21084839 is an odd 8-digits prime number following 21084838
and preceding 21084840 . In scientific notation, it is written as 2.1084839 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 21084838 positive integers (up to 21084839) that are relatively prime to 21084839.
21084839 has 2 divisors, whose sum is 21084840
The reverse of 21084839 is 93848012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million eighty-four thousand eight hundred thirty-nine
Scientific notation
2.1084839 × 10^7
Engineering notation
2.1084839 × 10^6
Prime Factorization
21084839
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21084839
Product of the distinct prime numbers
The prime factorization of 21084839 is 21084839.
Since it has a total of 1 prime factors.
6 , 3 , 92 , 29 , 41 , 106 , 9378 , 9995 , 70897 , 59299 , 70322 , 913850 , 1458663 , 4424569 , 25051347 , 19863427 , 779002431 , 876676337 , 2806513192 , 4482860935
n×2
42169678
n×3
63254517
n×4
84339356
n×5
105424195
n÷2
10542419.5
n÷3
7028279.6666667
n÷3
5271209.75
n÷5
4216967.8
n2
444570435655921
n3
9.373696059965E+21
n4
1.976428722593E+29
n5
4.1672681410848E+36
2 √n
4591.8230584377
3 √n
276.26344917903
4 √n
67.76299180554
5 √n
29.160438999356
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21084840
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10542420
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4591.8231673269
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999051451
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21084839 can be divided by 2 positive divisors.
The sum of these divisors (counting 21084839) is 21084840, the average is 10542420.
Base
System
Value
2
Binary
1010000011011101010100111
3
Ternary
1110200012221222
4
Quaternary
1100123222213
5
Quinary
20344203324
6
Senary
2031530555
8
Octal
120335247
10
Decimal
21084839
12
Duodecimal
7089a5b
16
Hexadecimal
141baa7
20
Vigesimal
6bfc1j
36
Base36
cjx5z
md5
4cd6f7e3257afb4dc041fe5992f92b5e
sha1
a997d1c81b5b2817b411072ba7f3e0def64a172f
sha256
9e6e19bc0063d9bd06801516f98704789ff85444880453944688d51e646e06dd
sha512
11cd75221a1bfbbe7e9b23dd67775def84e8435ff8291e6dea66dac64a899cb23550d4b7fc648bd96313c3660772920d7ad821695de9df822b26bacc721402cd
ripemd-160
e6fc9107d6b3604e30f490b356e5eacb3e1b5328
Diameter
42169678
Circumference
132479950.60905
Area
1.3966592146599E+15
Volume
3.9264446238626E+22
Surface area
5.5866368586394E+15
Circumference
132479950.60905
Perimeter
84339356
Area
444570435655921
Diagonal
29818465.274253
Surface area
2667422613935526
Volume
9.373696059965E+21
Space diagonal
36520012.41741
Perimeter
63254517
Area
1.9250464552477E+14
Altitude
18260006.208705
Surface area
1.9250464552477E+14
Volume
1.1047006747971E+21
Height
9939488.4247511