40809945 is an odd 8-digits composite number following 40809944
and preceding 40809946 . In scientific notation, it is written as 4.0809945 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 18621440 positive integers (up to 40809945) that are relatively prime to 40809945.
40809945 has 16 divisors, whose sum is 58665600
The reverse of 40809945 is 54990804
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
forty million eight hundred nine thousand nine hundred forty-five
Scientific notation
4.0809945 × 10^7
Engineering notation
4.0809945 × 10^6
Prime Factorization
3 × 55 × 17 × 14549
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40809945
Product of the distinct prime numbers
The prime factorization of 40809945 is 3 × 55 × 17 × 14549.
Since it has a total of 4 prime factors.
3 , 8 , 65 , 52 , 50 , 447 , 2066 , 2512 , 20247 , 46557 , 328881 , 374832 , 3722608 , 9681865 , 35792787 , 84405256 , 340654122 , 562578217 , 1207600083 , 8131059094
n×2
81619890
n×3
122429835
n×4
163239780
n×5
204049725
n÷2
20404972.5
n÷3
13603315
n÷3
10202486.25
n÷5
8161989
n2
1665451610903025
n3
6.7966988641114E+22
n4
2.7737290682595E+30
n5
1.1319573072057E+38
2 √n
6388.2661967078
3 √n
344.288093008
4 √n
79.926630084771
5 √n
33.277692311075
1 , 3 , 17 , 51 , 55 , 165 , 935 , 2805 , 14549 , 43647 , 247333 , 741999 , 800195 , 2400585 , 13603315 , 40809945
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
-40809944
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 40809945 can be divided by 16 positive divisors.
The sum of these divisors (counting 40809945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10011011101011010111011001
3
Ternary
2211210100201110
4
Quaternary
2123223113121
5
Quinary
40421404240
6
Senary
4014410533
8
Octal
233532731
10
Decimal
40809945
12
Duodecimal
11800a49
16
Hexadecimal
26eb5d9
20
Vigesimal
cf14h5
36
Base36
oap5l
md5
80d78cd1c79995eb24b30d1144d18105
sha1
c840005cf84a2eda09cad0471ef63474774d26d7
sha256
5ae2094f09ce125b83e9dce605c2f203765c80eae0100b55f3fdc840694a76eb
sha512
9cab1559fde86131562046bb32050f9de811d3883734803d750bf8f32c6364d42c7417c0eb64a6cc4bdaef264ae5018fbf3e16e8bca308ebe221bf7d05f2ce39
ripemd-160
c9b9603b2a78360f4dad6ffdb450a2bec56378d1
Diameter
81619890
Circumference
256416446.81081
Area
5.2321705457222E+15
Volume
2.8469945626873E+23
Surface area
2.0928682182889E+16
Circumference
256416446.81081
Perimeter
163239780
Area
1665451610903025
Diagonal
57713977.6987
Surface area
9992709665418150
Volume
6.7966988641114E+22
Space diagonal
70684898.194091
Perimeter
122429835
Area
7.2116170190787E+14
Altitude
35342449.097046
Surface area
7.2116170190787E+14
Volume
8.0099864274934E+21
Height
19237992.566233