388680985 is an odd 9-digits composite number following 388680984
and preceding 388680986 . In scientific notation, it is written as 3.88680985 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 242292960 positive integers (up to 388680985) that are relatively prime to 388680985.
388680985 has 16 divisors, whose sum is 519206400
The reverse of 388680985 is 589086883
Previous prime number is 11
Is Prime? no Number parity odd Number length 9 Sum of Digits 55 Digital Root 1
Name
three hundred eighty-eight million six hundred eighty thousand nine hundred eighty-five
Scientific notation
3.88680985 × 10^8
Engineering notation
3.88680985 × 10^6
Prime Factorization
49 × 5 × 11 × 144223
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
388680985 Product of the distinct prime numbers
The prime factorization of 388680985 is 49 × 5 × 11 × 144223.
Since it has a total of 4 prime factors.
6 , 10 , 9 , 59 , 300 , 221 , 9962 , 7197 , 21789 , 37793 , 386109 , 391998 , 7644504 , 1390627 , 31252201 , 22263921 , 438107959 , 737853394 , 9442261976 , 3839609946
n×2
777361970
n×3
1166042955
n×4
1554723940
n×5
1943404925
n÷2
194340492.5
n÷3
129560328.33333
n÷3
97170246.25
n÷5
77736197
n2
151072908100570225
n3
5.8719166727344E+25
n4
2.2823023561963E+34
n5
8.8708752787421E+42
2 √n19714.993913263
3 √n729.78975930993
4 √n140.410091921
5 √n52.229835610613
1 , 5 , 11 , 49 , 55 , 245 , 539 , 2695 , 144223 , 721115 , 1586453 , 7066927 , 7932265 , 35334635 , 77736197 , 388680985
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
-388680984 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 388680985 can be divided by 16 positive divisors.
The sum of these divisors (counting 388680985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010101100110100011001
3
Ternary
1000002101001002001
4
Quaternary
113022230310121
5
Quinary
1244000242420
6
Senary
102322441001
8
Octal
2712546431
10
Decimal
388680985
12
Duodecimal
aa203161
16
Hexadecimal
172acd19
20
Vigesimal
6195295
36
Base36
6fes61
md5
edf49f31a79b2611f8932f87db0a4854
sha1
ef16637dfafb87b8a9999c0489d394b681894be8
sha256
e5a7dc661ffd2aa9a602271f1b8bf8b18a05b45d82cb721cb2d8aff569d978f2
sha512
77c87c158225982179960cbcd025bb8b0972c303a263b39bbdd55c526a12c8267b8d9f07b0ea1ccaa27a469e58517176ba0543418c270ab14473d6f8f6a0526a
ripemd-160
9a39118812c92e6e415c056c93355cc1e4a076dd
Diameter
777361970
Circumference
2442154654.1321
Area
4.746095382452E+17
Volume
2.4596227042072E+26
Surface area
1.8984381529808E+18
Circumference
2442154654.1321
Perimeter
1554723940
Area
151072908100570225
Diagonal
549677920.42353
Surface area
906437448603421350
Volume
5.8719166727344E+25
Space diagonal
673215213.95592
Perimeter
1166042955
Area
6.5416488119343E+16
Altitude
336607606.97796
Surface area
6.5416488119343E+16
Volume
6.9201201630881E+24
Height
183225973.47451