40389945 is an odd 8-digits composite number following 40389944
and preceding 40389946 . In scientific notation, it is written as 4.0389945 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 21219264 positive integers (up to 40389945) that are relatively prime to 40389945.
40389945 has 16 divisors, whose sum is 65590080
The reverse of 40389945 is 54998304
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
forty million three hundred eighty-nine thousand nine hundred forty-five
Scientific notation
4.0389945 × 10^7
Engineering notation
4.0389945 × 10^6
Prime Factorization
3 × 5 × 67 × 40189
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40389945
Product of the distinct prime numbers
The prime factorization of 40389945 is 3 × 5 × 67 × 40189.
Since it has a total of 4 prime factors.
10 , 6 , 20 , 66 , 595 , 923 , 9602 , 4458 , 31172 , 85538 , 503467 , 800712 , 923602 , 9886167 , 34132429 , 91380583 , 82076728 , 501364658 , 4361173987 , 9527115829
n×2
80779890
n×3
121169835
n×4
161559780
n×5
201949725
n÷2
20194972.5
n÷3
13463315
n÷3
10097486.25
n÷5
8077989
n2
1631347657103025
n3
6.589004214627E+22
n4
2.6612951783355E+30
n5
1.0748956588174E+38
2 √n
6355.3084110844
3 √n
343.10292507975
4 √n
79.720188227853
5 √n
33.208912382819
1 , 3 , 5 , 15 , 67 , 201 , 335 , 1005 , 40189 , 120567 , 200945 , 602835 , 2692663 , 8077989 , 13463315 , 40389945
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
-40389944
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 40389945 can be divided by 16 positive divisors.
The sum of these divisors (counting 40389945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10011010000100110100111001
3
Ternary
2211000000120220
4
Quaternary
2122010310321
5
Quinary
40314434240
6
Senary
4001410253
8
Octal
232046471
10
Decimal
40389945
12
Duodecimal
11639989
16
Hexadecimal
2684d39
20
Vigesimal
cc8eh5
36
Base36
o1p2x
md5
553e60a87497e62a688c2d17555ec7d6
sha1
73dc425643f2e9bb561c60c4fea40f4785a1210e
sha256
3813407b575c8d3bcc6feca7c4865e0181189f2928e320176e80d043b432fc55
sha512
0e3a0ddf2a53f8efaf4c83f1fadc9eb76687f90f6bdb441f791c71c852cbe9825376b2d1ea63498f40a186352900c996985855b406da68f0837048dfa20c0f12
ripemd-160
9dd121bc18ba03d34267911c097fdd8640958a50
Diameter
80779890
Circumference
253777508.98179
Area
5.1250298150058E+15
Volume
2.7599956313526E+23
Surface area
2.0500119260023E+16
Circumference
253777508.98179
Perimeter
161559780
Area
1631347657103025
Diagonal
57120008.002503
Surface area
9788085942618150
Volume
6.589004214627E+22
Space diagonal
69957436.854913
Perimeter
121169835
Area
7.0639425672772E+14
Altitude
34978718.427456
Surface area
7.0639425672772E+14
Volume
7.7652159357158E+21
Height
19040002.667501