2021305 is an odd 7-digits composite number following 2021304
and preceding 2021306 . In scientific notation, it is written as 2.021305 × 10^6.
The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors.
There are 1351680 positive integers (up to 2021305) that are relatively prime to 2021305.
2021305 has 8 divisors, whose sum is 2188872
The reverse of 2021305 is 5031202
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 13
Digital Root 4
Name
two million twenty-one thousand three hundred five
Scientific notation
2.021305 × 10^6
Engineering notation
2.021305 × 10^6
Prime Factorization
605 × 13 × 257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2021305
Product of the distinct prime numbers
The prime factorization of 2021305 is 605 × 13 × 257.
Since it has a total of 3 prime factors.
7 , 1 , 37 , 27 , 738 , 675 , 1722 , 3145 , 75786 , 49905 , 380582 , 225249 , 1355468 , 5316335 , 65056276 , 62772316 , 286775235 , 475485357 , 7936116213 , 6143615652
n×2
4042610
n×3
6063915
n×4
8085220
n×5
10106525
n÷2
1010652.5
n÷3
673768.33333333
n÷3
505326.25
n÷5
404261
n2
4085673903025
n3
8258393088553947625
n4
1.669273124186E+25
n5
3.3741101122827E+31
2 √n
1421.7260636283
3 √n
126.43790272952
4 √n
37.705782893719
5 √n
18.244264927208
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2021304
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2021305 can be divided by 8 positive divisors.
The sum of these divisors (counting 2021305) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101011110111001
3
Ternary
10210200201011
4
Quaternary
13231132321
5
Quinary
1004140210
6
Senary
111153521
8
Octal
7553671
10
Decimal
2021305
12
Duodecimal
8158a1
16
Hexadecimal
1ed7b9
20
Vigesimal
ccd55
36
Base36
17bnd
md5
e05b0e45dfc5f8a78fc863041cacf104
sha1
8a119cce1bc747840e1519f85b17825c22fc8571
sha256
8e07f69cddb015d432f7af7105afb397499db7c162424c8cc571ab2428643440
sha512
13a0b8d3fd4dadd52aa3b4267e3da0c8cc3ec8f98698c733e1bf287d79adeaca85adc5d1e332f1b54f65634e2a41b2db1fc1e86131f977ed4a823e85abebe283
ripemd-160
953497b2713d3449cd5488c1a7908b9e0f97109c
Diameter
4042610
Circumference
12700233.877329
Area
12835523118707
Volume
3.459267607661E+19
Surface area
51342092474828
Circumference
12700233.877329
Perimeter
8085220
Area
4085673903025
Diagonal
2858556.9446925
Surface area
24514043418150
Volume
8258393088553947625
Space diagonal
3501002.957593
Perimeter
6063915
Area
1769148695799.4
Altitude
1750501.4787965
Surface area
1769148695799.4
Volume
9.7326095910344E+17
Height
952852.31489752