66565540 is an even 8-digits composite number following 66565539
and preceding 66565541 . In scientific notation, it is written as 6.6565540 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 25059840 positive integers (up to 66565540) that are relatively prime to 66565540.
66565540 has 24 divisors, whose sum is 148011192
The reverse of 66565540 is 04556566
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixty-six million five hundred sixty-five thousand five hundred forty
Scientific notation
6.6565540 × 10^7
Engineering notation
6.6565540 × 10^6
Prime Factorization
2 × 2 × 5 × 17 × 195781
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33282770
Product of the distinct prime numbers
The prime factorization of 66565540 is 2 × 2 × 5 × 17 × 195781.
Since it has a total of 5 prime factors.
7 , 8 , 94 , 56 , 642 , 214 , 3356 , 2030 , 94841 , 98719 , 175160 , 970311 , 7860344 , 6588763 , 40138820 , 2620518 , 537204254 , 714923765 , 2794663551 , 9416136981
n×2
133131080
n×3
199696620
n×4
266262160
n×5
332827700
n÷2
33282770
n÷3
22188513.333333
n÷3
16641385
n÷5
13313108
n2
4430971115491600
n3
2.949499850271E+23
n4
1.9633505026321E+31
n5
1.3069148641698E+39
2 √n
8158.7707407427
3 √n
405.2750050124
4 √n
90.325914004469
5 √n
36.698633382654
1 , 2 , 4 , 5 , 10 , 17 , 20 , 34 , 68 , 85 , 170 , 340 , 195781 , 391562 , 783124 , 978905 , 1957810 , 3328277 , 3915620 , 6656554 , 13313108 , 16641385 , 33282770 , 66565540
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66565539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66565540 can be divided by 24 positive divisors.
The sum of these divisors (counting 66565540) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111101111011010110100100
3
Ternary
11122020212202101
4
Quaternary
3331323112210
5
Quinary
114020044130
6
Senary
10334421444
8
Octal
375732644
10
Decimal
66565540
12
Duodecimal
1a361884
16
Hexadecimal
3f7b5a4
20
Vigesimal
10g0dh0
36
Base36
13mqas
md5
af6495d14c451824c86d7e2539833323
sha1
503663839c20d837c7bc5a8e50f21e10914ba086
sha256
7aaf55173b56eec7053d3d8b6b07b5833eab5ab87da301995db8686fdeb36c26
sha512
36003677e09cbfed7bf542aec21279b7dcc920c7b622a992d198ea630d5c697e8ea3937afc520993438d0e872055be7d8820bc740348a569ad80f43bd778b9d5
ripemd-160
2212a418ba600d87ff6b889175f228e81c0ae396
Diameter
133131080
Circumference
418243622.89248
Area
1.3920306304697E+16
Volume
1.2354836081834E+24
Surface area
5.5681225218788E+16
Circumference
418243622.89248
Perimeter
266262160
Area
4430971115491600
Diagonal
94137889.454689
Surface area
26585826692949600
Volume
2.949499850271E+23
Space diagonal
115294897.31326
Perimeter
199696620
Area
1.9186667747254E+15
Altitude
57647448.656629
Surface area
1.9186667747254E+15
Volume
3.4760189087256E+22
Height
31379296.484896