388636685 is an odd 9-digits composite number following 388636684
and preceding 388636686 . In scientific notation, it is written as 3.88636685 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 298991616 positive integers (up to 388636685) that are relatively prime to 388636685.
388636685 has 16 divisors, whose sum is 484369200
The reverse of 388636685 is 586636883
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
three hundred eighty-eight million six hundred thirty-six thousand six hundred eighty-five
Scientific notation
3.88636685 × 10^8
Engineering notation
3.88636685 × 10^6
Prime Factorization
5 × 29 × 257 × 10429
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388636685
Product of the distinct prime numbers
The prime factorization of 388636685 is 5 × 29 × 257 × 10429.
Since it has a total of 4 prime factors.
6 , 7 , 75 , 21 , 278 , 165 , 8717 , 9500 , 56177 , 91633 , 385157 , 641587 , 1627692 , 5326199 , 42441143 , 66101403 , 124290601 , 785313812 , 348028480 , 7166089371
n×2
777273370
n×3
1165910055
n×4
1554546740
n×5
1943183425
n÷2
194318342.5
n÷3
129545561.66667
n÷3
97159171.25
n÷5
77727337
n2
151038472927789225
n3
5.8699091426118E+25
n4
2.2812620304359E+34
n5
8.8658211312496E+42
2 √n
19713.870370884
3 √n
729.7620322742
4 √n
140.40609093228
5 √n
52.22864497495
1 , 5 , 29 , 145 , 257 , 1285 , 7453 , 10429 , 37265 , 52145 , 302441 , 1512205 , 2680253 , 13401265 , 77727337 , 388636685
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
-388636684
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 388636685 can be divided by 16 positive divisors.
The sum of these divisors (counting 388636685) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010100010000000001101
3
Ternary
1000002021210022022
4
Quaternary
113022202000031
5
Quinary
1243442333220
6
Senary
102321455525
8
Octal
2712420015
10
Decimal
388636685
12
Duodecimal
aa1a15a5
16
Hexadecimal
172a200d
20
Vigesimal
618jbe5
36
Base36
6fdtzh
md5
f55c3b3591903a0b211e4483afb4b566
sha1
2a4f96ebf17c07e446a5fde49622d962c41c3d42
sha256
9670fbda7bc75d7ab7342dfb34d3dee2e244791b540dd0e941e0a6a33a86e2b1
sha512
f33e97e09b7877e0db5fc68dd2c95baadc0d5ff4fc9f28a6796bc79f75da8a9b91e657e23952e46b1377dde9e10e548ab3638fd29e8e604548759dac4dcdcc50
ripemd-160
baf0fb4d2dea099b2872efd32e33950977c448f8
Diameter
777273370
Circumference
2441876309.023
Area
4.7450135695936E+17
Volume
2.4587817919558E+26
Surface area
1.8980054278375E+18
Circumference
2441876309.023
Perimeter
1554546740
Area
151038472927789225
Diagonal
549615270.76272
Surface area
906230837566735350
Volume
5.8699091426118E+25
Space diagonal
673138484.10514
Perimeter
1165910055
Area
6.5401577252137E+16
Altitude
336569242.05257
Surface area
6.5401577252137E+16
Volume
6.9177542661496E+24
Height
183205090.25424