381506561 is an odd 9-digits composite number following 381506560
and preceding 381506562 . In scientific notation, it is written as 3.81506561 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 374308272 positive integers (up to 381506561) that are relatively prime to 381506561.
381506561 has 4 divisors, whose sum is 388704852
The reverse of 381506561 is 165605183
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
three hundred eighty-one million five hundred six thousand five hundred sixty-one
Scientific notation
3.81506561 × 10^8
Engineering notation
3.81506561 × 10^6
Prime Factorization
53 × 7198237
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
381506561
Product of the distinct prime numbers
The prime factorization of 381506561 is 53 × 7198237.
Since it has a total of 2 prime factors.
1 , 4 , 73 , 87 , 104 , 678 , 7238 , 1056 , 39864 , 76461 , 848061 , 733847 , 7492466 , 5356708 , 53324234 , 99934670 , 730997793 , 365954493 , 3648782909 , 5782328455
n×2
763013122
n×3
1144519683
n×4
1526026244
n×5
1907532805
n÷2
190753280.5
n÷3
127168853.66667
n÷3
95376640.25
n÷5
76301312.2
n2
145547256086046721
n3
5.5527233132374E+25
n4
2.1184003754177E+34
n5
8.0818364204673E+42
2 √n
19532.192938838
3 √n
725.27159764755
4 √n
139.75762211357
5 √n
52.035580307909
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
-381506560
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 381506561 can be divided by 4 positive divisors.
The sum of these divisors (counting 381506561) is 1, the average is 0.25.
Base
System
Value
2
Binary
10110101111010101010000000001
3
Ternary
222120212112121122
4
Quaternary
112233111100001
5
Quinary
1240131202221
6
Senary
101505002025
8
Octal
2657252001
10
Decimal
381506561
12
Duodecimal
a7923315
16
Hexadecimal
16bd5401
20
Vigesimal
5j48681
36
Base36
6b50ch
md5
47f020eacd649a2bf56d81c21fa780aa
sha1
cce9d5622e4bf47fa5b767a5a970ba7cc2041ced
sha256
e50e694c449c795debf2727e47e6c8d1f83f8674d310602dcbb2f30b415496e7
sha512
22e9e3f5a0c1569365f9597a1262b5d13a702be62322474e27169761e757994ab790be102a8d56f5a2870db7acd84cd2955c0ffc33449b409be3d0897a2d4b88
ripemd-160
b3805135ebce1f0da70f5572be57df385c7067d1
Diameter
763013122
Circumference
2397076418.6678
Area
4.5725019047008E+17
Volume
2.3259193024378E+26
Surface area
1.8290007618803E+18
Circumference
2397076418.6678
Perimeter
1526026244
Area
145547256086046721
Diagonal
539531752.70052
Surface area
873283536516280326
Volume
5.5527233132374E+25
Space diagonal
660788747.07288
Perimeter
1144519683
Area
6.3023810610818E+16
Altitude
330394373.53644
Surface area
6.3023810610818E+16
Volume
6.5439471814047E+24
Height
179843917.56684