21124789 is an odd 8-digits composite number following 21124788
and preceding 21124790 . In scientific notation, it is written as 2.1124789 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 16559424 positive integers (up to 21124789) that are relatively prime to 21124789.
21124789 has 16 divisors, whose sum is 26294400
The reverse of 21124789 is 98742112
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million one hundred twenty-four thousand seven hundred eighty-nine
Scientific notation
2.1124789 × 10^7
Engineering notation
2.1124789 × 10^6
Prime Factorization
7 × 19 × 29 × 5477
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21124789
Product of the distinct prime numbers
The prime factorization of 21124789 is 7 × 19 × 29 × 5477.
Since it has a total of 4 prime factors.
3 , 7 , 71 , 83 , 228 , 294 , 4057 , 8723 , 73086 , 3519 , 169569 , 683104 , 278392 , 4208573 , 71589011 , 21566738 , 304001151 , 580214137 , 6305575885 , 8530488889
n×2
42249578
n×3
63374367
n×4
84499156
n×5
105623945
n÷2
10562394.5
n÷3
7041596.3333333
n÷3
5281197.25
n÷5
4224957.8
n2
446256710294521
n3
9.4270788448059E+21
n4
1.9914505148289E+29
n5
4.2068971929701E+36
2 √n
4596.1711238813
3 √n
276.4378203089
4 √n
67.79506710581
5 √n
29.171480844433
1 , 7 , 19 , 29 , 133 , 203 , 551 , 3857 , 5477 , 38339 , 104063 , 158833 , 728441 , 1111831 , 3017827 , 21124789
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
-21124788
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 21124789 can be divided by 16 positive divisors.
The sum of these divisors (counting 21124789) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100101011010110101
3
Ternary
1110202020202121
4
Quaternary
1100211122311
5
Quinary
20401443124
6
Senary
2032435541
8
Octal
120453265
10
Decimal
21124789
12
Duodecimal
70a8bb1
16
Hexadecimal
14256b5
20
Vigesimal
6c0bj9
36
Base36
ckrzp
md5
0f6968f3f5a773f6aa9bf701a91d8ab1
sha1
ad782e6d374e5009e1a0752d2678e53e587e92ac
sha256
4668d69bdaab56ce9aa10ec421fefbf0ebc9239b58bd6f26bbe4a2b0f11d9980
sha512
70c581f9fcd4d68bf98563a62f9467df821da2d0abd0709fe20cdeafb44cecc32a68b707a9abb80d5e4d6c8a94c95b1e00848fe2630d27a416c6313a23ba1698
ripemd-160
d3e8c5c5893d4f29640434fc91ad39d1516997f4
Diameter
42249578
Circumference
132730963.86207
Area
1.4019568026764E+15
Volume
3.9488055524872E+22
Surface area
5.6078272107057E+15
Circumference
132730963.86207
Perimeter
84499156
Area
446256710294521
Diagonal
29874963.10607
Surface area
2677540261767126
Volume
9.4270788448059E+21
Space diagonal
36589207.847172
Perimeter
63374367
Area
1.9323482386216E+14
Altitude
18294603.923586
Surface area
1.9323482386216E+14
Volume
1.1109918963237E+21
Height
9958321.0353567