2021392986 is an even 10-digits composite number following 2021392985
and preceding 2021392987 . In scientific notation, it is written as 2.021392986 × 10^9.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 673797660 positive integers (up to 2021392986) that are relatively prime to 2021392986.
2021392986 has 8 divisors, whose sum is 4042785984
The reverse of 2021392986 is 6892931202
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 42
Digital Root 6
Name
two billion twenty-one million three hundred ninety-two thousand nine hundred eighty-six
Scientific notation
2.021392986 × 10^9
Engineering notation
2.021392986 × 10^9
Prime Factorization
2 × 3 × 336898831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2021392986
Product of the distinct prime numbers
The prime factorization of 2021392986 is 2 × 3 × 336898831.
Since it has a total of 3 prime factors.
3 , 4 , 66 , 12 , 281 , 302 , 6217 , 4900 , 26864 , 17034 , 97401 , 720609 , 4173331 , 7206982 , 17164054 , 83220119 , 825471185 , 657559540 , 8996478985 , 6954371962
n×2
4042785972
n×3
6064178958
n×4
8085571944
n×5
10106964930
n÷2
1010696493
n÷3
673797662
n÷3
505348246.5
n÷5
404278597.2
n2
4086029603849996196
n3
8.2594715818107E+27
n4
1.6695637923539E+37
n5
3.3748445395436E+46
2 √n
44959.904203635
3 √n
1264.3973728754
4 √n
212.03750659644
5 √n
72.632359200689
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
-2021392985
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 2021392986 can be divided by 8 positive divisors.
The sum of these divisors (counting 2021392986) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000011111000000001001011010
3
Ternary
12012212121101212220
4
Quaternary
1320133000021122
5
Quinary
13114434033421
6
Senary
532325244510
8
Octal
17037001132
10
Decimal
2021392986
12
Duodecimal
484b63736
16
Hexadecimal
787c025a
20
Vigesimal
1bbde296
36
Base36
xfhgt6
md5
cca67fb1029eff344742d1e328ce66f3
sha1
ae4ee31834a11ff39f8fab9b0da6c3180044391e
sha256
8dba151e46a47a365bf5d32576f246791978e61432f921e5ee7c78e188815c30
sha512
3b672e2ac595ffd74e4d029be16fd259eb640d8556fa18eed6549583b240427cfacf4ea104b965f6f86e480f7017bd62d722a78f335f618c5cf4763bd76057ae
ripemd-160
55b282065e669ae957ff753853bf5670db292ace
Diameter
4042785972
Circumference
12700786709.671
Area
1.2836640585806E+19
Volume
3.45971936586E+28
Surface area
5.1346562343222E+19
Circumference
12700786709.671
Perimeter
8085571944
Area
4086029603849996196
Diagonal
2858681375.687
Surface area
2.45161776231E+19
Volume
8.2594715818107E+27
Space diagonal
3501155353.8154
Perimeter
6064178958
Area
1.7693027187747E+18
Altitude
1750577676.9077
Surface area
1.7693027187747E+18
Volume
9.7338806075266E+26
Height
952893791.89568