20998711 is an odd 8-digits composite number following 20998710
and preceding 20998712 . In scientific notation, it is written as 2.0998711 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20970000 positive integers (up to 20998711) that are relatively prime to 20998711.
20998711 has 4 divisors, whose sum is 21027424
The reverse of 20998711 is 11789902
Previous prime number is 751
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred ninety-eight thousand seven hundred eleven
Scientific notation
2.0998711 × 10^7
Engineering notation
2.0998711 × 10^6
Prime Factorization
751 × 27961
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20998711
Product of the distinct prime numbers
The prime factorization of 20998711 is 751 × 27961.
Since it has a total of 2 prime factors.
3 , 1 , 13 , 98 , 138 , 513 , 1106 , 629 , 144 , 39627 , 808181 , 880739 , 3503147 , 8780882 , 50799077 , 3047539 , 559980380 , 936327599 , 7837416960 , 3612040668
n×2
41997422
n×3
62996133
n×4
83994844
n×5
104993555
n÷2
10499355.5
n÷3
6999570.3333333
n÷3
5249677.75
n÷5
4199742.2
n2
440945863661521
n3
9.2592947576737E+21
n4
1.944332546802E+29
n5
4.082847723819E+36
2 √n
4582.4350513673
3 √n
275.88677267616
4 √n
67.693685461551
5 √n
29.136576886421
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
-20998710
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 20998711 can be divided by 4 positive divisors.
The sum of these divisors (counting 20998711) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000110101000110111
3
Ternary
1110111211211001
4
Quaternary
1100012220313
5
Quinary
20333424321
6
Senary
2030024131
8
Octal
120065067
10
Decimal
20998711
12
Duodecimal
7048047
16
Hexadecimal
1406a37
20
Vigesimal
6b4gfb
36
Base36
ci2pj
md5
66d8d98340b380cb2994e0a0179ed7bc
sha1
4e030c3e793a807926a555bed1d8e98d56bbceb3
sha256
b89261b3e751fc82d8478877c9cfddb0c6dbd773eb2a9c25cf8e2665459b81c9
sha512
d3cddb3af85cec46097c11a95ff5e35f05254473479dbce01da3dd908d1124ce2d18f8f84d87e35338896e7bf5650db5a8c2035611a099c29a64f67e0b00d240
ripemd-160
cc0c56b40c30d1de5215d86eab5d45033b5716aa
Diameter
41997422
Circumference
131938792.42491
Area
1.3852722859098E+15
Volume
3.8785243184173E+22
Surface area
5.5410891436394E+15
Circumference
131938792.42491
Perimeter
83994844
Area
440945863661521
Diagonal
29696661.888553
Surface area
2645675181969126
Volume
9.2592947576737E+21
Space diagonal
36370834.345455
Perimeter
62996133
Area
1.9093515981227E+14
Altitude
18185417.172728
Surface area
1.9093515981227E+14
Volume
1.091218352026E+21
Height
9898887.2961844