66909538 is an even 8-digits composite number following 66909537
and preceding 66909539 . In scientific notation, it is written as 6.6909538 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 33454768 positive integers (up to 66909538) that are relatively prime to 66909538.
66909538 has 4 divisors, whose sum is 100364310
The reverse of 66909538 is 83590966
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-six million nine hundred nine thousand five hundred thirty-eight
Scientific notation
6.6909538 × 10^7
Engineering notation
6.6909538 × 10^6
Prime Factorization
2 × 33454769
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66909538
Product of the distinct prime numbers
The prime factorization of 66909538 is 2 × 33454769.
Since it has a total of 2 prime factors.
1 , 4 , 39 , 70 , 226 , 465 , 1875 , 5930 , 85335 , 70421 , 230267 , 620803 , 8791459 , 1189922 , 60813089 , 27406498 , 782216049 , 272590309 , 9515503151 , 7459904157
n×2
133819076
n×3
200728614
n×4
267638152
n×5
334547690
n÷2
33454769
n÷3
22303179.333333
n÷3
16727384.5
n÷5
13381907.6
n2
4476886275373444
n3
2.9954639236378E+23
n4
2.0042510722627E+31
n5
1.341035132811E+39
2 √n
8179.825059254
3 √n
405.97193380206
4 √n
90.442385302766
5 √n
36.736485524201
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
-66909537
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 66909538 can be divided by 4 positive divisors.
The sum of these divisors (counting 66909538) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111001111010101100010
3
Ternary
11122220100122001
4
Quaternary
3333033111202
5
Quinary
114112101123
6
Senary
10350034214
8
Octal
377172542
10
Decimal
66909538
12
Duodecimal
1a4a896a
16
Hexadecimal
3fcf562
20
Vigesimal
10i3dgi
36
Base36
13u3qa
md5
5a0933fee4e69f81454a8fcca4887734
sha1
80d918fdaa537d7619492719b116ebe062930ee1
sha256
5754ff78c6df1e65facf506cfdb7334526e0ccff6e15efdffe050ae0272047c1
sha512
b84a225c3180b1d7974ccf9c04de5279c9763cb64ccc66d6d8f064c53d1e288f14003c3bc7785ee3dcf88e6482f6f893d821440095714fc44c44e5de8b8dc95c
ripemd-160
6be860c108e7728a7cde95ca37c43cc7fd1bd47e
Diameter
133819076
Circumference
420405026.07177
Area
1.406455303367E+16
Volume
1.2547369942125E+24
Surface area
5.6258212134681E+16
Circumference
420405026.07177
Perimeter
267638152
Area
4476886275373444
Diagonal
94624376.091718
Surface area
26861317652240664
Volume
2.9954639236378E+23
Space diagonal
115890719.32696
Perimeter
200728614
Area
1.9385486221636E+15
Altitude
57945359.66348
Surface area
1.9385486221636E+15
Volume
3.5301880886732E+22
Height
31541458.697239