21127984 is an even 8-digits composite number following 21127983
and preceding 21127985 . In scientific notation, it is written as 2.1127984 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors.
There are 10104512 positive integers (up to 21127984) that are relatively prime to 21127984.
21127984 has 20 divisors, whose sum is 42716016
The reverse of 21127984 is 48972112
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million one hundred twenty-seven thousand nine hundred eighty-four
Scientific notation
2.1127984 × 10^7
Engineering notation
2.1127984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 23 × 57413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2640998
Product of the distinct prime numbers
The prime factorization of 21127984 is 2 × 2 × 2 × 2 × 23 × 57413.
Since it has a total of 6 prime factors.
1 , 7 , 81 , 81 , 668 , 541 , 972 , 314 , 10012 , 93123 , 763202 , 374279 , 7528067 , 5359225 , 69719014 , 97604721 , 692323873 , 199793588 , 8670606595 , 4884228627
n×2
42255968
n×3
63383952
n×4
84511936
n×5
105639920
n÷2
10563992
n÷3
7042661.3333333
n÷3
5281996
n÷5
4225596.8
n2
446391707904256
n3
9.4313568623338E+21
n4
1.9926555688568E+29
n5
4.2100794976317E+36
2 √n
4596.5186826554
3 √n
276.45175613744
4 √n
67.797630361653
5 √n
29.172363194011
1 , 2 , 4 , 8 , 16 , 23 , 46 , 92 , 184 , 368 , 57413 , 114826 , 229652 , 459304 , 918608 , 1320499 , 2640998 , 5281996 , 10563992 , 21127984
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21127983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21127984 can be divided by 20 positive divisors.
The sum of these divisors (counting 21127984) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000100110001100110000
3
Ternary
1110202102010221
4
Quaternary
1100212030300
5
Quinary
20402043414
6
Senary
2032502424
8
Octal
120461460
10
Decimal
21127984
12
Duodecimal
70aaa14
16
Hexadecimal
1426330
20
Vigesimal
6c0jj4
36
Base36
ckugg
md5
9a6a2e388717494443d61c1ce00f4186
sha1
ca47ed3767983b76fbc09f71dd76886d1b66311b
sha256
adcd4ab6438fe839de6bf07dc105e097b194226edf8f5f93a30650ec72a3cf1e
sha512
b3bca68a24dd3773431f06dd9426ec87deae861c98ed0e8c04e78fd37f77469327fd3ad9f9a2df8da3e26770825d4c0935247d78b239fbd3af5d5e20075ccf40
ripemd-160
ae8d74eeb96b39d96841de7d2a9c54deb239ae9f
Diameter
42255968
Circumference
132751038.63913
Area
1.4023809101754E+15
Volume
3.9505975242789E+22
Surface area
5.6095236407016E+15
Circumference
132751038.63913
Perimeter
84511936
Area
446391707904256
Diagonal
29879481.518402
Surface area
2678350247425536
Volume
9.4313568623338E+21
Space diagonal
36594741.749502
Perimeter
63383952
Area
1.932932795419E+14
Altitude
18297370.874751
Surface area
1.932932795419E+14
Volume
1.1114960655244E+21
Height
9959827.1728006