388664993 is an odd 9-digits composite number following 388664992
and preceding 388664994 . In scientific notation, it is written as 3.88664993 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 388625328 positive integers (up to 388664993) that are relatively prime to 388664993.
388664993 has 4 divisors, whose sum is 388704660
The reverse of 388664993 is 399466883
Previous prime number is 21997
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
three hundred eighty-eight million six hundred sixty-four thousand nine hundred ninety-three
Scientific notation
3.88664993 × 10^8
Engineering notation
3.88664993 × 10^6
Prime Factorization
21997 × 17669
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388664993
Product of the distinct prime numbers
The prime factorization of 388664993 is 21997 × 17669.
Since it has a total of 2 prime factors.
3 , 2 , 93 , 61 , 923 , 690 , 173 , 5913 , 44487 , 61831 , 731601 , 690705 , 2648017 , 4905637 , 1098934 , 10019668 , 341670166 , 564841337 , 2541116652 , 6404863037
n×2
777329986
n×3
1165994979
n×4
1554659972
n×5
1943324965
n÷2
194332496.5
n÷3
129554997.66667
n÷3
97166248.25
n÷5
77732998.6
n2
151060476783690049
n3
5.871191915171E+25
n4
2.2819267646116E+34
n5
8.8690504999427E+42
2 √n
19714.588329458
3 √n
729.7797502808
4 √n
140.40864763061
5 √n
52.229405811724
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
-388664992
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 388664993 can be divided by 4 positive divisors.
The sum of these divisors (counting 388664993) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010101000111010100001
3
Ternary
1000002100020010202
4
Quaternary
113022220322201
5
Quinary
1243444234433
6
Senary
102322234545
8
Octal
2712507241
10
Decimal
388664993
12
Duodecimal
aa1b5a55
16
Hexadecimal
172a8ea1
20
Vigesimal
619329d
36
Base36
6feftt
md5
af3bc96cf38beee79b80960625bfe91f
sha1
ce483d823fb7c4e96252327d595a967e3cab04e7
sha256
7a45cb89111018a9e47df2e1419329e35e9bd65ca2cea028a23f21e73e21e44f
sha512
63e8938713aecacf50c92e2c23eda5d0e44ba86389c6de51f52fd8e5a68e3eb7c705887817b96a37c9f35a1a9c92af73a9d04f6dbace2bc569a52e6ef622e157
ripemd-160
e67fd30a596219a409c3d4a74987c34b74924788
Diameter
777329986
Circumference
2442054173.4327
Area
4.7457048411141E+17
Volume
2.4593191184689E+26
Surface area
1.8982819364456E+18
Circumference
2442054173.4327
Perimeter
1554659972
Area
151060476783690049
Diagonal
549655304.32024
Surface area
906362860702140294
Volume
5.871191915171E+25
Space diagonal
673187514.9994
Perimeter
1165994979
Area
6.5411105201232E+16
Altitude
336593757.4997
Surface area
6.5411105201232E+16
Volume
6.9192660281084E+24
Height
183218434.77341