388660988 is an even 9-digits composite number following 388660987
and preceding 388660989 . In scientific notation, it is written as 3.88660988 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors.
There are 194289792 positive integers (up to 388660988) that are relatively prime to 388660988.
388660988 has 12 divisors, whose sum is 680299200
The reverse of 388660988 is 889066883
Previous prime number is 7649
Is Prime? no Number parity even Number length 9 Sum of Digits 56 Digital Root 2
Name
three hundred eighty-eight million six hundred sixty thousand nine hundred eighty-eight
Scientific notation
3.88660988 × 10^8
Engineering notation
3.88660988 × 10^6
Prime Factorization
2 × 2 × 7649 × 12703
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
194330494 Product of the distinct prime numbers
The prime factorization of 388660988 is 2 × 2 × 7649 × 12703.
Since it has a total of 4 prime factors.
5 , 1 , 25 , 3 , 974 , 169 , 2962 , 7746 , 30019 , 63342 , 309015 , 320848 , 4521541 , 4090772 , 98066026 , 10339303 , 379922735 , 392725679 , 3222278994 , 4785778773
n×2
777321976
n×3
1165982964
n×4
1554643952
n×5
1943304940
n÷2
194330494
n÷3
129553662.66667
n÷3
97165247
n÷5
77732197.6
n2
151057363593136144
n3
5.8710104178784E+25
n4
2.2818327095709E+34
n5
8.8685935535254E+42
2 √n19714.486754669
3 √n729.77724359939
4 √n140.40828591885
5 √n52.229298171655
1 , 2 , 4 , 7649 , 12703 , 15298 , 25406 , 30596 , 50812 , 97165247 , 194330494 , 388660988
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
-388660987 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 388660988 can be divided by 12 positive divisors.
The sum of these divisors (counting 388660988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001010100111111011111100
3
Ternary
1000002100000122102
4
Quaternary
113022213323330
5
Quinary
1243444122423
6
Senary
102322204232
8
Octal
2712477374
10
Decimal
388660988
12
Duodecimal
aa1b3678
16
Hexadecimal
172a7efc
20
Vigesimal
6192c98
36
Base36
6fecqk
md5
3f9a3526d0d85cdcf23782ca97284eec
sha1
eab765074841219a64a5d0883c115b5c701e0ad9
sha256
210c338b77e291423b97768234399b44e1607bd6b2d7471eb90212a18a36a50d
sha512
c8f8e901dd7424ba901c7a00a9fc8067b07be70d4f8a3a135b1723e97ded02f41782de10e022faa020fb946ec9c10e2cd808d3fbbdb0d9b9e6f824116e4c3d51
ripemd-160
d51c171ee895a3a59337e7b8f8fb0292347a143e
Diameter
777321976
Circumference
2442029009.2755
Area
4.7456070373484E+17
Volume
2.4592430930608E+26
Surface area
1.8982428149394E+18
Circumference
2442029009.2755
Perimeter
1554643952
Area
151057363593136144
Diagonal
549649640.39493
Surface area
906344181558816864
Volume
5.8710104178784E+25
Space diagonal
673180578.13592
Perimeter
1165982964
Area
6.5409757150179E+16
Altitude
336590289.06796
Surface area
6.5409757150179E+16
Volume
6.9190521314977E+24
Height
183216546.79831