2021743978 is an even 10-digits composite number following 2021743977
and preceding 2021743979 . In scientific notation, it is written as 2.021743978 × 10^9.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 1010525100 positive integers (up to 2021743978) that are relatively prime to 2021743978.
2021743978 has 8 divisors, whose sum is 3033656640
The reverse of 2021743978 is 8793471202
Previous prime number is 2939
Is Prime? no
Number parity even
Number length 10
Sum of Digits 43
Digital Root 7
Name
two billion twenty-one million seven hundred forty-three thousand nine hundred seventy-eight
Scientific notation
2.021743978 × 10^9
Engineering notation
2.021743978 × 10^9
Prime Factorization
2 × 2939 × 343951
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2021743978
Product of the distinct prime numbers
The prime factorization of 2021743978 is 2 × 2939 × 343951.
Since it has a total of 3 prime factors.
6 , 5 , 77 , 5 , 439 , 531 , 7776 , 459 , 17794 , 62675 , 474022 , 894413 , 5962076 , 2203764 , 10260811 , 20380665 , 872001504 , 518700483 , 2886408749 , 6264345779
n×2
4043487956
n×3
6065231934
n×4
8086975912
n×5
10108719890
n÷2
1010871989
n÷3
673914659.33333
n÷3
505435994.5
n÷5
404348795.6
n2
4087448712579264484
n3
8.263774820041E+27
n4
1.6707236977966E+37
n5
3.3777755749221E+46
2 √n
44963.807423304
3 √n
1264.4705514016
4 √n
212.04671047508
5 √n
72.63488138284
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
-2021743977
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 2021743978 can be divided by 8 positive divisors.
The sum of these divisors (counting 2021743978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000100000010101110101101010
3
Ternary
12012220021020100121
4
Quaternary
1320200111311222
5
Quinary
13120031301403
6
Senary
532340553454
8
Octal
17040256552
10
Decimal
2021743978
12
Duodecimal
4850b288a
16
Hexadecimal
78815d6a
20
Vigesimal
1bbfhjii
36
Base36
xfozmy
md5
7f7ed75ec6208e15cd4bf631fa3a8090
sha1
586db4381d9c024e470afac298be6e24b0a07925
sha256
4530ece960122ee083667eb580c4b207e49e67704ea2c308afe1066865ad109a
sha512
9f1b06d654495b87fc9efdabbcee533bbe7eab089feabde74d7c8a09112ebdc01d9e7d86a0ee21a1a43d40c8f78db4f96917c50241602b4f30d3628863c4590b
ripemd-160
0aa89b517c13f80c975198dd684fa857fc018a52
Diameter
4043487956
Circumference
12702992057.448
Area
1.2841098847364E+19
Volume
3.4615219020748E+28
Surface area
5.1364395389456E+19
Circumference
12702992057.448
Perimeter
8086975912
Area
4087448712579264484
Diagonal
2859177753.3337
Surface area
2.4524692275476E+19
Volume
8.263774820041E+27
Space diagonal
3501763289.7924
Perimeter
6065231934
Area
1.7699172108798E+18
Altitude
1750881644.8962
Surface area
1.7699172108798E+18
Volume
9.738952022416E+26
Height
953059251.11124