21000684 is an even 8-digits composite number following 21000683
and preceding 21000685 . In scientific notation, it is written as 2.1000684 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 6837264 positive integers (up to 21000684) that are relatively prime to 21000684.
21000684 has 24 divisors, whose sum is 50142400
The reverse of 21000684 is 48600012
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million six hundred eighty-four
Scientific notation
2.1000684 × 10^7
Engineering notation
2.1000684 × 10^6
Prime Factorization
2 × 2 × 3 × 43 × 40699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10500342
Product of the distinct prime numbers
The prime factorization of 21000684 is 2 × 2 × 3 × 43 × 40699.
Since it has a total of 5 prime factors.
8 , 6 , 86 , 27 , 894 , 300 , 8826 , 5738 , 92189 , 71302 , 490391 , 502528 , 3883781 , 9193443 , 92556451 , 43565722 , 259982556 , 555794518 , 3572669822 , 7026303662
n×2
42001368
n×3
63002052
n×4
84002736
n×5
105003420
n÷2
10500342
n÷3
7000228
n÷3
5250171
n÷5
4200136.8
n2
441028728467856
n3
9.2619049614752E+21
n4
1.9450633933397E+29
n5
4.0847661683496E+36
2 √n
4582.6503248666
3 √n
275.89541300898
4 √n
67.69527549886
5 √n
29.137124389606
1 , 2 , 3 , 4 , 6 , 12 , 43 , 86 , 129 , 172 , 258 , 516 , 40699 , 81398 , 122097 , 162796 , 244194 , 488388 , 1750057 , 3500114 , 5250171 , 7000228 , 10500342 , 21000684
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000683
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000684 can be divided by 24 positive divisors.
The sum of these divisors (counting 21000684) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000111000111101100
3
Ternary
1110111221112010
4
Quaternary
1100013013230
5
Quinary
20334010214
6
Senary
2030041220
8
Octal
120070754
10
Decimal
21000684
12
Duodecimal
7049210
16
Hexadecimal
14071ec
20
Vigesimal
6b51e4
36
Base36
ci48c
md5
9c4831614a242d35cf1cc35c1dec6f45
sha1
170687403b71a92ce254cbdf4ef045e0cc5ad499
sha256
5390ab2ac65b468300aa01aa36d9cc19e686a3c7b6b3a697dddc32950f89983c
sha512
53dc37e4abcb92d4ba0aa0b977c01dda20012201c6efa18f833ef3211d23468955e0a6f70c2ff5e129b51034bbd44546156b7706f82e45c9dae7a295f464c0fc
ripemd-160
153dde7838d5d6211c1dcebcc70f1b0be2acd653
Diameter
42001368
Circumference
131951189.14952
Area
1.3855326133767E+15
Volume
3.879617678029E+22
Surface area
5.5421304535067E+15
Circumference
131951189.14952
Perimeter
84002736
Area
441028728467856
Diagonal
29699452.131912
Surface area
2646172370807136
Volume
9.2619049614752E+21
Space diagonal
36374251.681699
Perimeter
63002052
Area
1.9097104132596E+14
Altitude
18187125.840849
Surface area
1.9097104132596E+14
Volume
1.0915259674941E+21
Height
9899817.3773039