40781389 is an odd 8-digits composite number following 40781388
and preceding 40781390 . In scientific notation, it is written as 4.0781389 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 37073980 positive integers (up to 40781389) that are relatively prime to 40781389.
40781389 has 4 divisors, whose sum is 44488800
The reverse of 40781389 is 98318704
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
forty million seven hundred eighty-one thousand three hundred eighty-nine
Scientific notation
4.0781389 × 10^7
Engineering notation
4.0781389 × 10^6
Prime Factorization
11 × 3707399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
40781389
Product of the distinct prime numbers
The prime factorization of 40781389 is 11 × 3707399.
Since it has a total of 2 prime factors.
3 , 5 , 17 , 40 , 823 , 659 , 8135 , 7078 , 17047 , 68410 , 888125 , 241453 , 2703504 , 8370237 , 61632220 , 21496256 , 643103507 , 84076629 , 6091043922 , 2540237912
n×2
81562778
n×3
122344167
n×4
163125556
n×5
203906945
n÷2
20390694.5
n÷3
13593796.333333
n÷3
10195347.25
n÷5
8156277.8
n2
1663121688769321
n3
6.7824412544039E+22
n4
2.7659737516549E+30
n5
1.1280025153003E+38
2 √n
6386.0307703612
3 √n
344.20777120727
4 √n
79.912644621244
5 √n
33.273033917789
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
-40781388
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 40781389 can be divided by 4 positive divisors.
The sum of these divisors (counting 40781389) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011011100100011001001101
3
Ternary
2211201220112211
4
Quaternary
2123210121031
5
Quinary
40420001024
6
Senary
4014030421
8
Octal
233443115
10
Decimal
40781389
12
Duodecimal
117a8411
16
Hexadecimal
26e464d
20
Vigesimal
cehd99
36
Base36
oa34d
md5
167e82567dc907ec155fe758c7df55eb
sha1
e1983152017683b621520cb0f1a0945bcfcaf51c
sha256
d9091bc01b79126287f576cc8b851adfa4af13b95e81510e5465d6f6789e3913
sha512
be64add43edffb4b3f42099d1f74952d88b9e0d3db4000731bfe06d76e198b842c4085f19df73a21665f405ecb1a4e1e5ef5bf6007b374485658019f9f41eb01
ripemd-160
c9e30d956e3388e2fc77e2ff9be8ce0e436b0152
Diameter
81562778
Circumference
256237024.17118
Area
5.2248508794635E+15
Volume
2.8410223490986E+23
Surface area
2.0899403517854E+16
Circumference
256237024.17118
Perimeter
163125556
Area
1663121688769321
Diagonal
57673593.416213
Surface area
9978730132615926
Volume
6.7824412544039E+22
Space diagonal
70635437.751231
Perimeter
122344167
Area
7.2015281602955E+14
Altitude
35317718.875615
Surface area
7.2015281602955E+14
Volume
7.9931836733139E+21
Height
19224531.138738