20081216 is an even 8-digits composite number following 20081215
and preceding 20081217 . In scientific notation, it is written as 2.0081216 × 10^7.
The sum of its digits is 20. It has a total of 8 prime factors and 28 positive divisors.
There are 9449472 positive integers (up to 20081216) that are relatively prime to 20081216.
20081216 has 28 divisors, whose sum is 42194988
The reverse of 20081216 is 61218002
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million eighty-one thousand two hundred sixteen
Scientific notation
2.0081216 × 10^7
Engineering notation
2.0081216 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 17 × 18457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
627538
Product of the distinct prime numbers
The prime factorization of 20081216 is 2 × 2 × 2 × 2 × 2 × 2 × 17 × 18457.
Since it has a total of 8 prime factors.
9 , 10 , 72 , 1 , 961 , 117 , 7685 , 4032 , 26854 , 68073 , 403859 , 896943 , 4806340 , 6295274 , 73480282 , 76464342 , 243504342 , 771575258 , 8519831413 , 8052390466
n×2
40162432
n×3
60243648
n×4
80324864
n×5
100406080
n÷2
10040608
n÷3
6693738.6666667
n÷3
5020304
n÷5
4016243.2
n2
403255236038656
n3
8.0978554980232E+21
n4
1.6261478539259E+29
n5
3.2655026302623E+36
2 √n
4481.2069802677
3 √n
271.80868900251
4 √n
66.94181787394
5 √n
28.877394209319
1 , 2 , 4 , 8 , 16 , 17 , 32 , 34 , 64 , 68 , 136 , 272 , 544 , 1088 , 18457 , 36914 , 73828 , 147656 , 295312 , 313769 , 590624 , 627538 , 1181248 , 1255076 , 2510152 , 5020304 , 10040608 , 20081216
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081215
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081216 can be divided by 28 positive divisors.
The sum of these divisors (counting 20081216) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001100100110101001000000
3
Ternary
1101210020020202
4
Quaternary
1030212221000
5
Quinary
20120044331
6
Senary
1554224332
8
Octal
114465100
10
Decimal
20081216
12
Duodecimal
68850a8
16
Hexadecimal
1326a40
20
Vigesimal
65a30g
36
Base36
byerk
md5
657f4f0af3fdfadf621fd520d48a9349
sha1
aadb96b144b358c2eaa4030a24608701d9e5a0d1
sha256
da936913353f4cdb258cc35e2ca105f7222c6e8a4d841a962b21e02ed80de334
sha512
76f4ad5ea5abb917a7c59396dfa41c35ecb27fa292066c401c9377d899006c929a249502db6be9ae0d7102b024f6be40df2ed0a759e659f97a7fbd865f439637
ripemd-160
72f0823365690eb95103c77aad1a9f937d8d11c8
Diameter
40162432
Circumference
126174001.3215
Area
1.2668636870607E+15
Volume
3.3920217789895E+22
Surface area
5.0674547482426E+15
Circumference
126174001.3215
Perimeter
80324864
Area
403255236038656
Diagonal
28399128.016144
Surface area
2419531416231936
Volume
8.0978554980232E+21
Space diagonal
34781686.389765
Perimeter
60243648
Area
1.7461463930928E+14
Altitude
17390843.194883
Surface area
1.7461463930928E+14
Volume
9.5434142262017E+20
Height
9466376.0053812