21127788 is an even 8-digits composite number following 21127787
and preceding 21127789 . In scientific notation, it is written as 2.1127788 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 6402240 positive integers (up to 21127788) that are relatively prime to 21127788.
21127788 has 24 divisors, whose sum is 50793008
The reverse of 21127788 is 88772112
Previous prime number is 33
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million one hundred twenty-seven thousand seven hundred eighty-eight
Scientific notation
2.1127788 × 10^7
Engineering notation
2.1127788 × 10^6
Prime Factorization
2 × 2 × 3 × 33 × 53353
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10563894
Product of the distinct prime numbers
The prime factorization of 21127788 is 2 × 2 × 3 × 33 × 53353.
Since it has a total of 5 prime factors.
3 , 1 , 32 , 9 , 389 , 150 , 9734 , 3137 , 63862 , 28304 , 613657 , 19746 , 5447194 , 9407087 , 45187855 , 90120005 , 695115492 , 56816843 , 468020198 , 4618930188
n×2
42255576
n×3
63383364
n×4
84511152
n×5
105638940
n÷2
10563894
n÷3
7042596
n÷3
5281947
n÷5
4225557.6
n2
446383425772944
n3
9.4310943864445E+21
n4
1.9925816280479E+29
n5
4.2098842210091E+36
2 √n
4596.4973621226
3 √n
276.4509012726
4 √n
67.797473124908
5 √n
29.172309068597
1 , 2 , 3 , 4 , 6 , 12 , 33 , 66 , 99 , 132 , 198 , 396 , 53353 , 106706 , 160059 , 213412 , 320118 , 640236 , 1760649 , 3521298 , 5281947 , 7042596 , 10563894 , 21127788
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
-21127787
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 21127788 can be divided by 24 positive divisors.
The sum of these divisors (counting 21127788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100110001001101100
3
Ternary
1110202101212200
4
Quaternary
1100212021230
5
Quinary
20402042123
6
Senary
2032501500
8
Octal
120461154
10
Decimal
21127788
12
Duodecimal
70aa890
16
Hexadecimal
142626c
20
Vigesimal
6c0j98
36
Base36
ckub0
md5
ea96c5367ad8ed5f2aa5cae6996d7bfd
sha1
879ea7a291c2ce8b20a6241fcb881ef7f0370481
sha256
83c4b76aaf91a4c5b56d49d9fbbf6098ed5802dc7eede84dcb23f369d61f217b
sha512
8e3228f9c6f8ac636393cc20e88fb94dfc22fb476726fb37b6864d4a9e010dfcc8a616844ef3fde4e29e5dd6c1b8c1dfe93c4c1ec66cc28ffc4c221ed6cc3435
ripemd-160
36575024241925cc0024c71a83c635f7101e7984
Diameter
42255576
Circumference
132749807.13481
Area
1.4023548910925E+15
Volume
3.9504875786355E+22
Surface area
5.6094195643701E+15
Circumference
132749807.13481
Perimeter
84511152
Area
446383425772944
Diagonal
29879204.332544
Surface area
2678300554637664
Volume
9.4310943864445E+21
Space diagonal
36594402.267544
Perimeter
63383364
Area
1.9328969327385E+14
Altitude
18297201.133772
Surface area
1.9328969327385E+14
Volume
1.1114651324442E+21
Height
9959734.7775145