66561628 is an even 8-digits composite number following 66561627
and preceding 66561629 . In scientific notation, it is written as 6.6561628 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 28526400 positive integers (up to 66561628) that are relatively prime to 66561628.
66561628 has 12 divisors, whose sum is 133123312
The reverse of 66561628 is 82616566
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-six million five hundred sixty-one thousand six hundred twenty-eight
Scientific notation
6.6561628 × 10^7
Engineering notation
6.6561628 × 10^6
Prime Factorization
2 × 2 × 7 × 2377201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33280814
Product of the distinct prime numbers
The prime factorization of 66561628 is 2 × 2 × 7 × 2377201.
Since it has a total of 4 prime factors.
1 , 7 , 29 , 91 , 696 , 99 , 5466 , 7354 , 33796 , 54987 , 913044 , 60639 , 7343332 , 5506176 , 58629872 , 77860934 , 389770709 , 217280383 , 8086073145 , 9356012561
n×2
133123256
n×3
199684884
n×4
266246512
n×5
332808140
n÷2
33280814
n÷3
22187209.333333
n÷3
16640407
n÷5
13312325.6
n2
4430450322010384
n3
2.9489798620614E+23
n4
1.9628890055802E+31
n5
1.3065308779472E+39
2 √n
8158.5309952221
3 √n
405.26706563477
4 √n
90.324586880993
5 √n
36.698202023038
1 , 2 , 4 , 7 , 14 , 28 , 2377201 , 4754402 , 9508804 , 16640407 , 33280814 , 66561628
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66561627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66561628 can be divided by 12 positive divisors.
The sum of these divisors (counting 66561628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111101111010011001011100
3
Ternary
11122020200101111
4
Quaternary
3331322121130
5
Quinary
114014433003
6
Senary
10334351404
8
Octal
375723134
10
Decimal
66561628
12
Duodecimal
1a35b564
16
Hexadecimal
3f7a65c
20
Vigesimal
10g0418
36
Base36
13mna4
md5
005e68c38bd889577ab0fb9679771660
sha1
d7fd05cecac0b010b530f76cd5108038f65e7478
sha256
bc388b39fa1c8d8f7971c3f1e11befa25f4897df7c4c55418845fab997146899
sha512
8b75d902bfc9a3fe41c2ea61da20c22fea4fd79017f24e495ca3868d373c1da185246c2ac20a9654a29b084022de5e6b9dc43d251d1a73f21f65b4a415550ca1
ripemd-160
6b3bf7d2a53d6973fd68ef25a454f3aae2186958
Diameter
133123256
Circumference
418219043.07155
Area
1.3918670183722E+16
Volume
1.2352657960315E+24
Surface area
5.5674680734889E+16
Circumference
418219043.07155
Perimeter
266246512
Area
4430450322010384
Diagonal
94132357.051233
Surface area
26582701932062304
Volume
2.9489798620614E+23
Space diagonal
115288121.5305
Perimeter
199684884
Area
1.918441264533E+15
Altitude
57644060.76525
Surface area
1.918441264533E+15
Volume
3.4754060967436E+22
Height
31377452.350411