20002643 is an odd 8-digits composite number following 20002642
and preceding 20002644 . In scientific notation, it is written as 2.0002643 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 19992648 positive integers (up to 20002643) that are relatively prime to 20002643.
20002643 has 4 divisors, whose sum is 20012640
The reverse of 20002643 is 34620002
Previous prime number is 2767
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million two thousand six hundred forty-three
Scientific notation
2.0002643 × 10^7
Engineering notation
2.0002643 × 10^6
Prime Factorization
2767 × 7229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20002643
Product of the distinct prime numbers
The prime factorization of 20002643 is 2767 × 7229.
Since it has a total of 2 prime factors.
10 , 1 , 51 , 65 , 726 , 641 , 3131 , 6680 , 64575 , 61675 , 636110 , 766203 , 8199705 , 6714959 , 84881475 , 27385061 , 202384407 , 294777833 , 1171960818 , 5240483513
n×2
40005286
n×3
60007929
n×4
80010572
n×5
100013215
n÷2
10001321.5
n÷3
6667547.6666667
n÷3
5000660.75
n÷5
4000528.6
n2
400105726985449
n3
8.0031720191454E+21
n4
1.6008459276655E+29
n5
3.2021149589098E+36
2 √n
4472.431441621
3 √n
271.45371814242
4 √n
66.876239738946
5 √n
28.854760689006
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
-20002642
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 20002643 can be divided by 4 positive divisors.
The sum of these divisors (counting 20002643) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010011011101010011
3
Ternary
1101122020110122
4
Quaternary
1030103131103
5
Quinary
20110041033
6
Senary
1552420455
8
Octal
114233523
10
Decimal
20002643
12
Duodecimal
684772b
16
Hexadecimal
1313753
20
Vigesimal
6506c3
36
Base36
bwq4z
md5
cee44198676f21b3a0af6af8f855069f
sha1
518f174760444ecd7e9d391f22505a4bc04196e0
sha256
9325653ec7131ac0e5ed5bcb2abbf59c477dde7e7e4a33d1d012572537633fe3
sha512
6e7c1b282254fe45925cae5b3005dede46278a84a1b47d1ab46fc7ff3a283191cbb0a92b785cb6123d31f8e69b75f9ebde8df6e8d6efe3976c130268f8e31515
ripemd-160
4a46b022c9eb8f3cc1ad379898b64ad65b543d9b
Diameter
40005286
Circumference
125680312.60236
Area
1.2569692125567E+15
Volume
3.3523608561017E+22
Surface area
5.0278768502268E+15
Circumference
125680312.60236
Perimeter
80010572
Area
400105726985449
Diagonal
28288009.013907
Surface area
2400634361912694
Volume
8.0031720191454E+21
Space diagonal
34645593.961662
Perimeter
60007929
Area
1.7325086188452E+14
Altitude
17322796.980831
Surface area
1.7325086188452E+14
Volume
9.4318286762336E+20
Height
9429336.3379691