20209021 is an odd 8-digits composite number following 20209020
and preceding 20209022 . In scientific notation, it is written as 2.0209021 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 12 positive divisors.
There are 17236800 positive integers (up to 20209021) that are relatively prime to 20209021.
20209021 has 12 divisors, whose sum is 23624220
The reverse of 20209021 is 12090202
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million two hundred nine thousand twenty-one
Scientific notation
2.0209021 × 10^7
Engineering notation
2.0209021 × 10^6
Prime Factorization
7 × 7 × 229 × 1801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2887003
Product of the distinct prime numbers
The prime factorization of 20209021 is 7 × 7 × 229 × 1801.
Since it has a total of 4 prime factors.
4 , 3 , 4 , 33 , 419 , 405 , 213 , 8323 , 6194 , 10179 , 547999 , 262361 , 9147191 , 1568984 , 89880698 , 51478526 , 258759649 , 610385406 , 1766628806 , 1855258511
n×2
40418042
n×3
60627063
n×4
80836084
n×5
101045105
n÷2
10104510.5
n÷3
6736340.3333333
n÷3
5052255.25
n÷5
4041804.2
n2
408404529778441
n3
8.2534557187876E+21
n4
1.6679425994355E+29
n5
3.3707487018787E+36
2 √n
4495.4444719071
3 √n
272.38410356439
4 √n
67.048075825538
5 √n
28.914058478101
1 , 7 , 49 , 229 , 1603 , 1801 , 11221 , 12607 , 88249 , 412429 , 2887003 , 20209021
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
-20209020
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 20209021 can be divided by 12 positive divisors.
The sum of these divisors (counting 20209021) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000101110101111101
3
Ternary
1102000201120021
4
Quaternary
1031011311331
5
Quinary
20133142041
6
Senary
2001052141
8
Octal
115056575
10
Decimal
20209021
12
Duodecimal
6927051
16
Hexadecimal
1345d7d
20
Vigesimal
6662b1
36
Base36
c15dp
md5
1385a9da563d16f80b0ec57eff877f1d
sha1
2541826eb196cb79bae53b3aa20c1bfc8f047452
sha256
2b1ab9c2037361ddc462a1fcacb5b38627c3924d9c12d403b4480ffbae6fbb5e
sha512
49ba22db4fcb62bf628d6d028456fc4a37a0f8b64e794e3f09ac3786f7e0f4ee1a9c3b8e1a5467fa9ba81bb48df426edb9c64d7b8ad9c7889051f628298889ed
ripemd-160
8717e20c2912a0101ba8c584a42373d7356fd51e
Diameter
40418042
Circumference
126977023.81968
Area
1.2830406704447E+15
Volume
3.4571994470496E+22
Surface area
5.132162681779E+15
Circumference
126977023.81968
Perimeter
80836084
Area
408404529778441
Diagonal
28579871.580483
Surface area
2450427178670646
Volume
8.2534557187876E+21
Space diagonal
35003051.143226
Perimeter
60627063
Area
1.7684434890438E+14
Altitude
17501525.571613
Surface area
1.7684434890438E+14
Volume
9.7267908449627E+20
Height
9526623.8601609