66811421 is an odd 8-digits prime number following 66811420
and preceding 66811422 . In scientific notation, it is written as 6.6811421 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 66811420 positive integers (up to 66811421) that are relatively prime to 66811421.
66811421 has 2 divisors, whose sum is 66811422
The reverse of 66811421 is 12411866
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
sixty-six million eight hundred eleven thousand four hundred twenty-one
Scientific notation
6.6811421 × 10^7
Engineering notation
6.6811421 × 10^6
Prime Factorization
66811421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
66811421
Product of the distinct prime numbers
The prime factorization of 66811421 is 66811421.
Since it has a total of 1 prime factors.
1 , 3 , 23 , 34 , 672 , 641 , 6040 , 4210 , 32952 , 74912 , 946422 , 7582 , 2516722 , 5734141 , 83699815 , 64737752 , 601692334 , 592516833 , 8765392832 , 8682441052
n×2
133622842
n×3
200434263
n×4
267245684
n×5
334057105
n÷2
33405710.5
n÷3
22270473.666667
n÷3
16702855.25
n÷5
13362284.2
n2
4463765976039241
n3
2.9823054787063E+23
n4
1.9925206688846E+31
n5
1.3312313726005E+39
2 √n
8173.8253590348
3 √n
405.77339591686
4 √n
90.409210587389
5 √n
36.725705028688
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
66811422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
33405711
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8173.8254202056
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999970065
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66811421 can be divided by 2 positive divisors.
The sum of these divisors (counting 66811421) is 66811422, the average is 33405711.
Base
System
Value
2
Binary
11111110110111011000011101
3
Ternary
11122201101001002
4
Quaternary
3332313120131
5
Quinary
114100431141
6
Senary
10344000045
8
Octal
376673035
10
Decimal
66811421
12
Duodecimal
1a460025
16
Hexadecimal
3fb761d
20
Vigesimal
10hb8b1
36
Base36
13s00t
md5
06e539662bea9f9f502b00fd58b4d581
sha1
a63515c0ca06d944d8c5c6a5c73641a4886a76a9
sha256
48a0519f1ed33446d0ce916e250ad4362afc5875f6cfc2a44da85dde0bd56356
sha512
0383dae5fb256807478d13f0e6f80ea560c98784c3ddc28c17b2cbcd4febf88eb7992c75cddebffa3d97bb1bcd5cf90bb875b1487876bc1c52aec2e33000f3f7
ripemd-160
ae345e59643417176251a0cd26d22d48be3ee8c9
Diameter
133622842
Circumference
419788538.77899
Area
1.4023334397669E+16
Volume
1.2492251976886E+24
Surface area
5.6093337590676E+16
Circumference
419788538.77899
Perimeter
267245684
Area
4463765976039241
Diagonal
94485617.699619
Surface area
26782595856235446
Volume
2.9823054787063E+23
Space diagonal
115720775.69787
Perimeter
200434263
Area
1.9328673658993E+15
Altitude
57860387.848937
Surface area
1.9328673658993E+15
Volume
3.5146807126051E+22
Height
31495205.899873