21000744 is an even 8-digits composite number following 21000743
and preceding 21000745 . In scientific notation, it is written as 2.1000744 × 10^7.
The sum of its digits is 18. It has a total of 6 prime factors and 24 positive divisors.
There are 7000224 positive integers (up to 21000744) that are relatively prime to 21000744.
21000744 has 24 divisors, whose sum is 56877210
The reverse of 21000744 is 44700012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million seven hundred forty-four
Scientific notation
2.1000744 × 10^7
Engineering notation
2.1000744 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 3 × 291677
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1750062
Product of the distinct prime numbers
The prime factorization of 21000744 is 2 × 2 × 2 × 3 × 3 × 291677.
Since it has a total of 6 prime factors.
7 , 4 , 60 , 61 , 23 , 410 , 1275 , 6586 , 18326 , 38914 , 711936 , 252313 , 9865048 , 9635331 , 58388141 , 34627233 , 300241656 , 619031854 , 1204235599 , 5027999261
n×2
42001488
n×3
63002232
n×4
84002976
n×5
105003720
n÷2
10500372
n÷3
7000248
n÷3
5250186
n÷5
4200148.8
n2
441031248553536
n3
9.2619843468732E+21
n4
1.9450856220069E+29
n5
4.0848245205848E+36
2 √n
4582.656871292
3 √n
275.89567575771
4 √n
67.695323851002
5 √n
29.13714103883
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 18 , 24 , 36 , 72 , 291677 , 583354 , 875031 , 1166708 , 1750062 , 2333416 , 2625093 , 3500124 , 5250186 , 7000248 , 10500372 , 21000744
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
-21000743
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 21000744 can be divided by 24 positive divisors.
The sum of these divisors (counting 21000744) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000111001000101000
3
Ternary
1110111221121100
4
Quaternary
1100013020220
5
Quinary
20334010434
6
Senary
2030041400
8
Octal
120071050
10
Decimal
21000744
12
Duodecimal
7049260
16
Hexadecimal
1407228
20
Vigesimal
6b51h4
36
Base36
ci4a0
md5
10d73e0ef23cc92325d4d2758d33250f
sha1
9c28835bc981a4f0c58b21e806578cf30a56d581
sha256
fefc21edc87fe0a5ccd26704e6165a619180ab309710c7a8fc30ff9e0e78c800
sha512
f6cc84f6c65385cb37aa40aadccbca9045213bc07ffefa8d28deaf287075112c3400013f0b3c90c09bcd147d2246ee3c28ad59f9aff917fe6fabb4a76b1416f3
ripemd-160
aded4d2fc2e28646b0aca07ebd718a7728dc2885
Diameter
42001488
Circumference
131951566.14064
Area
1.3855405304593E+15
Volume
3.8796509309067E+22
Surface area
5.5421621218373E+15
Circumference
131951566.14064
Perimeter
84002976
Area
441031248553536
Diagonal
29699536.984725
Surface area
2646187491321216
Volume
9.2619843468732E+21
Space diagonal
36374355.604747
Perimeter
63002232
Area
1.9097213255507E+14
Altitude
18187177.802374
Surface area
1.9097213255507E+14
Volume
1.0915353231529E+21
Height
9899845.6615751