388639521 is an odd 9-digits composite number following 388639520
and preceding 388639522 . In scientific notation, it is written as 3.88639521 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 255467520 positive integers (up to 388639521) that are relatively prime to 388639521.
388639521 has 16 divisors, whose sum is 437899280
The reverse of 388639521 is 125936883
Previous prime number is 337
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
three hundred eighty-eight million six hundred thirty-nine thousand five hundred twenty-one
Scientific notation
3.88639521 × 10^8
Engineering notation
3.88639521 × 10^6
Prime Factorization
9 × 97 × 337 × 1321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388639521
Product of the distinct prime numbers
The prime factorization of 388639521 is 9 × 97 × 337 × 1321.
Since it has a total of 4 prime factors.
6 , 5 , 56 , 44 , 213 , 289 , 3982 , 3562 , 73929 , 21842 , 760416 , 762692 , 6225487 , 4186399 , 88729283 , 15221982 , 105634274 , 571506796 , 3893376689 , 5494163039
n×2
777279042
n×3
1165918563
n×4
1554558084
n×5
1943197605
n÷2
194319760.5
n÷3
129546507
n÷3
97159880.25
n÷5
77727904.2
n2
151040677283109441
n3
5.8700376470823E+25
n4
2.281328619414E+34
n5
8.8661446189266E+42
2 √n
19713.942299804
3 √n
729.76380736832
4 √n
140.40634707806
5 √n
52.228721200387
1 , 9 , 97 , 337 , 873 , 1321 , 3033 , 11889 , 32689 , 128137 , 294201 , 445177 , 1153233 , 4006593 , 43182169 , 388639521
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
-388639520
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 388639521 can be divided by 16 positive divisors.
The sum of these divisors (counting 388639521) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010100010101100100001
3
Ternary
1000002021221012100
4
Quaternary
113022202230201
5
Quinary
1243442431041
6
Senary
102321521013
8
Octal
2712425441
10
Decimal
388639521
12
Duodecimal
aa1a3169
16
Hexadecimal
172a2b21
20
Vigesimal
618jig1
36
Base36
6fdw69
md5
a165863f9bdbf42bde2713b09c3cfa07
sha1
241e459343c5238cfd00a04f023cfbf8045ed538
sha256
2e943f3cc79b777319380f6adf97e5eb963c2d798d42238903e45cb8f1aedf62
sha512
ad6f3388c834f5cd9a7ecdb3f45d747719505883780cb4ce2cde8577761db627c49fc40f172a5fcfcb2888c4c61589f7a8b0cd63ea35d7af7dc591f2e4142045
ripemd-160
6fbcd0b906f9cb89101d0b361d765c35a826cd26
Diameter
777279042
Circumference
2441894128.1365
Area
4.7450828214584E+17
Volume
2.4588356197826E+26
Surface area
1.8980331285834E+18
Circumference
2441894128.1365
Perimeter
1554558084
Area
151040677283109441
Diagonal
549619281.47238
Surface area
906244063698656646
Volume
5.8700376470823E+25
Space diagonal
673143396.20123
Perimeter
1165918563
Area
6.540253176599E+16
Altitude
336571698.10062
Surface area
6.540253176599E+16
Volume
6.9179057101204E+24
Height
183206427.15746