40805986 is an even 8-digits composite number following 40805985
and preceding 40805987 . In scientific notation, it is written as 4.0805986 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 18800784 positive integers (up to 40805986) that are relatively prime to 40805986.
40805986 has 16 divisors, whose sum is 66032064
The reverse of 40805986 is 68950804
Previous prime number is 823
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
forty million eight hundred five thousand nine hundred eighty-six
Scientific notation
4.0805986 × 10^7
Engineering notation
4.0805986 × 10^6
Prime Factorization
2 × 13 × 823 × 1907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40805986
Product of the distinct prime numbers
The prime factorization of 40805986 is 2 × 13 × 823 × 1907.
Since it has a total of 4 prime factors.
7 , 4 , 84 , 66 , 855 , 823 , 726 , 3106 , 31871 , 81177 , 93666 , 781543 , 817137 , 702112 , 76224792 , 35251158 , 92935781 , 518752480 , 66468574 , 2999198358
n×2
81611972
n×3
122417958
n×4
163223944
n×5
204029930
n÷2
20402993
n÷3
13601995.333333
n÷3
10201496.5
n÷5
8161197.2
n2
1665128493432196
n3
6.7947209991195E+22
n4
2.7726528996398E+30
n5
1.1314083540556E+38
2 √n
6387.9563242089
3 √n
344.27695944208
4 √n
79.924691580317
5 √n
33.277046627791
1 , 2 , 13 , 26 , 823 , 1646 , 1907 , 3814 , 10699 , 21398 , 24791 , 49582 , 1569461 , 3138922 , 20402993 , 40805986
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
-40805985
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 40805986 can be divided by 16 positive divisors.
The sum of these divisors (counting 40805986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10011011101010011001100010
3
Ternary
2211210011021211
4
Quaternary
2123222121202
5
Quinary
40421242421
6
Senary
4014340334
8
Octal
233523142
10
Decimal
40805986
12
Duodecimal
117ba6aa
16
Hexadecimal
26ea662
20
Vigesimal
cf0ej6
36
Base36
oam3m
md5
b8661d87b76a57cd2717d03b3c5a688f
sha1
27db4388bffee8f13113c3f424d85b8ad9e516d6
sha256
5dabe03dffaeb80a34f013e616238124a091c1b7a1853558b438dbecf214d868
sha512
6d75971d871d41eac83e3ffd95ae275b4db9ff087275f1f9b53ce1de73a0273b7574bffc5f3e7662211b96ba1a9c532ec08049c5dc29cfb3c5f5c6dd29c6b4ff
ripemd-160
ce87cae14b90cec9f17f8b1ca28127a6dd53dd90
Diameter
81611972
Circumference
256391571.68018
Area
5.2311554422496E+15
Volume
2.8461660765368E+23
Surface area
2.0924621768999E+16
Circumference
256391571.68018
Perimeter
163223944
Area
1665128493432196
Diagonal
57708378.827207
Surface area
9990770960593176
Volume
6.7947209991195E+22
Space diagonal
70678041.004944
Perimeter
122417958
Area
7.210217879388E+14
Altitude
35339020.502472
Surface area
7.210217879388E+14
Volume
8.0076554912468E+21
Height
19236126.275736