40805985 is an odd 8-digits composite number following 40805984
and preceding 40805986 . In scientific notation, it is written as 4.0805985 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 19784640 positive integers (up to 40805985) that are relatively prime to 40805985.
40805985 has 16 divisors, whose sum is 71225280
The reverse of 40805985 is 58950804
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
forty million eight hundred five thousand nine hundred eighty-five
Scientific notation
4.0805985 × 10^7
Engineering notation
4.0805985 × 10^6
Prime Factorization
5 × 3 × 11 × 247309
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40805985
Product of the distinct prime numbers
The prime factorization of 40805985 is 5 × 3 × 11 × 247309.
Since it has a total of 4 prime factors.
4 , 6 , 25 , 30 , 894 , 536 , 5250 , 1671 , 5938 , 97950 , 22664 , 727969 , 6405636 , 889418 , 64062134 , 64081688 , 223682772 , 272637828 , 9645725398 , 962027476
n×2
81611970
n×3
122417955
n×4
163223940
n×5
204029925
n÷2
20402992.5
n÷3
13601995
n÷3
10201496.25
n÷5
8161197
n2
1665128411820225
n3
6.794720499581E+22
n4
2.7726526278509E+30
n5
1.131408215423E+38
2 √n
6387.9562459366
3 √n
344.27695662977
4 √n
79.924691090655
5 √n
33.277046464693
1 , 3 , 5 , 11 , 15 , 33 , 55 , 165 , 247309 , 741927 , 1236545 , 2720399 , 3709635 , 8161197 , 13601995 , 40805985
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
-40805984
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 40805985 can be divided by 16 positive divisors.
The sum of these divisors (counting 40805985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10011011101010011001100001
3
Ternary
2211210011021210
4
Quaternary
2123222121201
5
Quinary
40421242420
6
Senary
4014340333
8
Octal
233523141
10
Decimal
40805985
12
Duodecimal
117ba6a9
16
Hexadecimal
26ea661
20
Vigesimal
cf0ej5
36
Base36
oam3l
md5
7132ee54434502cee984f98b8fca4df7
sha1
9b5de45772c394489d76625a4d1d6723b80127d9
sha256
e1016893918eb358081a70324bd59f4fbdffad574bf125038a0cd0fcc41b5621
sha512
4ab16165d0096e83885cb113129065e4811649528d77d5bf4d1ad2b1ca21fcbefb758a34bebb76a2495bfcf54f35451f5143db6915152ad1b3cd4acefedfafa3
ripemd-160
ebc1ad2007db4550c12ba3991a05c44062005d34
Diameter
81611970
Circumference
256391565.39699
Area
5.2311551858581E+15
Volume
2.8461658672906E+23
Surface area
2.0924620743432E+16
Circumference
256391565.39699
Perimeter
163223940
Area
1665128411820225
Diagonal
57708377.412993
Surface area
9990770470921350
Volume
6.794720499581E+22
Space diagonal
70678039.272893
Perimeter
122417955
Area
7.2102175259978E+14
Altitude
35339019.636447
Surface area
7.2102175259978E+14
Volume
8.0076549025349E+21
Height
19236125.804331