21746421 is an odd 8-digits composite number following 21746420
and preceding 21746422 . In scientific notation, it is written as 2.1746421 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 14389344 positive integers (up to 21746421) that are relatively prime to 21746421.
21746421 has 16 divisors, whose sum is 32457600
The reverse of 21746421 is 12464712
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million seven hundred forty-six thousand four hundred twenty-one
Scientific notation
2.1746421 × 10^7
Engineering notation
2.1746421 × 10^6
Prime Factorization
9 × 3 × 137 × 5879
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21746421
Product of the distinct prime numbers
The prime factorization of 21746421 is 9 × 3 × 137 × 5879.
Since it has a total of 4 prime factors.
10 , 6 , 88 , 9 , 298 , 312 , 328 , 5525 , 20571 , 57636 , 318767 , 253832 , 9167941 , 1255409 , 17753019 , 59691934 , 737240420 , 641673890 , 3560056628 , 5882938479
n×2
43492842
n×3
65239263
n×4
86985684
n×5
108732105
n÷2
10873210.5
n÷3
7248807
n÷3
5436605.25
n÷5
4349284.2
n2
472906826309241
n3
1.0284030938695E+22
n4
2.2364086636988E+29
n5
4.8633884328841E+36
2 √n
4663.3058016819
3 √n
279.12319683541
4 √n
68.288401662961
5 √n
29.341178826605
1 , 3 , 9 , 27 , 137 , 411 , 1233 , 3699 , 5879 , 17637 , 52911 , 158733 , 805423 , 2416269 , 7248807 , 21746421
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21746420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21746421 can be divided by 16 positive divisors.
The sum of these divisors (counting 21746421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010111101001011110101
3
Ternary
1111220211111000
4
Quaternary
1102331023311
5
Quinary
21031341141
6
Senary
2054033513
8
Octal
122751365
10
Decimal
21746421
12
Duodecimal
7348899
16
Hexadecimal
14bd2f5
20
Vigesimal
6fi611
36
Base36
cy3n9
md5
ac0584aeef8dec8725a9bf735d534cb6
sha1
ff8e73117d7ccc0b91b4afbf7d9fa26741b322a0
sha256
5ea92f7a27e7ac71b00e86c1d57faf2750b997e6803665c5ad0a28eff3cc8772
sha512
dcdc037bc9f21056cf0d6359e3579de5fd36e19ef4d33c4afa52481278398ed7319f2af9937be778f8c345e421767099344052d7cb11ea407810ad1da297fa4d
ripemd-160
d44cd7394f0e965414baeae91d4830071a859a39
Diameter
43492842
Circumference
136636792.91094
Area
1.4856806113656E+15
Volume
4.3077648061724E+22
Surface area
5.9427224454623E+15
Circumference
136636792.91094
Perimeter
86985684
Area
472906826309241
Diagonal
30754083.511275
Surface area
2837440957855446
Volume
1.0284030938695E+22
Space diagonal
37665906.054783
Perimeter
65239263
Area
2.0477466260344E+14
Altitude
18832953.027391
Surface area
2.0477466260344E+14
Volume
1.2119846691139E+21
Height
10251361.170425