2021981609 is an odd 10-digits composite number following 2021981608
and preceding 2021981610 . In scientific notation, it is written as 2.021981609 × 10^9.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 2014293204 positive integers (up to 2021981609) that are relatively prime to 2021981609.
2021981609 has 4 divisors, whose sum is 2029670016
The reverse of 2021981609 is 9061891202
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 38
Digital Root 2
Name
two billion twenty-one million nine hundred eighty-one thousand six hundred nine
Scientific notation
2.021981609 × 10^9
Engineering notation
2.021981609 × 10^9
Prime Factorization
263 × 7688143
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2021981609
Product of the distinct prime numbers
The prime factorization of 2021981609 is 263 × 7688143.
Since it has a total of 2 prime factors.
4 , 8 , 57 , 85 , 566 , 309 , 9268 , 3879 , 28012 , 44708 , 988226 , 703012 , 7537900 , 5691172 , 56069613 , 61049169 , 537712815 , 357560333 , 8813732632 , 5671841817
n×2
4043963218
n×3
6065944827
n×4
8087926436
n×5
10109908045
n÷2
1010990804.5
n÷3
673993869.66667
n÷3
505495402.25
n÷5
404396321.8
n2
4088409627134228881
n3
8.266689076124E+27
n4
1.6715093279244E+37
n5
3.3797611203351E+46
2 √n
44966.44981539
3 √n
1264.5200904189
4 √n
212.05294106753
5 √n
72.636588768963
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
-2021981608
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 2021981609 can be divided by 4 positive divisors.
The sum of these divisors (counting 2021981609) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000100001001111110110101001
3
Ternary
12012220201022022202
4
Quaternary
1320201033312221
5
Quinary
13120111402414
6
Senary
532350025545
8
Octal
17041176651
10
Decimal
2021981609
12
Duodecimal
4851a82b5
16
Hexadecimal
7884fda9
20
Vigesimal
1bbh7e09
36
Base36
xfu2zt
md5
4800ec54307c6147934fec5a95d1f410
sha1
a41a3897f4b208fc1eec29936b65e8ff250180e7
sha256
21ab45dde72e2b24841129c7c7505af291334acd1c1203cc8bc57f412ba31baf
sha512
b0d5a4604f01d4bf1122708f9a09040af0b3adf6dc421244a84290593378e35640aeaff513c7334bc420196a73f8c912770234a29ae5ed760eab9dee519e5904
ripemd-160
b3d3a68a81fd9870493e320eac86197f7cc44297
Diameter
4043963218
Circumference
12704485137.056
Area
1.2844117649471E+19
Volume
3.4627426228083E+28
Surface area
5.1376470597883E+19
Circumference
12704485137.056
Perimeter
8087926436
Area
4088409627134228881
Diagonal
2859513814.3168
Surface area
2.4530457762805E+19
Volume
8.266689076124E+27
Space diagonal
3502174878.7579
Perimeter
6065944827
Area
1.7703332990876E+18
Altitude
1751087439.3789
Surface area
1.7703332990876E+18
Volume
9.7423865061467E+26
Height
953171271.43892