21000775 is an odd 8-digits composite number following 21000774
and preceding 21000776 . In scientific notation, it is written as 2.1000775 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors.
There are 16118400 positive integers (up to 21000775) that are relatively prime to 21000775.
21000775 has 24 divisors, whose sum is 27123264
The reverse of 21000775 is 57700012
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million seven hundred seventy-five
Scientific notation
2.1000775 × 10^7
Engineering notation
2.1000775 × 10^6
Prime Factorization
5 × 5 × 47 × 61 × 293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4200155
Product of the distinct prime numbers
The prime factorization of 21000775 is 5 × 5 × 47 × 61 × 293.
Since it has a total of 5 prime factors.
1 , 8 , 74 , 38 , 395 , 625 , 4279 , 6270 , 75822 , 83923 , 353473 , 856881 , 9511087 , 4251121 , 19013833 , 38981044 , 914100855 , 873245090 , 1311114665 , 2068974974
n×2
42001550
n×3
63002325
n×4
84003100
n×5
105003875
n÷2
10500387.5
n÷3
7000258.3333333
n÷3
5250193.75
n÷5
4200155
n2
441032550600625
n3
9.2620253628398E+21
n4
1.9450971068929E+29
n5
4.0848546695009E+36
2 √n
4582.6602536082
3 √n
275.89581151102
4 √n
67.695348832901
5 √n
29.137149640914
1 , 5 , 25 , 47 , 61 , 235 , 293 , 305 , 1175 , 1465 , 1525 , 2867 , 7325 , 13771 , 14335 , 17873 , 68855 , 71675 , 89365 , 344275 , 446825 , 840031 , 4200155 , 21000775
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
-21000774
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 21000775 can be divided by 24 positive divisors.
The sum of these divisors (counting 21000775) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000111001001000111
3
Ternary
1110111221122111
4
Quaternary
1100013021013
5
Quinary
20334011100
6
Senary
2030041451
8
Octal
120071107
10
Decimal
21000775
12
Duodecimal
7049287
16
Hexadecimal
1407247
20
Vigesimal
6b51if
36
Base36
ci4av
md5
3d0f837f413e7c3d93e99a3beb38ea7b
sha1
b5969b8ec18eaf5a4dc5dfb67d05701ddd1d4108
sha256
9382a7b1cb727ba821173caa126fc535481643226fdf89056a5be833cd389559
sha512
a1373a6174c2e6ac5ad623518b8efda2cea162819971c350d3fe2829926841ea76be1571014b8136c5366ff4aed7e6bce11e94f3bc08ce3f5f7af2294d23aef1
ripemd-160
60712eb2d5ccb6d083ae985f7fe2f295233989ad
Diameter
42001550
Circumference
131951760.91938
Area
1.3855446209609E+15
Volume
3.8796681116347E+22
Surface area
5.5421784838436E+15
Circumference
131951760.91938
Perimeter
84003100
Area
441032550600625
Diagonal
29699580.825346
Surface area
2646195303603750
Volume
9.2620253628398E+21
Space diagonal
36374409.298322
Perimeter
63002325
Area
1.9097269635799E+14
Altitude
18187204.649161
Surface area
1.9097269635799E+14
Volume
1.091540156931E+21
Height
9899860.2751153