38646945 is an odd 8-digits composite number following 38646944
and preceding 38646946 . In scientific notation, it is written as 3.8646945 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 20611680 positive integers (up to 38646945) that are relatively prime to 38646945.
38646945 has 12 divisors, whose sum is 66988116
The reverse of 38646945 is 54964683
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty-eight million six hundred forty-six thousand nine hundred forty-five
Scientific notation
3.8646945 × 10^7
Engineering notation
3.8646945 × 10^6
Prime Factorization
5 × 3 × 3 × 858821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12882315
Product of the distinct prime numbers
The prime factorization of 38646945 is 5 × 3 × 3 × 858821.
Since it has a total of 4 prime factors.
6 , 4 , 45 , 6 , 28 , 859 , 7137 , 8233 , 22954 , 8144 , 332484 , 949113 , 9910719 , 5193972 , 65396473 , 65336502 , 940277608 , 710155820 , 5700349513 , 9304962231
n×2
77293890
n×3
115940835
n×4
154587780
n×5
193234725
n÷2
19323472.5
n÷3
12882315
n÷3
9661736.25
n÷5
7729389
n2
1493586357833025
n3
5.7722549823923E+22
n4
2.2308002083049E+30
n5
8.6213612956349E+37
2 √n
6216.6667113494
3 √n
338.09472095247
4 √n
78.845841433454
5 √n
32.917211189317
1 , 3 , 5 , 9 , 15 , 45 , 858821 , 2576463 , 4294105 , 7729389 , 12882315 , 38646945
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38646944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38646945 can be divided by 12 positive divisors.
The sum of these divisors (counting 38646945) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10010011011011010010100001
3
Ternary
2200201110122100
4
Quaternary
2103123102201
5
Quinary
34343200240
6
Senary
3500201013
8
Octal
223332241
10
Decimal
38646945
12
Duodecimal
10b39169
16
Hexadecimal
24db4a1
20
Vigesimal
c1ah75
36
Base36
n0c69
md5
487dce7e06831d37f3db9b756fa88af8
sha1
99b73ad5814375f998b981393df558b42159f096
sha256
3782327b568dc7d1e914d25bb6a91af5a0e8802c0c5f83559a5e29991e67a72a
sha512
6c0f257d0ff26c7049ce491333f5f1ff9ed404b17ce7ec2d7b5826dd2a51e80ab5ae683ab8488c60540b37e78c6cc812cb88487062477b97069d5fee0549d456
ripemd-160
cd1b079139b37bd7a58566e57b4e83bf3503636d
Diameter
77293890
Circumference
242825916.99138
Area
4.6922399292702E+15
Volume
2.4178765129774E+23
Surface area
1.8768959717081E+16
Circumference
242825916.99138
Perimeter
154587780
Area
1493586357833025
Diagonal
54655033.763287
Surface area
8961518146998150
Volume
5.7722549823923E+22
Space diagonal
66938472.29732
Perimeter
115940835
Area
6.4674186431464E+14
Altitude
33469236.14866
Surface area
6.4674186431464E+14
Volume
6.8026677346457E+21
Height
18218344.587762