2021639081 is an odd 10-digits composite number following 2021639080
and preceding 2021639082 . In scientific notation, it is written as 2.021639081 × 10^9.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 1575302520 positive integers (up to 2021639081) that are relatively prime to 2021639081.
2021639081 has 8 divisors, whose sum is 2329540224
The reverse of 2021639081 is 1809361202
Previous prime number is 121
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 32
Digital Root 5
Name
two billion twenty-one million six hundred thirty-nine thousand eighty-one
Scientific notation
2.021639081 × 10^9
Engineering notation
2.021639081 × 10^9
Prime Factorization
7 × 121 × 2386823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2021639081
Product of the distinct prime numbers
The prime factorization of 2021639081 is 7 × 121 × 2386823.
Since it has a total of 3 prime factors.
5 , 10 , 13 , 34 , 460 , 471 , 1674 , 8825 , 35314 , 60910 , 247653 , 916522 , 9501445 , 5836493 , 45945321 , 23008562 , 383334237 , 654969190 , 1956051587 , 1126084130
n×2
4043278162
n×3
6064917243
n×4
8086556324
n×5
10108195405
n÷2
1010819540.5
n÷3
673879693.66667
n÷3
505409770.25
n÷5
404327816.2
n2
4087024573826524561
n3
8.2624886034551E+27
n4
1.6703769867062E+37
n5
3.3768993963282E+46
2 √n
44962.640947791
3 √n
1264.4486822525
4 √n
212.04395994178
5 √n
72.634127643557
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
-2021639080
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 2021639081 can be divided by 8 positive divisors.
The sum of these divisors (counting 2021639081) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000011111111100001110101001
3
Ternary
12012220001220110112
4
Quaternary
1320133330032221
5
Quinary
13120014422311
6
Senary
532334424105
8
Octal
17037741651
10
Decimal
2021639081
12
Duodecimal
485062035
16
Hexadecimal
787fc3a9
20
Vigesimal
1bbf4he1
36
Base36
xfmqp5
md5
b06365819cbb677f3c8c99a2d598205b
sha1
885ad5f5e14b2c6a5986527f5a6c1ab72ae7047d
sha256
eae7a5a2456cf7c8987749d8919bbd12084589b53e5faf5f309f0b0ad8e69cb8
sha512
21974544c1dae31a3552529061657f64652a57286920bbb05f1329f3625429a0ec29bd32039a84a3ff31d30ddf371b550228c598055bd32604284c4cc68e11cf
ripemd-160
d9aa13673d2053add72612e20aa56af2a6e7c75b
Diameter
4043278162
Circumference
12702332970.159
Area
1.2839766376174E+19
Volume
3.4609831329312E+28
Surface area
5.1359065504697E+19
Circumference
12702332970.159
Perimeter
8086556324
Area
4087024573826524561
Diagonal
2859029406.5737
Surface area
2.4522147442959E+19
Volume
8.2624886034551E+27
Space diagonal
3501581602.8589
Perimeter
6064917243
Area
1.7697335534125E+18
Altitude
1750790801.4294
Surface area
1.7697335534125E+18
Volume
9.7374362016327E+26
Height
953009802.19123