21084788 is an even 8-digits composite number following 21084787
and preceding 21084789 . In scientific notation, it is written as 2.1084788 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 10512312 positive integers (up to 21084788) that are relatively prime to 21084788.
21084788 has 12 divisors, whose sum is 37003680
The reverse of 21084788 is 88748012
Previous prime number is 359
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million eighty-four thousand seven hundred eighty-eight
Scientific notation
2.1084788 × 10^7
Engineering notation
2.1084788 × 10^6
Prime Factorization
2 × 2 × 359 × 14683
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10542394
Product of the distinct prime numbers
The prime factorization of 21084788 is 2 × 2 × 359 × 14683.
Since it has a total of 4 prime factors.
10 , 9 , 28 , 78 , 536 , 442 , 6388 , 3304 , 15513 , 2375 , 539466 , 532131 , 7044044 , 8070480 , 15840403 , 14899472 , 75798028 , 675212068 , 546329383 , 4585077286
n×2
42169576
n×3
63254364
n×4
84339152
n×5
105423940
n÷2
10542394
n÷3
7028262.6666667
n÷3
5271197
n÷5
4216957.6
n2
444568285004944
n3
9.3736280408528E+21
n4
1.9764096003224E+29
n5
4.1672177423962E+36
2 √n
4591.8175050845
3 √n
276.26322643688
4 √n
67.762950829229
5 √n
29.160424892691
1 , 2 , 4 , 359 , 718 , 1436 , 14683 , 29366 , 58732 , 5271197 , 10542394 , 21084788
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21084787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21084788 can be divided by 12 positive divisors.
The sum of these divisors (counting 21084788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011011101001110100
3
Ternary
1110200012220002
4
Quaternary
1100123221310
5
Quinary
20344203123
6
Senary
2031530432
8
Octal
120335164
10
Decimal
21084788
12
Duodecimal
7089a18
16
Hexadecimal
141ba74
20
Vigesimal
6bfbj8
36
Base36
cjx4k
md5
377e3c652f3f485c34dcca642db92083
sha1
4ab953e87112e58800a24c34b9a02959d02e89c3
sha256
5ceb9c929a3a6e08cfe7daade420541cbda530fd7f063eff834b72c2df26f96c
sha512
3e97d49581be68d3bc7be597577757cfb2c8a0488ddca9be050b3ba4acdd7ef364ede0756ffd9f7742c62a73d1ee921ce935a228fea282ce25312ba5d889ff52
ripemd-160
048cd85734b2b6c4f906afb525b758509e9d9fa2
Diameter
42169576
Circumference
132479630.1666
Area
1.3966524581905E+15
Volume
3.9264161320835E+22
Surface area
5.5866098327622E+15
Circumference
132479630.1666
Perimeter
84339152
Area
444568285004944
Diagonal
29818393.149361
Surface area
2667409710029664
Volume
9.3736280408528E+21
Space diagonal
36519924.082819
Perimeter
63254364
Area
1.9250371426558E+14
Altitude
18259962.041409
Surface area
1.9250371426558E+14
Volume
1.1046926586679E+21
Height
9939464.3831205