66909428 is an even 8-digits composite number following 66909427
and preceding 66909429 . In scientific notation, it is written as 6.6909428 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 6 positive divisors.
There are 33454712 positive integers (up to 66909428) that are relatively prime to 66909428.
66909428 has 6 divisors, whose sum is 117091506
The reverse of 66909428 is 82490966
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-six million nine hundred nine thousand four hundred twenty-eight
Scientific notation
6.6909428 × 10^7
Engineering notation
6.6909428 × 10^6
Prime Factorization
2 × 2 × 16727357
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
33454714
Product of the distinct prime numbers
The prime factorization of 66909428 is 2 × 2 × 16727357.
Since it has a total of 3 prime factors.
1 , 3 , 95 , 21 , 617 , 284 , 8268 , 5977 , 99300 , 98429 , 691543 , 845826 , 6618993 , 9342686 , 37008615 , 7234841 , 589551246 , 973726951 , 6594113728 , 2871073457
n×2
133818856
n×3
200728284
n×4
267637712
n×5
334547140
n÷2
33454714
n÷3
22303142.666667
n÷3
16727357
n÷5
13381885.6
n2
4476871555287184
n3
2.9954491499374E+23
n4
2.0042378922539E+31
n5
1.3410241094664E+39
2 √n
8179.8183353911
3 √n
405.97171132786
4 √n
90.44234813068
5 √n
36.736473445158
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66909427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66909428 can be divided by 6 positive divisors.
The sum of these divisors (counting 66909428) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
11111111001111010011110100
3
Ternary
11122220100110222
4
Quaternary
3333033103310
5
Quinary
114112100203
6
Senary
10350033512
8
Octal
377172364
10
Decimal
66909428
12
Duodecimal
1a4a8898
16
Hexadecimal
3fcf4f4
20
Vigesimal
10i3db8
36
Base36
13u3n8
md5
9d0ce74f510ffc716650e30fd1b1652f
sha1
339216c02faeaf5cc81e4f57b553c2a3a288c8b5
sha256
ddaaeb26b1d7ccd88effbac284cf19c3935f47e8a54fcc2f6eab7f2bf2489976
sha512
a560a1c3d18a3dd76354b67cc4aeef317dc7fdda00621e93e7eb153a83e2b2b1f711fa459de64020cd9f465255aa1a692c18c88c741877061b464653863b5414
ripemd-160
37ab3858d4a4d0f10e47a193cfa5511efa2fa7e1
Diameter
133818856
Circumference
420404334.92139
Area
1.4064506789155E+16
Volume
1.2547308058193E+24
Surface area
5.6258027156621E+16
Circumference
420404334.92139
Perimeter
267637712
Area
4476871555287184
Diagonal
94624220.528226
Surface area
26861229331723104
Volume
2.9954491499374E+23
Space diagonal
115890528.80137
Perimeter
200728284
Area
1.9385422481793E+15
Altitude
57945264.400686
Surface area
1.9385422481793E+15
Volume
3.5301706777003E+22
Height
31541406.842742