2021665309 is an odd 10-digits composite number following 2021665308
and preceding 2021665310 . In scientific notation, it is written as 2.021665309 × 10^9.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 2016995904 positive integers (up to 2021665309) that are relatively prime to 2021665309.
2021665309 has 4 divisors, whose sum is 2026334716
The reverse of 2021665309 is 9035661202
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 34
Digital Root 7
Name
two billion twenty-one million six hundred sixty-five thousand three hundred nine
Scientific notation
2.021665309 × 10^9
Engineering notation
2.021665309 × 10^9
Prime Factorization
433 × 4668973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2021665309
Product of the distinct prime numbers
The prime factorization of 2021665309 is 433 × 4668973.
Since it has a total of 2 prime factors.
9 , 9 , 17 , 70 , 819 , 732 , 6484 , 6515 , 71051 , 9669 , 675274 , 266185 , 6519800 , 7761126 , 77145416 , 11517999 , 352319239 , 645405779 , 3238723715 , 2373844833
n×2
4043330618
n×3
6064995927
n×4
8086661236
n×5
10108326545
n÷2
1010832654.5
n÷3
673888436.33333
n÷3
505416327.25
n÷5
404333061.8
n2
4087130621614065481
n3
8.2628101910688E+27
n4
1.6704636718135E+37
n5
3.3771184552502E+46
2 √n
44962.932611208
3 √n
1264.4541503925
4 √n
212.04464768347
5 √n
72.634316108257
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2021665308
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2021665309 can be divided by 4 positive divisors.
The sum of these divisors (counting 2021665309) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000100000000010101000011101
3
Ternary
12012220010020102221
4
Quaternary
1320200002220131
5
Quinary
13120021242214
6
Senary
532335145341
8
Octal
17040025035
10
Decimal
2021665309
12
Duodecimal
485075251
16
Hexadecimal
78802a1d
20
Vigesimal
1bbf8359
36
Base36
xfnaxp
md5
890ea45bd9d65f80c74049a3c726d677
sha1
b3ba5f4f1b34ea719d19ced544bac5015d853221
sha256
26da04dd2cc5018d4a003a38d8c991ff436322047cea00ef49015bad040177a5
sha512
85361df44bfa71e26b763e1cea5a6b45ee53109e6fe683a44f8c17817adfc99d75990f866e88ede6e253f143f321117643d55d9efef03003ffe2d9ff5a422b35
ripemd-160
1d771045ae4c70e1dbfbb79218444c493a133f3b
Diameter
4043330618
Circumference
12702497765.543
Area
1.2840099535125E+19
Volume
3.4611178392358E+28
Surface area
5.1360398140499E+19
Circumference
12702497765.543
Perimeter
8086661236
Area
4087130621614065481
Diagonal
2859066498.567
Surface area
2.4522783729684E+19
Volume
8.2628101910688E+27
Space diagonal
3501627031.0874
Perimeter
6064995927
Area
1.7697794734515E+18
Altitude
1750813515.5437
Surface area
1.7697794734515E+18
Volume
9.7378151962701E+26
Height
953022166.189