2021913 is an odd 7-digits composite number following 2021912
and preceding 2021914 . In scientific notation, it is written as 2.021913 × 10^6.
The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors.
There are 1304280 positive integers (up to 2021913) that are relatively prime to 2021913.
2021913 has 12 divisors, whose sum is 3015168
The reverse of 2021913 is 3191202
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 18
Digital Root 9
Name
two million twenty-one thousand nine hundred thirteen
Scientific notation
2.021913 × 10^6
Engineering notation
2.021913 × 10^6
Prime Factorization
3 × 3 × 31 × 7247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
673971
Product of the distinct prime numbers
The prime factorization of 2021913 is 3 × 3 × 31 × 7247.
Since it has a total of 4 prime factors.
2 , 3 , 19 , 16 , 692 , 973 , 4363 , 8149 , 65156 , 52225 , 487145 , 161970 , 7066767 , 5556515 , 93712819 , 82021785 , 279345579 , 526502108 , 6624705391 , 3097169896
n×2
4043826
n×3
6065739
n×4
8087652
n×5
10109565
n÷2
1010956.5
n÷3
673971
n÷3
505478.25
n÷5
404382.6
n2
4088132179569
n3
8265847599588895497
n4
1.6712824717628E+25
n5
3.3791877563293E+31
2 √n
1421.9398721465
3 √n
126.45057878754
4 √n
37.708618008971
5 √n
18.24536235473
1 , 3 , 9 , 31 , 93 , 279 , 7247 , 21741 , 65223 , 224657 , 673971 , 2021913
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
-2021912
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 2021913 can be divided by 12 positive divisors.
The sum of these divisors (counting 2021913) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101101000011001
3
Ternary
10210201112200
4
Quaternary
13231220121
5
Quinary
1004200123
6
Senary
111200413
8
Octal
7555031
10
Decimal
2021913
12
Duodecimal
816109
16
Hexadecimal
1eda19
20
Vigesimal
ccefd
36
Base36
17c49
md5
fff0aefe7d1268a681da4d71940fb853
sha1
4b9ef33b115c0fc46d7842bb6f9f763349c3f670
sha256
e02fadd9ddcc33edfd5f32bf6465ff0997eb97ab1f04ca192f63a6f698c6b781
sha512
4fcd5d3062380b90c74a86d1de9bd8de896fbd65b9a352a7bdb7f9965a0ee09c57bfcca453d0813c8e604cb3a4a9b3a40e1d925fa1b6ffe8ecf17b91921ab498
ripemd-160
b4551b8dee7e9e49551da141886ae39ff7a696ba
Diameter
4043826
Circumference
12704054.053995
Area
12843246022238
Volume
3.4623901459415E+19
Surface area
51372984088952
Circumference
12704054.053995
Perimeter
8087652
Area
4088132179569
Diagonal
2859416.7865385
Surface area
24528793077414
Volume
8265847599588895497
Space diagonal
3502056.044484
Perimeter
6065739
Area
1770213160767.7
Altitude
1751028.022242
Surface area
1770213160767.7
Volume
9.7413948165398E+17
Height
953138.92884616