21084889 is an odd 8-digits composite number following 21084888
and preceding 21084890 . In scientific notation, it is written as 2.1084889 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 16825104 positive integers (up to 21084889) that are relatively prime to 21084889.
21084889 has 8 divisors, whose sum is 21611520
The reverse of 21084889 is 98848012
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million eighty-four thousand eight hundred eighty-nine
Scientific notation
2.1084889 × 10^7
Engineering notation
2.1084889 × 10^6
Prime Factorization
133 × 59 × 2687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21084889
Product of the distinct prime numbers
The prime factorization of 21084889 is 133 × 59 × 2687.
Since it has a total of 3 prime factors.
3 , 1 , 89 , 23 , 401 , 771 , 5944 , 2313 , 78204 , 6542 , 394104 , 37744 , 4140842 , 2202143 , 48645490 , 71946902 , 279861543 , 450029744 , 619858010 , 5946629437
n×2
42169778
n×3
63254667
n×4
84339556
n×5
105424445
n÷2
10542444.5
n÷3
7028296.3333333
n÷3
5271222.25
n÷5
4216977.8
n2
444572544142321
n3
9.3737627456884E+21
n4
1.9764474700518E+29
n5
4.1673175520372E+36
2 √n
4591.8285028951
3 √n
276.26366755334
4 √n
67.763031978322
5 √n
29.160452829393
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
-21084888
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 21084889 can be divided by 8 positive divisors.
The sum of these divisors (counting 21084889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011011101011011001
3
Ternary
1110200020000211
4
Quaternary
1100123223121
5
Quinary
20344204024
6
Senary
2031531121
8
Octal
120335331
10
Decimal
21084889
12
Duodecimal
7089aa1
16
Hexadecimal
141bad9
20
Vigesimal
6bfc49
36
Base36
cjx7d
md5
c8273fc828e77db94e4587a8810fe3f7
sha1
5c1987eff1dd5a9621868807df494bab044ed541
sha256
566dd0d3f5bc993b8d99f6323bee9170abded0f956349561c058561d97d80f85
sha512
38fd4063d0bb60e98bf1477bfa7ee11c507f8dc6729f37dae4b59fd47a41ad94002712d708bf7307b24aa873debc578096019b71391989031729cae214c865df
ripemd-160
527437d3f943264fff60341af25eb31f924371b3
Diameter
42169778
Circumference
132480264.76831
Area
1.3966658386652E+15
Volume
3.9264725571131E+22
Surface area
5.586663354661E+15
Circumference
132480264.76831
Perimeter
84339556
Area
444572544142321
Diagonal
29818535.984931
Surface area
2667435264853926
Volume
9.3737627456884E+21
Space diagonal
36520099.01995
Perimeter
63254667
Area
1.9250555852616E+14
Altitude
18260049.509975
Surface area
1.9250555852616E+14
Volume
1.104708533785E+21
Height
9939511.9949771