21000718 is an even 8-digits composite number following 21000717
and preceding 21000719 . In scientific notation, it is written as 2.1000718 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 10500358 positive integers (up to 21000718) that are relatively prime to 21000718.
21000718 has 4 divisors, whose sum is 31501080
The reverse of 21000718 is 81700012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million seven hundred eighteen
Scientific notation
2.1000718 × 10^7
Engineering notation
2.1000718 × 10^6
Prime Factorization
2 × 10500359
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21000718
Product of the distinct prime numbers
The prime factorization of 21000718 is 2 × 10500359.
Since it has a total of 2 prime factors.
2 , 8 , 81 , 69 , 253 , 649 , 9060 , 5271 , 65854 , 1784 , 450060 , 894655 , 9437479 , 6945816 , 62173143 , 40884454 , 660910249 , 570664532 , 3259661962 , 7984790642
n×2
42001436
n×3
63002154
n×4
84002872
n×5
105003590
n÷2
10500359
n÷3
7000239.3333333
n÷3
5250179.5
n÷5
4200143.6
n2
441030156515524
n3
9.2619499464784E+21
n4
1.9450759895611E+29
n5
4.0847992345343E+36
2 √n
4582.6540345088
3 √n
275.89556189999
4 √n
67.69530289842
5 √n
29.137133824171
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
-21000717
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 21000718 can be divided by 4 positive divisors.
The sum of these divisors (counting 21000718) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000111001000001110
3
Ternary
1110111221120101
4
Quaternary
1100013020032
5
Quinary
20334010333
6
Senary
2030041314
8
Octal
120071016
10
Decimal
21000718
12
Duodecimal
704923a
16
Hexadecimal
140720e
20
Vigesimal
6b51fi
36
Base36
ci49a
md5
c5543770f8191e8921ca89947f353cae
sha1
8dfc46d2731785735a9aeb49479a064055ba011a
sha256
f30aa01227452683303c69268be474403bf8c7049347cea3776f018333d543cc
sha512
56ce3a7f4a02e4331a68de58c5e674092372599306d3d9643dcf0baac5c1af676430e13097a446c1730c182d0cad11bfa82fe592120d00357027c53242536e6f
ripemd-160
7e543a2409a7d4f69ce3201bdf0898c8501f50f8
Diameter
42001436
Circumference
131951402.77782
Area
1.3855370997207E+15
Volume
3.879636521303E+22
Surface area
5.5421483988829E+15
Circumference
131951402.77782
Perimeter
84002872
Area
441030156515524
Diagonal
29699500.215173
Surface area
2646180939093144
Volume
9.2619499464784E+21
Space diagonal
36374310.571426
Perimeter
63002154
Area
1.9097165968874E+14
Altitude
18187155.285713
Surface area
1.9097165968874E+14
Volume
1.0915312690275E+21
Height
9899833.4050576