388701985 is an odd 9-digits composite number following 388701984
and preceding 388701986 . In scientific notation, it is written as 3.88701985 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 260866368 positive integers (up to 388701985) that are relatively prime to 388701985.
388701985 has 16 divisors, whose sum is 544421376
The reverse of 388701985 is 589107883
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
three hundred eighty-eight million seven hundred one thousand nine hundred eighty-five
Scientific notation
3.88701985 × 10^8
Engineering notation
3.88701985 × 10^6
Prime Factorization
5 × 7 × 47 × 236293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388701985
Product of the distinct prime numbers
The prime factorization of 388701985 is 5 × 7 × 47 × 236293.
Since it has a total of 4 prime factors.
3 , 9 , 10 , 97 , 561 , 943 , 4651 , 5003 , 74697 , 10042 , 428315 , 620335 , 5226913 , 1519790 , 9707182 , 63438717 , 141678597 , 221863385 , 3863853221 , 5308822881
n×2
777403970
n×3
1166105955
n×4
1554807940
n×5
1943509925
n÷2
194350992.5
n÷3
129567328.33333
n÷3
97175496.25
n÷5
77740397
n2
151089233142940225
n3
5.8728684834789E+25
n4
2.2827956371722E+34
n5
8.8732719551816E+42
2 √n
19715.526495633
3 √n
729.8029023154
4 √n
140.41198843273
5 √n
52.230399982366
1 , 5 , 7 , 35 , 47 , 235 , 329 , 1645 , 236293 , 1181465 , 1654051 , 8270255 , 11105771 , 55528855 , 77740397 , 388701985
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
-388701984
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 388701985 can be divided by 16 positive divisors.
The sum of these divisors (counting 388701985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010110001111100100001
3
Ternary
1000002102002212211
4
Quaternary
113022301330201
5
Quinary
1244001430420
6
Senary
102323122121
8
Octal
2712617441
10
Decimal
388701985
12
Duodecimal
aa213341
16
Hexadecimal
172b1f21
20
Vigesimal
6197ej5
36
Base36
6ff8dd
md5
efa75fd75ba65e4367edd3fe21d5f1db
sha1
4aacdc19af0ab2382e7f0216d8b668ef8d3f06df
sha256
7ab02bd3862f50b9789917b495e3760bca0d6ecea9297bc095404ea4b604bcf2
sha512
f65922b07746ab1ba905fd57eeb0d784a2326983df26c60a878b710ae7c047628242110eb9fcadb05ab307dbcb9ba1543e5918b51e975495e55864567d9219de
ripemd-160
52c8865d9f735941b1b89d2b49756dbbd10fdd95
Diameter
777403970
Circumference
2442286601.0235
Area
4.7466082487838E+17
Volume
2.4600213977595E+26
Surface area
1.8986432995135E+18
Circumference
2442286601.0235
Perimeter
1554807940
Area
151089233142940225
Diagonal
549707618.90834
Surface area
906535398857641350
Volume
5.8728684834789E+25
Space diagonal
673251587.02288
Perimeter
1166105955
Area
6.5423557070048E+16
Altitude
336625793.51144
Surface area
6.5423557070048E+16
Volume
6.9212418828078E+24
Height
183235872.96945