66291213 is an odd 8-digits composite number following 66291212
and preceding 66291214 . In scientific notation, it is written as 6.6291213 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 44194140 positive integers (up to 66291213) that are relatively prime to 66291213.
66291213 has 4 divisors, whose sum is 88388288
The reverse of 66291213 is 31219266
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
sixty-six million two hundred ninety-one thousand two hundred thirteen
Scientific notation
6.6291213 × 10^7
Engineering notation
6.6291213 × 10^6
Prime Factorization
3 × 22097071
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66291213
Product of the distinct prime numbers
The prime factorization of 66291213 is 3 × 22097071.
Since it has a total of 2 prime factors.
4 , 3 , 35 , 31 , 126 , 987 , 2987 , 3353 , 81372 , 10711 , 876594 , 849621 , 1642124 , 9928493 , 85915911 , 33245889 , 38309375 , 415483342 , 5945380994 , 9867147022
n×2
132582426
n×3
198873639
n×4
265164852
n×5
331456065
n÷2
33145606.5
n÷3
22097071
n÷3
16572803.25
n÷5
13258242.6
n2
4394524921011369
n3
2.9131838757257E+23
n4
1.931184928139E+31
n5
1.2802059141365E+39
2 √n
8141.9415989062
3 √n
404.7175045696
4 √n
90.232708032654
5 √n
36.668335234604
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
-66291212
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 66291213 can be divided by 4 positive divisors.
The sum of these divisors (counting 66291213) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111100111000011000001101
3
Ternary
11121201221110010
4
Quaternary
3330320120031
5
Quinary
113432304323
6
Senary
10324503433
8
Octal
374703015
10
Decimal
66291213
12
Duodecimal
1a24ab79
16
Hexadecimal
3f3860d
20
Vigesimal
10e680d
36
Base36
13guml
md5
e169bf5136055d8146998b896c731c0f
sha1
102db747ee4a98044337358f2f78ba19592cda76
sha256
2c73a295725c489a01e89f33cc0bcb0a2a6d2b6106a64bc2d2e3042e91b4a6a8
sha512
49090c0f476e9a0593daa342b4133a9d601a8473d3ab73f0e2615eb32d500e95663cd1b7df82cfed3e8474eb869f531f27aa952d6f665a8d8a76332bfe2c05f2
ripemd-160
74172342b8dcdf9e225f8478cdcc3ce351e56db6
Diameter
132582426
Circumference
416519975.51671
Area
1.3805807207867E+16
Volume
1.2202716083382E+24
Surface area
5.5223228831466E+16
Circumference
416519975.51671
Perimeter
265164852
Area
4394524921011369
Diagonal
93749932.490764
Surface area
26367149526068214
Volume
2.9131838757257E+23
Space diagonal
114819749.01137
Perimeter
198873639
Area
1.9028851095798E+15
Altitude
57409874.505685
Surface area
1.9028851095798E+15
Volume
3.4332201222816E+22
Height
31249977.496921