388691285 is an odd 9-digits composite number following 388691284
and preceding 388691286 . In scientific notation, it is written as 3.88691285 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 310854544 positive integers (up to 388691285) that are relatively prime to 388691285.
388691285 has 8 divisors, whose sum is 466577280
The reverse of 388691285 is 582196883
Previous prime number is 3719
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred eighty-eight million six hundred ninety-one thousand two hundred eighty-five
Scientific notation
3.88691285 × 10^8
Engineering notation
3.88691285 × 10^6
Prime Factorization
5 × 3719 × 20903
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388691285
Product of the distinct prime numbers
The prime factorization of 388691285 is 5 × 3719 × 20903.
Since it has a total of 3 prime factors.
9 , 4 , 26 , 12 , 933 , 572 , 7144 , 3487 , 91819 , 67196 , 446750 , 803027 , 146804 , 9541207 , 85765916 , 67237053 , 282352335 , 953199502 , 5482326700 , 492003114
n×2
777382570
n×3
1166073855
n×4
1554765140
n×5
1943456425
n÷2
194345642.5
n÷3
129563761.66667
n÷3
97172821.25
n÷5
77738257
n2
151080915034951225
n3
5.8723835003911E+25
n4
2.2825442887798E+34
n5
8.8720507267524E+42
2 √n
19715.255134033
3 √n
729.79620570034
4 √n
140.41102212445
5 √n
52.230112424568
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388691284
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388691285 can be divided by 8 positive divisors.
The sum of these divisors (counting 388691285) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001010101111010101010101
3
Ternary
1000002101120012112
4
Quaternary
113022233111111
5
Quinary
1244001110120
6
Senary
102323000405
8
Octal
2712572525
10
Decimal
388691285
12
Duodecimal
aa209105
16
Hexadecimal
172af555
20
Vigesimal
6196845
36
Base36
6ff045
md5
9e1e0c8fae25fbc6eb93a99d35846d27
sha1
a4f435b12b2a49f96304c33fcb3ca9c93b6c28bb
sha256
b6072bc261d8da645e8efdd78defb59ecedd622f8c5cd7e7accf59bd8906cc86
sha512
2059b58438eba0d671f86a2c23847f1f0bda1cbdb2e33e3b7ca634da772da7a858d3cdc55d7be90a0fe14e3555a1c1147e98a033ebaa202d6814a8f430433756
ripemd-160
9f1d964600a14b48c012fd93d52c551719c6fdd6
Diameter
777382570
Circumference
2442219370.9408
Area
4.7463469277143E+17
Volume
2.4598182485187E+26
Surface area
1.8985387710857E+18
Circumference
2442219370.9408
Perimeter
1554765140
Area
151080915034951225
Diagonal
549692486.82323
Surface area
906485490209707350
Volume
5.8723835003911E+25
Space diagonal
673233054.07923
Perimeter
1166073855
Area
6.5419955223633E+16
Altitude
336616527.03962
Surface area
6.5419955223633E+16
Volume
6.9206703247576E+24
Height
183230828.94108