388664988 is an even 9-digits composite number following 388664987
and preceding 388664989 . In scientific notation, it is written as 3.88664988 × 10^8.
The sum of its digits is 60. It has a total of 4 prime factors and 12 positive divisors.
There are 122736240 positive integers (up to 388664988) that are relatively prime to 388664988.
388664988 has 12 divisors, whose sum is 692096832
The reverse of 388664988 is 889466883
Previous prime number is 57
Is Prime? no Number parity even Number length 9 Sum of Digits 60 Digital Root 6
Name
three hundred eighty-eight million six hundred sixty-four thousand nine hundred eighty-eight
Scientific notation
3.88664988 × 10^8
Engineering notation
3.88664988 × 10^6
Prime Factorization
2 × 2 × 57 × 1704671
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
194332494 Product of the distinct prime numbers
The prime factorization of 388664988 is 2 × 2 × 57 × 1704671.
Since it has a total of 4 prime factors.
4 , 6 , 84 , 52 , 768 , 706 , 1160 , 4271 , 87992 , 12667 , 236560 , 152270 , 5008964 , 4565396 , 6792700 , 55009667 , 867460842 , 867078974 , 2054476259 , 8537797956
n×2
777329976
n×3
1165994964
n×4
1554659952
n×5
1943324940
n÷2
194332494
n÷3
129554996
n÷3
97166247
n÷5
77732997.6
n2
151060472897040144
n3
5.8711916885802E+25
n4
2.2819266471877E+34
n5
8.869049929461E+42
2 √n19714.588202648
3 √n729.77974715137
4 √n140.40864717904
5 √n52.229405677342
1 , 2 , 4 , 57 , 114 , 228 , 1704671 , 3409342 , 6818684 , 97166247 , 194332494 , 388664988
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
-388664987 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 388664988 can be divided by 12 positive divisors.
The sum of these divisors (counting 388664988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001010101000111010011100
3
Ternary
1000002100020010120
4
Quaternary
113022220322130
5
Quinary
1243444234423
6
Senary
102322234540
8
Octal
2712507234
10
Decimal
388664988
12
Duodecimal
aa1b5a50
16
Hexadecimal
172a8e9c
20
Vigesimal
6193298
36
Base36
6fefto
md5
3b77dcfd2ed72d8ac2bd471bdbea7196
sha1
9316660703fa34f495ef8c258dd786ca5533b6d8
sha256
5e05ffee6c98c40f9158fad76f7e0aff5cca75dcbe1e2435f36d283276d1a3c8
sha512
972cc1fce0037bab74864906cdc2ed93d33befa98edc2c2105fdfcddeae09e280311d78e26b3528641c42e3e55f7d551301b5e61b112618135523ca390d87f0c
ripemd-160
54f6110cc700b92ed943d5b642600ca9e4065bc9
Diameter
777329976
Circumference
2442054142.0167
Area
4.7457047190114E+17
Volume
2.4593190235548E+26
Surface area
1.8982818876046E+18
Circumference
2442054142.0167
Perimeter
1554659952
Area
151060472897040144
Diagonal
549655297.24918
Surface area
906362837382240864
Volume
5.8711916885802E+25
Space diagonal
673187506.33915
Perimeter
1165994964
Area
6.5411103518264E+16
Altitude
336593753.16957
Surface area
6.5411103518264E+16
Volume
6.9192657610686E+24
Height
183218432.41639