20210904 is an even 8-digits composite number following 20210903
and preceding 20210905 . In scientific notation, it is written as 2.0210904 × 10^7.
The sum of its digits is 18. It has a total of 6 prime factors and 32 positive divisors.
There are 5774112 positive integers (up to 20210904) that are relatively prime to 20210904.
20210904 has 32 divisors, whose sum is 44916480
The reverse of 20210904 is 40901202
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million two hundred ten thousand nine hundred four
Scientific notation
2.0210904 × 10^7
Engineering notation
2.0210904 × 10^6
Prime Factorization
2 × 2 × 2 × 27 × 7 × 13367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5052726
Product of the distinct prime numbers
The prime factorization of 20210904 is 2 × 2 × 2 × 27 × 7 × 13367.
Since it has a total of 6 prime factors.
5 , 9 , 96 , 64 , 348 , 179 , 4061 , 9911 , 51181 , 12741 , 322066 , 668023 , 4443409 , 4188696 , 8412248 , 44825281 , 901134368 , 182395038 , 5925346236 , 759618618
n×2
40421808
n×3
60632712
n×4
80843616
n×5
101054520
n÷2
10105452
n÷3
6736968
n÷3
5052726
n÷5
4042180.8
n2
408480640497216
n3
8.2557630109477E+21
n4
1.6685643366102E+29
n5
3.3723193625052E+36
2 √n
4495.6539012695
3 √n
272.39256320786
4 √n
67.04963759238
5 √n
28.914597278502
1 , 2 , 4 , 7 , 8 , 14 , 27 , 28 , 54 , 56 , 108 , 189 , 216 , 378 , 756 , 1512 , 13367 , 26734 , 53468 , 93569 , 106936 , 187138 , 360909 , 374276 , 721818 , 748552 , 1443636 , 2526363 , 2887272 , 5052726 , 10105452 , 20210904
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20210903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20210904 can be divided by 32 positive divisors.
The sum of these divisors (counting 20210904) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000110010011011000
3
Ternary
1102000211011000
4
Quaternary
1031012103120
5
Quinary
20133222104
6
Senary
2001105000
8
Octal
115062330
10
Decimal
20210904
12
Duodecimal
6928160
16
Hexadecimal
13464d8
20
Vigesimal
666754
36
Base36
c16u0
md5
ac57c8b0fd67b6083a4d9851d6f6659b
sha1
e7446914b1121911a50b04fbdbdcecb281cb74e2
sha256
2cf1124dc38c5482c76e954b5b8edea97db3953dbc5cf2537e952d77a57eb7e2
sha512
4fd5dc060670cf423ecbb6b39ab29bb42bd410b63326684d0dc40f177b1b3dc091db5f996e41bf05b0c46e183e84ad0608beef6c67ce0a71f43dacb2479bc7f8
ripemd-160
3ce40724277211e342b0b877c9cd68ffefeb8b5d
Diameter
40421808
Circumference
126988855.05762
Area
1.2832797793197E+15
Volume
3.4581659233296E+22
Surface area
5.1331191172788E+15
Circumference
126988855.05762
Perimeter
80843616
Area
408480640497216
Diagonal
28582534.544621
Surface area
2450883842983296
Volume
8.2557630109477E+21
Space diagonal
35006312.594897
Perimeter
60632712
Area
1.7687730581236E+14
Altitude
17503156.297449
Surface area
1.7687730581236E+14
Volume
9.7295100148504E+20
Height
9527511.5148735