388664690 is an even 9-digits composite number following 388664689
and preceding 388664691 . In scientific notation, it is written as 3.88664690 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 155315376 positive integers (up to 388664690) that are relatively prime to 388664690.
388664690 has 16 divisors, whose sum is 700273728
The reverse of 388664690 is 096466883
Previous prime number is 1063
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred eighty-eight million six hundred sixty-four thousand six hundred ninety
Scientific notation
3.88664690 × 10^8
Engineering notation
3.88664690 × 10^6
Prime Factorization
2 × 5 × 1063 × 36563
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388664690
Product of the distinct prime numbers
The prime factorization of 388664690 is 2 × 5 × 1063 × 36563.
Since it has a total of 4 prime factors.
6 , 7 , 36 , 74 , 991 , 237 , 6815 , 6577 , 90074 , 43767 , 799912 , 788827 , 959228 , 95761 , 16596212 , 32356515 , 884203781 , 313651287 , 5630875192 , 4056103563
n×2
777329380
n×3
1165994070
n×4
1554658760
n×5
1943323450
n÷2
194332345
n÷3
129554896.66667
n÷3
97166172.5
n÷5
77732938
n2
151060241252796100
n3
5.8711781837843E+25
n4
2.2819196487353E+34
n5
8.8690159288061E+42
2 √n
19714.580644792
3 √n
729.77956063734
4 √n
140.40862026525
5 √n
52.229397668199
1 , 2 , 5 , 10 , 1063 , 2126 , 5315 , 10630 , 36563 , 73126 , 182815 , 365630 , 38866469 , 77732938 , 194332345 , 388664690
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
-388664689
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 388664690 can be divided by 16 positive divisors.
The sum of these divisors (counting 388664690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010101000110101110010
3
Ternary
1000002100012201112
4
Quaternary
113022220311302
5
Quinary
1243444232230
6
Senary
102322233322
8
Octal
2712506562
10
Decimal
388664690
12
Duodecimal
aa1b5842
16
Hexadecimal
172a8d72
20
Vigesimal
61931ea
36
Base36
6fefle
md5
2c79f3511d6ce5a002ced0611c7634ad
sha1
98e5f47804c53a9f26b09ee83579ceace7680557
sha256
b76af05f3a0e864e6c5b5b46a69838a96e42ae496c644f4084a65e25655054db
sha512
42179309886d01bb1f5f0c39d1ce7ff98062bbdd451430ca7df910cdd53da97169d767b816481cf8581fe5732e4cdbf6b1261850319ec3a2dfdaf4e5756c13f0
ripemd-160
d7dc1c215f812f252ce1ad5b615f168977e939ee
Diameter
777329380
Circumference
2442052269.6275
Area
4.7456974416929E+17
Volume
2.4593133666791E+26
Surface area
1.8982789766771E+18
Circumference
2442052269.6275
Perimeter
1554658760
Area
151060241252796100
Diagonal
549654875.81353
Surface area
906361447516776600
Volume
5.8711781837843E+25
Space diagonal
673186990.18801
Perimeter
1165994070
Area
6.5411003213364E+16
Altitude
336593495.094
Surface area
6.5411003213364E+16
Volume
6.919249845514E+24
Height
183218291.93784