2021965 is an odd 7-digits composite number following 2021964
and preceding 2021966 . In scientific notation, it is written as 2.021965 × 10^6.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 1451520 positive integers (up to 2021965) that are relatively prime to 2021965.
2021965 has 8 divisors, whose sum is 2435040
The reverse of 2021965 is 5691202
Previous prime number is 1067
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 25
Digital Root 7
Name
two million twenty-one thousand nine hundred sixty-five
Scientific notation
2.021965 × 10^6
Engineering notation
2.021965 × 10^6
Prime Factorization
5 × 1067 × 379
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2021965
Product of the distinct prime numbers
The prime factorization of 2021965 is 5 × 1067 × 379.
Since it has a total of 3 prime factors.
5 , 10 , 99 , 65 , 394 , 389 , 6281 , 5094 , 17374 , 8373 , 101831 , 724023 , 8310084 , 491272 , 82531329 , 61086725 , 322367388 , 862704339 , 3468885509 , 4260411310
n×2
4043930
n×3
6065895
n×4
8087860
n×5
10109825
n÷2
1010982.5
n÷3
673988.33333333
n÷3
505491.25
n÷5
404393
n2
4088342461225
n3
8266485364610807125
n4
1.6714544080255E+25
n5
3.3796223121233E+31
2 √n
1421.958156909
3 √n
126.45166280611
4 √n
37.708860456251
5 √n
18.245456201407
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
-2021964
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 2021965 can be divided by 8 positive divisors.
The sum of these divisors (counting 2021965) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101101001001101
3
Ternary
10210201121121
4
Quaternary
13231221031
5
Quinary
1004200330
6
Senary
111200541
8
Octal
7555115
10
Decimal
2021965
12
Duodecimal
816151
16
Hexadecimal
1eda4d
20
Vigesimal
ccei5
36
Base36
17c5p
md5
b1cb760e9206c9a9c2379e9f3d237698
sha1
bec69b1569d4e97e9ed8ec177b615c2462356611
sha256
5f9b10851a2b80b3ea34ba463a468d9d699b7256a45ff7f17616171844ba18e3
sha512
1c48ef7c2e470fc2da4ab72a2a90e1e49a140ec42d399472027f3a7d558d8533473eb18c924cd073b0985957b11cdf07a292f52679c417f2d2b6592a50e024a1
ripemd-160
bbabc1b7832a49c980ef14d3f500fa864fc34a1c
Diameter
4043930
Circumference
12704380.779631
Area
12843906641544
Volume
3.4626572923292E+19
Surface area
51375626566175
Circumference
12704380.779631
Perimeter
8087860
Area
4088342461225
Diagonal
2859490.3256437
Surface area
24530054767350
Volume
8266485364610807125
Space diagonal
3502146.111126
Perimeter
6065895
Area
1770304215395.7
Altitude
1751073.055563
Surface area
1770304215395.7
Volume
9.7421464298261E+17
Height
953163.44188124