2021938 is an even 7-digits composite number following 2021937
and preceding 2021939 . In scientific notation, it is written as 2.021938 × 10^6.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 960400 positive integers (up to 2021938) that are relatively prime to 2021938.
2021938 has 16 divisors, whose sum is 3188160
The reverse of 2021938 is 8391202
Previous prime number is 71
Is Prime? no
Number parity even
Number length 7
Sum of Digits 25
Digital Root 7
Name
two million twenty-one thousand nine hundred thirty-eight
Scientific notation
2.021938 × 10^6
Engineering notation
2.021938 × 10^6
Prime Factorization
2 × 29 × 71 × 491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2021938
Product of the distinct prime numbers
The prime factorization of 2021938 is 2 × 29 × 71 × 491.
Since it has a total of 4 prime factors.
5 , 3 , 23 , 11 , 514 , 108 , 182 , 8475 , 21763 , 72780 , 542815 , 779912 , 6431418 , 6955132 , 40853882 , 30437429 , 689319826 , 232361584 , 2080318310 , 4880798072
n×2
4043876
n×3
6065814
n×4
8087752
n×5
10109690
n÷2
1010969
n÷3
673979.33333333
n÷3
505484.5
n÷5
404387.6
n2
4088233275844
n3
8266154213293465672
n4
1.6713651317718E+25
n5
3.3793966718044E+31
2 √n
1421.948662927
3 √n
126.45109995263
4 √n
37.708734570747
5 √n
18.245407473566
1 , 2 , 29 , 58 , 71 , 142 , 491 , 982 , 2059 , 4118 , 14239 , 28478 , 34861 , 69722 , 1010969 , 2021938
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2021937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2021938 can be divided by 16 positive divisors.
The sum of these divisors (counting 2021938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101101000110010
3
Ternary
10210201120121
4
Quaternary
13231220302
5
Quinary
1004200223
6
Senary
111200454
8
Octal
7555062
10
Decimal
2021938
12
Duodecimal
81612a
16
Hexadecimal
1eda32
20
Vigesimal
ccegi
36
Base36
17c4y
md5
7fc84b9614a7c20b09f4db39a123e537
sha1
cb8bbee901c87896ed4c16a0c8d61dc615d9384e
sha256
fa4d3bb1e40aa3b82cd2efa3878b2605e782e939e90e6cc2e986cac8ced83248
sha512
bf1605c2173a4c91b4e3c4ab17710f3858151d0cda7f574f8eef58413a69ee3bb449803ac36cce9d1e8e0df9d7e83d2bb87ab1158078bc3dd81796aa9afaa66e
ripemd-160
c26323948a5416eb63ebdd8339e0eb6a19487770
Diameter
4043876
Circumference
12704211.133628
Area
12843563625553
Volume
3.4625185799897E+19
Surface area
51374254502211
Circumference
12704211.133628
Perimeter
8087752
Area
4088233275844
Diagonal
2859452.1418775
Surface area
24529399655064
Volume
8266154213293465672
Space diagonal
3502099.3457542
Perimeter
6065814
Area
1770256936738.9
Altitude
1751049.6728771
Surface area
1770256936738.9
Volume
9.7417561642559E+17
Height
953150.71395918