20208904 is an even 8-digits composite number following 20208903
and preceding 20208905 . In scientific notation, it is written as 2.0208904 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 9665040 positive integers (up to 20208904) that are relatively prime to 20208904.
20208904 has 16 divisors, whose sum is 39539520
The reverse of 20208904 is 40980202
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred eight thousand nine hundred four
Scientific notation
2.0208904 × 10^7
Engineering notation
2.0208904 × 10^6
Prime Factorization
2 × 2 × 2 × 23 × 109831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5052226
Product of the distinct prime numbers
The prime factorization of 20208904 is 2 × 2 × 2 × 23 × 109831.
Since it has a total of 5 prime factors.
4 , 8 , 21 , 57 , 603 , 21 , 5120 , 7300 , 89057 , 23261 , 495058 , 806951 , 591038 , 9273041 , 83829765 , 68779228 , 993862790 , 72599958 , 5976649200 , 5760254577
n×2
40417808
n×3
60626712
n×4
80835616
n×5
101044520
n÷2
10104452
n÷3
6736301.3333333
n÷3
5052226
n÷5
4041780.8
n2
408399800881216
n3
8.2533123696276E+21
n4
1.6679039735982E+29
n5
3.3706511283664E+36
2 √n
4495.4314587145
3 √n
272.38357790803
4 √n
67.047978781724
5 √n
28.914024998472
1 , 2 , 4 , 8 , 23 , 46 , 92 , 184 , 109831 , 219662 , 439324 , 878648 , 2526113 , 5052226 , 10104452 , 20208904
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20208903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20208904 can be divided by 16 positive divisors.
The sum of these divisors (counting 20208904) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000101110100001000
3
Ternary
1102000201101221
4
Quaternary
1031011310020
5
Quinary
20133141104
6
Senary
2001051424
8
Octal
115056410
10
Decimal
20208904
12
Duodecimal
6926b74
16
Hexadecimal
1345d08
20
Vigesimal
666254
36
Base36
c15ag
md5
0c6d46d4c6f07cf27436b959bf6f2469
sha1
7f2895f07543381dd6460036d73b4ef36933f62d
sha256
144d4350364dfe2729a747648ab925a9b3b4eb26ace256f3e340208fe2f78d62
sha512
020283164e7d938be10f4604841ab4457955b316926e447381e6a9bdb063e8279e62d8b767a36b6163e3ea3ef8ae02f177a68432c14ac68f0607770b3939afdc
ripemd-160
8c51f97ed46751012fcbb97fcae88b293ba21d3e
Diameter
40417808
Circumference
126976288.687
Area
1.283025814176E+15
Volume
3.4571394010938E+22
Surface area
5.1321032567038E+15
Circumference
126976288.687
Perimeter
80835616
Area
408399800881216
Diagonal
28579706.117496
Surface area
2450398805287296
Volume
8.2533123696276E+21
Space diagonal
35002848.493282
Perimeter
60626712
Area
1.7684230123182E+14
Altitude
17501424.246641
Surface area
1.7684230123182E+14
Volume
9.7266219063575E+20
Height
9526568.705832