21084885 is an odd 8-digits composite number following 21084884
and preceding 21084886 . In scientific notation, it is written as 2.1084885 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 10684800 positive integers (up to 21084885) that are relatively prime to 21084885.
21084885 has 32 divisors, whose sum is 31518720
The reverse of 21084885 is 58848012
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million eighty-four thousand eight hundred eighty-five
Scientific notation
2.1084885 × 10^7
Engineering notation
2.1084885 × 10^6
Prime Factorization
3 × 15 × 29 × 151 × 107
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21084885
Product of the distinct prime numbers
The prime factorization of 21084885 is 3 × 15 × 29 × 151 × 107.
Since it has a total of 5 prime factors.
4 , 1 , 56 , 4 , 929 , 691 , 7111 , 5900 , 73159 , 5243 , 243131 , 63395 , 9068410 , 2563732 , 58819425 , 52574848 , 840901793 , 531326308 , 5714961455 , 5412637585
n×2
42169770
n×3
63254655
n×4
84339540
n×5
105424425
n÷2
10542442.5
n÷3
7028295
n÷3
5271221.25
n÷5
4216977
n2
444572375463225
n3
9.3737574108189E+21
n4
1.9764459702501E+29
n5
4.1673135991438E+36
2 √n
4591.8280673388
3 √n
276.26365008341
4 √n
67.763028764502
5 √n
29.160451722991
1 , 3 , 15 , 29 , 45 , 87 , 107 , 151 , 321 , 435 , 453 , 1305 , 1605 , 2265 , 3103 , 4379 , 4815 , 6795 , 9309 , 13137 , 16157 , 46545 , 48471 , 65685 , 139635 , 197055 , 242355 , 468553 , 727065 , 1405659 , 7028295 , 21084885
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21084884
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21084885 can be divided by 32 positive divisors.
The sum of these divisors (counting 21084885) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000011011101011010101
3
Ternary
1110200020000200
4
Quaternary
1100123223111
5
Quinary
20344204020
6
Senary
2031531113
8
Octal
120335325
10
Decimal
21084885
12
Duodecimal
7089a99
16
Hexadecimal
141bad5
20
Vigesimal
6bfc45
36
Base36
cjx79
md5
85acbb29d1ae35dca64be5913ebd4787
sha1
2f19f1f91177504fcc9d29f9be058e9fed0a461e
sha256
113d25b9fddcf28a4bc4549e287a729743eaed14f7c511f6494d7e30a9fb25b4
sha512
2d3657ecdc7532054c569ee20d5bda3c33b142e3aa93863b5ec742af76c5dc6d4cb32f827280ee788564617cf793d760b641d611aab81c6e949a1d8fd3e484d4
ripemd-160
89aa558968eec221d9b6cc0df105bd5e411e8da6
Diameter
42169770
Circumference
132480239.63557
Area
1.3966653087442E+15
Volume
3.9264703224482E+22
Surface area
5.5866612349769E+15
Circumference
132480239.63557
Perimeter
84339540
Area
444572375463225
Diagonal
29818530.328077
Surface area
2667434252779350
Volume
9.3737574108189E+21
Space diagonal
36520092.091747
Perimeter
63254655
Area
1.9250548548597E+14
Altitude
18260046.045873
Surface area
1.9250548548597E+14
Volume
1.1047079050646E+21
Height
9939510.109359