66745986 is an even 8-digits composite number following 66745985
and preceding 66745987 . In scientific notation, it is written as 6.6745986 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 22172144 positive integers (up to 66745986) that are relatively prime to 66745986.
66745986 has 16 divisors, whose sum is 133951104
The reverse of 66745986 is 68954766
Previous prime number is 293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-six million seven hundred forty-five thousand nine hundred eighty-six
Scientific notation
6.6745986 × 10^7
Engineering notation
6.6745986 × 10^6
Prime Factorization
2 × 3 × 293 × 37967
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66745986
Product of the distinct prime numbers
The prime factorization of 66745986 is 2 × 3 × 293 × 37967.
Since it has a total of 4 prime factors.
10 , 1 , 20 , 3 , 814 , 216 , 1284 , 8844 , 58742 , 59490 , 205030 , 712526 , 1705664 , 1529121 , 4483176 , 59072572 , 756628734 , 137110702 , 6384130070 , 2615135818
n×2
133491972
n×3
200237958
n×4
266983944
n×5
333729930
n÷2
33372993
n÷3
22248662
n÷3
16686496.5
n÷5
13349197.2
n2
4455026647112196
n3
2.9735514621778E+23
n4
1.984726242648E+31
n5
1.3247251000561E+39
2 √n
8169.8216626803
3 √n
405.64088137198
4 √n
90.387065793067
5 √n
36.718508389307
1 , 2 , 3 , 6 , 293 , 586 , 879 , 1758 , 37967 , 75934 , 113901 , 227802 , 11124331 , 22248662 , 33372993 , 66745986
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66745985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66745986 can be divided by 16 positive divisors.
The sum of these divisors (counting 66745986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111110100111011010000010
3
Ternary
11122121001021120
4
Quaternary
3332213122002
5
Quinary
114041332421
6
Senary
10342333110
8
Octal
376473202
10
Decimal
66745986
12
Duodecimal
1a42a196
16
Hexadecimal
3fa7682
20
Vigesimal
10h34j6
36
Base36
13qlj6
md5
507052aecf08a044658add9d1fabdc28
sha1
9ba39165afae479d1a2fe4dc3bad9a2606a43963
sha256
0fc789a42a7ca4c3e31c7ee0c8afcd30d1095559fae615a8499d6180ef8e4fb8
sha512
79714c2787ddb7d3da9b7d45e6b36cedca1309f0b6a270ee9f5b94106773f817d186cd34924fae2f617c8edf521a75346a54ccd297fa820cc22eb7e26bed6422
ripemd-160
a3fd398fe794bdbee0d3c78c3435836edca5cce9
Diameter
133491972
Circumference
419377398.54841
Area
1.3995878986114E+16
Volume
1.2455583238199E+24
Surface area
5.5983515944458E+16
Circumference
419377398.54841
Perimeter
266983944
Area
4455026647112196
Diagonal
94393078.635165
Surface area
26730159882673176
Volume
2.9735514621778E+23
Space diagonal
115607438.95328
Perimeter
200237958
Area
1.9290831254679E+15
Altitude
57803719.47664
Surface area
1.9290831254679E+15
Volume
3.5043640051885E+22
Height
31464359.545055