381089905 is an odd 9-digits composite number following 381089904
and preceding 381089906 . In scientific notation, it is written as 3.81089905 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 261318624 positive integers (up to 381089905) that are relatively prime to 381089905.
381089905 has 4 divisors, whose sum is 382645620
The reverse of 381089905 is 509980183
Previous prime number is 245
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
three hundred eighty-one million eighty-nine thousand nine hundred five
Scientific notation
3.81089905 × 10^8
Engineering notation
3.81089905 × 10^6
Prime Factorization
245 × 1555469
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
381089905
Product of the distinct prime numbers
The prime factorization of 381089905 is 245 × 1555469.
Since it has a total of 2 prime factors.
3 , 7 , 2 , 68 , 845 , 670 , 7555 , 787 , 67679 , 10123 , 655659 , 638938 , 6369670 , 5764088 , 15857335 , 52940346 , 652480291 , 500543509 , 8610038117 , 95539904
n×2
762179810
n×3
1143269715
n×4
1524359620
n×5
1905449525
n÷2
190544952.5
n÷3
127029968.33333
n÷3
95272476.25
n÷5
76217981
n2
145229515692909025
n3
5.5345502338607E+25
n4
2.1091612228397E+34
n5
8.0378005004166E+42
2 √n
19521.524146439
3 √n
725.00747039469
4 √n
139.71944798932
5 √n
52.024209381919
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-381089904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 381089905 can be divided by 4 positive divisors.
The sum of these divisors (counting 381089905) is 1, the average is 0.25.
Base
System
Value
2
Binary
10110101101101111100001110001
3
Ternary
222120002101001221
4
Quaternary
112231233201301
5
Quinary
1240024334110
6
Senary
101452025041
8
Octal
2655574161
10
Decimal
381089905
12
Duodecimal
a7762181
16
Hexadecimal
16b6f871
20
Vigesimal
5j1g4f5
36
Base36
6aw2up
md5
b026d839a6d3640bf96b36fcf9401180
sha1
9cf0c117e69cfc11e3f89a8020c19cba2a23ea5c
sha256
3a44932991ca803fc83dcfc998c56aa3fe433f020b39eb82b7c119d3adf51a49
sha512
f03f8af2b4c0ad39a79b8468a49aa57d320be87538a669fd2ee759a9bf84679dd9c5b4142cd0c31d0d4af4cf732466f3d1a982ea15ff12bfe4c6d0d985cd23aa
ripemd-160
32639b2326a71d1c8309088eafaaee958592ac69
Diameter
762179810
Circumference
2394458491.8105
Area
4.5625197958525E+17
Volume
2.3183069807494E+26
Surface area
1.825007918341E+18
Circumference
2394458491.8105
Perimeter
1524359620
Area
145229515692909025
Diagonal
538942512.13447
Surface area
871377094157454150
Volume
5.5345502338607E+25
Space diagonal
660067077.7116
Perimeter
1143269715
Area
6.2886224984685E+16
Altitude
330033538.8558
Surface area
6.2886224984685E+16
Volume
6.5225300019675E+24
Height
179647504.04482