20999211 is an odd 8-digits composite number following 20999210
and preceding 20999212 . In scientific notation, it is written as 2.0999211 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13986792 positive integers (up to 20999211) that are relatively prime to 20999211.
20999211 has 8 divisors, whose sum is 28024320
The reverse of 20999211 is 11299902
Previous prime number is 1423
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred ninety-nine thousand two hundred eleven
Scientific notation
2.0999211 × 10^7
Engineering notation
2.0999211 × 10^6
Prime Factorization
3 × 1423 × 4919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20999211
Product of the distinct prime numbers
The prime factorization of 20999211 is 3 × 1423 × 4919.
Since it has a total of 3 prime factors.
1 , 4 , 99 , 34 , 90 , 433 , 8613 , 7013 , 5852 , 93865 , 566142 , 587598 , 7915039 , 5083137 , 50344402 , 22215641 , 384809278 , 294709649 , 138841989 , 1207895068
n×2
41998422
n×3
62997633
n×4
83996844
n×5
104996055
n÷2
10499605.5
n÷3
6999737
n÷3
5249802.75
n÷5
4199842.2
n2
440966862622521
n3
9.2599561922183E+21
n4
1.9445177393115E+29
n5
4.0833338301045E+36
2 √n
4582.4896071895
3 √n
275.88896237075
4 √n
67.694088421291
5 √n
29.13671563922
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
-20999210
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 20999211 can be divided by 8 positive divisors.
The sum of these divisors (counting 20999211) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000110110000101011
3
Ternary
1110111212111120
4
Quaternary
1100012300223
5
Quinary
20333433321
6
Senary
2030030323
8
Octal
120066053
10
Decimal
20999211
12
Duodecimal
70483a3
16
Hexadecimal
1406c2b
20
Vigesimal
6b4i0b
36
Base36
ci33f
md5
daf04443289550590ab30369100f3494
sha1
b17dd9b086d35da88bc8ab766be4b6e436f6e16e
sha256
967a47dc2d2ebedefbd7e86ea5858373c8525b71ed06b25dd6289bacc13445de
sha512
4788f25eb97f067fc71a3c6883d313d7c30cfb732a61bf7623a55eacf042b12012e735852ab5c168e5526fdb08f8e6314abdea1de4c3fc368768184b2de2b5a7
ripemd-160
82ecd04dfd389cf130b3489ac2cc3902484bc061
Diameter
41998422
Circumference
131941934.01756
Area
1.3853382560915E+15
Volume
3.8788013794715E+22
Surface area
5.5413530243658E+15
Circumference
131941934.01756
Perimeter
83996844
Area
440966862622521
Diagonal
29697368.995334
Surface area
2645801175735126
Volume
9.2599561922183E+21
Space diagonal
36371700.370859
Perimeter
62997633
Area
1.9094425262911E+14
Altitude
18185850.18543
Surface area
1.9094425262911E+14
Volume
1.0912963028347E+21
Height
9899122.9984448