcf57d2235d3aac581e29d3b47488c0bdc0cd36f6015811b77d0d29825ab226f43b728eab9e9c05
ripemd-160
28c3c8f459f7a9ce6a906e60d1ab719dddbabb30
Diameter
777245970
Circumference
2441790229.3843
Area
4.7446790384358E+17
Volume
2.4585217743784E+26
Surface area
1.8978716153743E+18
Circumference
2441790229.3843
Perimeter
1554491940
Area
151027824470310225
Diagonal
549595896.03692
Surface area
906166946821861350
Volume
5.8692883963708E+25
Space diagonal
673114755.00908
Perimeter
1165868955
Area
6.5396966334793E+16
Altitude
336557377.50454
Surface area
6.5396966334793E+16
Volume
6.9170227096889E+24
Height
183198632.01231