20231021 is an odd 8-digits composite number following 20231020
and preceding 20231022 . In scientific notation, it is written as 2.0231021 × 10^7.
The sum of its digits is 11. It has a total of 2 prime factors and 4 positive divisors.
There are 20220732 positive integers (up to 20231021) that are relatively prime to 20231021.
20231021 has 4 divisors, whose sum is 20241312
The reverse of 20231021 is 12013202
Previous prime number is 2647
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 11
Digital Root 2
Name
twenty million two hundred thirty-one thousand twenty-one
Scientific notation
2.0231021 × 10^7
Engineering notation
2.0231021 × 10^6
Prime Factorization
2647 × 7643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20231021
Product of the distinct prime numbers
The prime factorization of 20231021 is 2647 × 7643.
Since it has a total of 2 prime factors.
4 , 5 , 49 , 41 , 910 , 835 , 4275 , 4071 , 69518 , 98117 , 182177 , 276053 , 5786717 , 6219286 , 73395940 , 77188851 , 654250220 , 57566706 , 4293798413 , 3168654372
n×2
40462042
n×3
60693063
n×4
80924084
n×5
101155105
n÷2
10115510.5
n÷3
6743673.6666667
n÷3
5057755.25
n÷5
4046204.2
n2
409294210702441
n3
8.2804397718995E+21
n4
1.6752175091453E+29
n5
3.3891360607087E+36
2 √n
4497.8907278857
3 √n
272.48290889637
4 √n
67.066315896176
5 √n
28.920351038974
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20231020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20231021 can be divided by 4 positive divisors.
The sum of these divisors (counting 20231021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001011001101101101
3
Ternary
1102001211202002
4
Quaternary
1031023031231
5
Quinary
20134343041
6
Senary
2001342045
8
Octal
115131555
10
Decimal
20231021
12
Duodecimal
6937925
16
Hexadecimal
134b36d
20
Vigesimal
668hb1
36
Base36
c1mct
md5
af62ed3ae2b36a11b0e8f501867a4e83
sha1
d964aa093d91bdb98bfff1d9ddb39f5deebff976
sha256
61dbdf3a7827bbfccef85bfb68784a37b6861e4c9faa0bdcf2e4035c07a98ad8
sha512
4a2735e2dada41baf768559dca994854b88a5cee47086c08c84f21b264ca745fd45d0948207861bc6950933ca4dae5af6a6b67c1177bca6d15d430f18a788a72
ripemd-160
78f59f120b63039be2695d3bb5af35ad761e288f
Diameter
40462042
Circumference
127115253.89644
Area
1.2858356854996E+15
Volume
3.4685025007856E+22
Surface area
5.1433427419985E+15
Circumference
127115253.89644
Perimeter
80924084
Area
409294210702441
Diagonal
28610984.278855
Surface area
2455765264214646
Volume
8.2804397718995E+21
Space diagonal
35041156.260993
Perimeter
60693063
Area
1.7722959204511E+14
Altitude
17520578.130496
Surface area
1.7722959204511E+14
Volume
9.7585918565282E+20
Height
9536994.7596183