66215812 is an even 8-digits composite number following 66215811
and preceding 66215813 . In scientific notation, it is written as 6.6215812 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 30561120 positive integers (up to 66215812) that are relatively prime to 66215812.
66215812 has 12 divisors, whose sum is 124791436
The reverse of 66215812 is 21851266
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
sixty-six million two hundred fifteen thousand eight hundred twelve
Scientific notation
6.6215812 × 10^7
Engineering notation
6.6215812 × 10^6
Prime Factorization
2 × 2 × 13 × 1273381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33107906
Product of the distinct prime numbers
The prime factorization of 66215812 is 2 × 2 × 13 × 1273381.
Since it has a total of 4 prime factors.
4 , 1 , 64 , 18 , 802 , 615 , 8496 , 7853 , 60781 , 61918 , 158827 , 441886 , 186051 , 9088640 , 3153300 , 23345818 , 389237014 , 594083797 , 2291011693 , 3276114045
n×2
132431624
n×3
198647436
n×4
264863248
n×5
331079060
n÷2
33107906
n÷3
22071937.333333
n÷3
16553953
n÷5
13243162.4
n2
4384533758819344
n3
2.9032546308164E+23
n4
1.9224136282226E+31
n5
1.2729417939263E+39
2 √n
8137.3098748911
3 √n
404.56400166235
4 √n
90.207038943151
5 √n
36.659989971971
1 , 2 , 4 , 13 , 26 , 52 , 1273381 , 2546762 , 5093524 , 16553953 , 33107906 , 66215812
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
-66215811
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 66215812 can be divided by 12 positive divisors.
The sum of these divisors (counting 66215812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111100100101111110000100
3
Ternary
11121121010000111
4
Quaternary
3330211332010
5
Quinary
113422401222
6
Senary
10323122404
8
Octal
374457604
10
Decimal
66215812
12
Duodecimal
1a213404
16
Hexadecimal
3f25f84
20
Vigesimal
10dgjac
36
Base36
13f8g4
md5
053a88157ca247b46519d6c75ab36902
sha1
c3f167b3f91a3e1c943cdca74b425827c77d3ed6
sha256
ae163e997b369f7c3fa97e210d330dd4002741f701a9ad77bde8791b98b52b98
sha512
92b2a26d4711358fc50f54817d34adf56e3bde487efd880de0b03d0a4bc9d1858f20f600485636086c7ea4b29619085c0c2b32012e3fd6d4bdbde46d157ce424
ripemd-160
9b6c14e5ea17eea4a84cea7ab007acc8b827e61e
Diameter
132431624
Circumference
416046217.06137
Area
1.3774419046123E+16
Volume
1.2161124559564E+24
Surface area
5.5097676184493E+16
Circumference
416046217.06137
Perimeter
264863248
Area
4384533758819344
Diagonal
93643299.373947
Surface area
26307202552916064
Volume
2.9032546308164E+23
Space diagonal
114689150.64843
Perimeter
198647436
Area
1.898558809444E+15
Altitude
57344575.324214
Surface area
1.898558809444E+15
Volume
3.4215183949358E+22
Height
31214433.124649