40205989 is an odd 8-digits composite number following 40205988
and preceding 40205990 . In scientific notation, it is written as 4.0205989 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 39270924 positive integers (up to 40205989) that are relatively prime to 40205989.
40205989 has 4 divisors, whose sum is 41141056
The reverse of 40205989 is 98950204
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
forty million two hundred five thousand nine hundred eighty-nine
Scientific notation
4.0205989 × 10^7
Engineering notation
4.0205989 × 10^6
Prime Factorization
43 × 935023
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
40205989
Product of the distinct prime numbers
The prime factorization of 40205989 is 43 × 935023.
Since it has a total of 2 prime factors.
7 , 10 , 8 , 77 , 897 , 617 , 6601 , 6327 , 41792 , 49630 , 395505 , 653990 , 8495941 , 4286738 , 33843639 , 5049289 , 719065947 , 500514322 , 6431503694 , 2803450457
n×2
80411978
n×3
120617967
n×4
160823956
n×5
201029945
n÷2
20102994.5
n÷3
13401996.333333
n÷3
10051497.25
n÷5
8041197.8
n2
1616521551468121
n3
6.499384771659E+22
n4
2.6131419263609E+30
n5
1.0506395554671E+38
2 √n
6340.8192688327
3 √n
342.5812448675
4 √n
79.629261385704
5 √n
33.178607124746
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
-40205988
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 40205989 can be divided by 4 positive divisors.
The sum of these divisors (counting 40205989) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011001010111111010100101
3
Ternary
2210122200020201
4
Quaternary
2121113322211
5
Quinary
40243042424
6
Senary
3553430501
8
Octal
231277245
10
Decimal
40205989
12
Duodecimal
1156b431
16
Hexadecimal
2657ea5
20
Vigesimal
cb5ej9
36
Base36
nxr51
md5
ebde73ff41add775d7aa045d368ad49b
sha1
d6f12567e5b6d5406315fc140ffc460e32a4b2b1
sha256
be441791d71b15b3f6a201389dc4ad0334211b0c8c87024c14bcf4549b2dcb66
sha512
755d5a2e177cfb3f327169cc12a249fa7bd0bb975c3875542bde06fca45bfda0891f57bf70218bc7de62565f1d11f5eca0c6ce0817a0f48fd47b9e929599b3d1
ripemd-160
e45a689968c19148c9bc0e4277cc153568166d02
Diameter
80411978
Circumference
252621679.34542
Area
5.0784522304618E+15
Volume
2.7224559268663E+23
Surface area
2.0313808921847E+16
Circumference
252621679.34542
Perimeter
160823956
Area
1616521551468121
Diagonal
56859854.932423
Surface area
9699129308808726
Volume
6.499384771659E+22
Space diagonal
69638815.716555
Perimeter
120617967
Area
6.9997436466821E+14
Altitude
34819407.858278
Surface area
6.9997436466821E+14
Volume
7.6595984093011E+21
Height
18953284.977474