381663985 is an odd 9-digits composite number following 381663984
and preceding 381663986 . In scientific notation, it is written as 3.81663985 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 305241840 positive integers (up to 381663985) that are relatively prime to 381663985.
381663985 has 8 divisors, whose sum is 458130816
The reverse of 381663985 is 589366183
Previous prime number is 4211
Is Prime? no Number parity odd Number length 9 Sum of Digits 49 Digital Root 4
Name
three hundred eighty-one million six hundred sixty-three thousand nine hundred eighty-five
Scientific notation
3.81663985 × 10^8
Engineering notation
3.81663985 × 10^6
Prime Factorization
5 × 4211 × 18127
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
381663985 Product of the distinct prime numbers
The prime factorization of 381663985 is 5 × 4211 × 18127.
Since it has a total of 3 prime factors.
3 , 9 , 23 , 35 , 293 , 390 , 275 , 8057 , 59641 , 95271 , 461812 , 371908 , 5157202 , 251267 , 40365842 , 11871884 , 91449878 , 954415880 , 6517327616 , 8723369985
n×2
763327970
n×3
1144991955
n×4
1526655940
n×5
1908319925
n÷2
190831992.5
n÷3
127221328.33333
n÷3
95415996.25
n÷5
76332797
n2
145667397446080225
n3
5.559599939385E+25
n4
2.1218990678714E+34
n5
8.098524540116E+42
2 √n19536.22238305
3 √n725.37134207043
4 √n139.77203720004
5 √n52.039873967989
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
-381663984 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 381663985 can be divided by 8 positive divisors.
The sum of these divisors (counting 381663985) is 1, the average is 0.125.
Base
System
Value
2
Binary
10110101111111011101011110001
3
Ternary
222121011112120011
4
Quaternary
112233323223301
5
Quinary
1240201221420
6
Senary
101512214521
8
Octal
2657735361
10
Decimal
381663985
12
Duodecimal
a799a441
16
Hexadecimal
16bfbaf1
20
Vigesimal
5j57jj5
36
Base36
6b8dtd
md5
f872f02cf495b7d2b2a5177ad15f6e45
sha1
d248f83b72297349912ceddbe3a8b6df7b1c7f4b
sha256
f7ff42d3702514bb7e56294767769fb0949ac2752d8eef46474ed17278e14194
sha512
451319a08051b4d827897b9e54c94be6201839159d7e6038a88ce4c7c4fb9645d84fe2c7b96bb52f5f88f96380e4871005908d72ab6f00d9370aeadc9e30c928
ripemd-160
6a4649dfb841c26e86deea37032308474b707093
Diameter
763327970
Circumference
2398065542.8316
Area
4.5762762568415E+17
Volume
2.3287997768627E+26
Surface area
1.8305105027366E+18
Circumference
2398065542.8316
Perimeter
1526655940
Area
145667397446080225
Diagonal
539754383.85636
Surface area
874004384676481350
Volume
5.559599939385E+25
Space diagonal
661061413.43921
Perimeter
1144991955
Area
6.3075833345735E+16
Altitude
330530706.7196
Surface area
6.3075833345735E+16
Volume
6.5520513630391E+24
Height
179918127.95212