388636690 is an even 9-digits composite number following 388636689
and preceding 388636691 . In scientific notation, it is written as 3.88636690 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 143496576 positive integers (up to 388636690) that are relatively prime to 388636690.
388636690 has 16 divisors, whose sum is 753357528
The reverse of 388636690 is 096636883
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
three hundred eighty-eight million six hundred thirty-six thousand six hundred ninety
Scientific notation
3.88636690 × 10^8
Engineering notation
3.88636690 × 10^6
Prime Factorization
2 × 5 × 13 × 2989513
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388636690
Product of the distinct prime numbers
The prime factorization of 388636690 is 2 × 5 × 13 × 2989513.
Since it has a total of 4 prime factors.
7 , 1 , 28 , 1 , 192 , 599 , 7306 , 3774 , 37597 , 49421 , 785965 , 998300 , 86739 , 7853987 , 16635545 , 12754915 , 949958408 , 431797751 , 2055035922 , 274845133
n×2
777273380
n×3
1165910070
n×4
1554546760
n×5
1943183450
n÷2
194318345
n÷3
129545563.33333
n÷3
97159172.5
n÷5
77727338
n2
151038476814156100
n3
5.8699093691695E+25
n4
2.281262147834E+34
n5
8.8658217015651E+42
2 √n
19713.870497698
3 √n
729.76203540378
4 √n
140.40609138388
5 √n
52.22864510934
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 2989513 , 5979026 , 14947565 , 29895130 , 38863669 , 77727338 , 194318345 , 388636690
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388636689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388636690 can be divided by 16 positive divisors.
The sum of these divisors (counting 388636690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010100010000000010010
3
Ternary
1000002021210022111
4
Quaternary
113022202000102
5
Quinary
1243442333230
6
Senary
102321455534
8
Octal
2712420022
10
Decimal
388636690
12
Duodecimal
aa1a15aa
16
Hexadecimal
172a2012
20
Vigesimal
618jbea
36
Base36
6fdtzm
md5
d24ddac13fc6f7293242f7e71c17ce2d
sha1
2c452b3353dcf00380a6a79013d64eebc58fee10
sha256
1f9ed8be067cfed6baac34aa5f63325ac564e8d4ddf100ef557b4da53ff83df5
sha512
520176fd7c3ae31a4cfe091ebc0c07ea0627c9b76b717757c981de4807a23f6fd808d345de4ff7a15ae8c8fedb021fb183d7acdc3fdb4b5a0ef2cfc1faaa58ab
ripemd-160
33ac490b05c8ec90e4228b6bf97ddbefff938bb1
Diameter
777273380
Circumference
2441876340.4389
Area
4.7450136916875E+17
Volume
2.4587818868561E+26
Surface area
1.898005476675E+18
Circumference
2441876340.4389
Perimeter
1554546760
Area
151038476814156100
Diagonal
549615277.83379
Surface area
906230860884936600
Volume
5.8699093691695E+25
Space diagonal
673138492.7654
Perimeter
1165910070
Area
6.5401578934983E+16
Altitude
336569246.3827
Surface area
6.5401578934983E+16
Volume
6.9177545331504E+24
Height
183205092.61126