66181812 is an even 8-digits composite number following 66181811
and preceding 66181813 . In scientific notation, it is written as 6.6181812 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 22060600 positive integers (up to 66181812) that are relatively prime to 66181812.
66181812 has 12 divisors, whose sum is 154424256
The reverse of 66181812 is 21818166
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixty-six million one hundred eighty-one thousand eight hundred twelve
Scientific notation
6.6181812 × 10^7
Engineering notation
6.6181812 × 10^6
Prime Factorization
2 × 2 × 3 × 5515151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33090906
Product of the distinct prime numbers
The prime factorization of 66181812 is 2 × 2 × 3 × 5515151.
Since it has a total of 4 prime factors.
8 , 8 , 40 , 33 , 719 , 739 , 7746 , 695 , 50954 , 52703 , 694816 , 147941 , 7906645 , 9026967 , 33843786 , 56242553 , 764020500 , 21219765 , 9875746753 , 2899832056
n×2
132363624
n×3
198545436
n×4
264727248
n×5
330909060
n÷2
33090906
n÷3
22060604
n÷3
16545453
n÷5
13236362.4
n2
4380032239603344
n3
2.8987847023537E+23
n4
1.9184682419965E+31
n5
1.2696770451978E+39
2 √n
8135.22046413
3 √n
404.4947456412
4 √n
90.195457003832
5 √n
36.656224418985
1 , 2 , 3 , 4 , 6 , 12 , 5515151 , 11030302 , 16545453 , 22060604 , 33090906 , 66181812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66181811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66181812 can be divided by 12 positive divisors.
The sum of these divisors (counting 66181812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111100011101101010110100
3
Ternary
11121112101101020
4
Quaternary
3330131222310
5
Quinary
113420304222
6
Senary
10322301140
8
Octal
374355264
10
Decimal
66181812
12
Duodecimal
1a1b77b0
16
Hexadecimal
3f1dab4
20
Vigesimal
10dceac
36
Base36
13ei7o
md5
c9da296ed7af4119e88446c9e81e2fd0
sha1
c61aa730400444cebe1d84ac7c833838f7601c59
sha256
6f485a542612379c48f765d18d7dc8c8981abf59a5ffc506369ba6fd8ce27008
sha512
bc8e1dbd42f777247c6594a39650af0e9d45b031e77eed29eed363ea4e0360d342c690e2126250ea78defee1fb5139e053331847493dd8963a698aa51641a3ce
ripemd-160
fea641e392adf9ee5473d6766727c181dbade137
Diameter
132363624
Circumference
415832588.76092
Area
1.3760277106424E+16
Volume
1.2142400967004E+24
Surface area
5.5041108425697E+16
Circumference
415832588.76092
Perimeter
264727248
Area
4380032239603344
Diagonal
93595216.112826
Surface area
26280193437620064
Volume
2.8987847023537E+23
Space diagonal
114630260.92097
Perimeter
198545436
Area
1.8966095944457E+15
Altitude
57315130.460486
Surface area
1.8966095944457E+15
Volume
3.4162505337235E+22
Height
31198405.370942