66811420 is an even 8-digits composite number following 66811419
and preceding 66811421 . In scientific notation, it is written as 6.6811420 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 24668736 positive integers (up to 66811420) that are relatively prime to 66811420.
66811420 has 24 divisors, whose sum is 151097184
The reverse of 66811420 is 02411866
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
sixty-six million eight hundred eleven thousand four hundred twenty
Scientific notation
6.6811420 × 10^7
Engineering notation
6.6811420 × 10^6
Prime Factorization
2 × 2 × 5 × 13 × 256967
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33405710
Product of the distinct prime numbers
The prime factorization of 66811420 is 2 × 2 × 5 × 13 × 256967.
Since it has a total of 5 prime factors.
10 , 8 , 49 , 63 , 465 , 346 , 6762 , 6035 , 64913 , 94219 , 345505 , 40440 , 1433914 , 8317788 , 96871234 , 62510558 , 389869823 , 666822319 , 6253185236 , 555014439
n×2
133622840
n×3
200434260
n×4
267245680
n×5
334057100
n÷2
33405710
n÷3
22270473.333333
n÷3
16702855
n÷5
13362284
n2
4463765842416400
n3
2.9823053447934E+23
n4
1.9925205495923E+31
n5
1.3312312729744E+39
2 √n
8173.8252978639
3 √n
405.77339389239
4 √n
90.409210249089
5 √n
36.72570491875
1 , 2 , 4 , 5 , 10 , 13 , 20 , 26 , 52 , 65 , 130 , 260 , 256967 , 513934 , 1027868 , 1284835 , 2569670 , 3340571 , 5139340 , 6681142 , 13362284 , 16702855 , 33405710 , 66811420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66811419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66811420 can be divided by 24 positive divisors.
The sum of these divisors (counting 66811420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111110110111011000011100
3
Ternary
11122201101001001
4
Quaternary
3332313120130
5
Quinary
114100431140
6
Senary
10344000044
8
Octal
376673034
10
Decimal
66811420
12
Duodecimal
1a460024
16
Hexadecimal
3fb761c
20
Vigesimal
10hb8b0
36
Base36
13s00s
md5
0a8b3b67373743a9a21a2de4202f79a2
sha1
b266b0bb163d8f9317e5eacb3c4be441b9d46c0d
sha256
16e2590ae08bf38e331a94c4efbac6b17b47ecd5b26102d00b73620835c46400
sha512
b0483f40e312825d3db39bc27cd21f1f59ecc34ab9aa83ea6701d763551de30210e09fe6a00306dbbe4571b1430a86b129faa5a834cfbdf909ab0fa528927d8b
ripemd-160
0cc9e764ec43faf0ae7267490ccb801150ad3304
Diameter
133622840
Circumference
419788532.4958
Area
1.402333397788E+16
Volume
1.2492251415953E+24
Surface area
5.6093335911522E+16
Circumference
419788532.4958
Perimeter
267245680
Area
4463765842416400
Diagonal
94485616.285405
Surface area
26782595054498400
Volume
2.9823053447934E+23
Space diagonal
115720773.96582
Perimeter
200434260
Area
1.9328673080389E+15
Altitude
57860386.982912
Surface area
1.9328673080389E+15
Volume
3.5146805547871E+22
Height
31495205.428468