66565557 is an odd 8-digits composite number following 66565556
and preceding 66565558 . In scientific notation, it is written as 6.6565557 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors.
There are 41765760 positive integers (up to 66565557) that are relatively prime to 66565557.
66565557 has 20 divisors, whose sum is 105288876
The reverse of 66565557 is 75556566
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million five hundred sixty-five thousand five hundred fifty-seven
Scientific notation
6.6565557 × 10^7
Engineering notation
6.6565557 × 10^6
Prime Factorization
3 × 3 × 9 × 17 × 48341
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
22188519
Product of the distinct prime numbers
The prime factorization of 66565557 is 3 × 3 × 9 × 17 × 48341.
Since it has a total of 5 prime factors.
7 , 7 , 60 , 77 , 559 , 551 , 2251 , 6925 , 34383 , 72117 , 99457 , 203702 , 6443641 , 8396596 , 12886560 , 19307592 , 112026123 , 238536068 , 2930975234 , 3744568627
n×2
133131114
n×3
199696671
n×4
266262228
n×5
332827785
n÷2
33282778.5
n÷3
22188519
n÷3
16641389.25
n÷5
13313111.4
n2
4430973378720249
n3
2.9495021100669E+23
n4
1.9633525082928E+31
n5
1.3069165330185E+39
2 √n
8158.7717825663
3 √n
405.27503951311
4 √n
90.325919771494
5 √n
36.698635257127
1 , 3 , 9 , 17 , 27 , 51 , 81 , 153 , 459 , 1377 , 48341 , 145023 , 435069 , 821797 , 1305207 , 2465391 , 3915621 , 7396173 , 22188519 , 66565557
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66565556
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66565557 can be divided by 20 positive divisors.
The sum of these divisors (counting 66565557) is 1, the average is 0.05.
Base
System
Value
2
Binary
11111101111011010110110101
3
Ternary
11122020212210000
4
Quaternary
3331323112311
5
Quinary
114020044212
6
Senary
10334421513
8
Octal
375732665
10
Decimal
66565557
12
Duodecimal
1a361899
16
Hexadecimal
3f7b5b5
20
Vigesimal
10g0dhh
36
Base36
13mqb9
md5
673b8992b5f89bb90d025a19c4cadaf3
sha1
07516e2db2a662f5bee0e7d623f812d548926ba8
sha256
55c38c6b5c857403e00ce11117daf83b872ea7b46e241ec612846974894d8a56
sha512
054c0f2d269c6125812991f772584ed7cafd2c887b59c134342dfe1b2295652e6dae65ac974594d217aa376be4e503070f20e8bc0a82346bdcacc81a81f9c734
ripemd-160
8376ff6c020585018a2de7be7692d962e62b76c3
Diameter
133131114
Circumference
418243729.70663
Area
1.3920313414839E+16
Volume
1.2354845547645E+24
Surface area
5.5681253659358E+16
Circumference
418243729.70663
Perimeter
266262228
Area
4430973378720249
Diagonal
94137913.496319
Surface area
26585840272321494
Volume
2.9495021100669E+23
Space diagonal
115294926.75812
Perimeter
199696671
Area
1.9186677547322E+15
Altitude
57647463.379061
Surface area
1.9186677547322E+15
Volume
3.4760215719205E+22
Height
31379304.498773