21124788 is an even 8-digits composite number following 21124787
and preceding 21124789 . In scientific notation, it is written as 2.1124788 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 6925920 positive integers (up to 21124788) that are relatively prime to 21124788.
21124788 has 24 divisors, whose sum is 50100960
The reverse of 21124788 is 88742112
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million one hundred twenty-four thousand seven hundred eighty-eight
Scientific notation
2.1124788 × 10^7
Engineering notation
2.1124788 × 10^6
Prime Factorization
2 × 2 × 3 × 61 × 28859
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10562394
Product of the distinct prime numbers
The prime factorization of 21124788 is 2 × 2 × 3 × 61 × 28859.
Since it has a total of 5 prime factors.
9 , 10 , 36 , 45 , 940 , 413 , 2388 , 2837 , 99831 , 14745 , 87656 , 743002 , 6202216 , 472853 , 10416642 , 67136422 , 568406082 , 606307961 , 7722788725 , 6729150927
n×2
42249576
n×3
63374364
n×4
84499152
n×5
105623940
n÷2
10562394
n÷3
7041596
n÷3
5281197
n÷5
4224957.6
n2
446256668044944
n3
9.4270775060358E+21
n4
1.9914501377458E+29
n5
4.206896197245E+36
2 √n
4596.1710150951
3 √n
276.43781594692
4 √n
67.795066303493
5 √n
29.171480568251
1 , 2 , 3 , 4 , 6 , 12 , 61 , 122 , 183 , 244 , 366 , 732 , 28859 , 57718 , 86577 , 115436 , 173154 , 346308 , 1760399 , 3520798 , 5281197 , 7041596 , 10562394 , 21124788
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
-21124787
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 21124788 can be divided by 24 positive divisors.
The sum of these divisors (counting 21124788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100101011010110100
3
Ternary
1110202020202120
4
Quaternary
1100211122310
5
Quinary
20401443123
6
Senary
2032435540
8
Octal
120453264
10
Decimal
21124788
12
Duodecimal
70a8bb0
16
Hexadecimal
14256b4
20
Vigesimal
6c0bj8
36
Base36
ckrzo
md5
62ad64bfc54e9d7426f54139280ac878
sha1
d4cc65503fb467be6ab4b148a590fb7fd442d0e9
sha256
660b483b9b8a3c668ad9aa980d37a1dabfa7c66abe3573824ddaf6312d0edaf6
sha512
b119194a918c54f1bfd2792aa025f5fba91a34e8392031986d5f23aab59a0bde13645f1fb69f41fdb1f0920a53244455c2cb4e96298bb1bb9fe6aa1fe698a96e
ripemd-160
a5bd619297d699f371e8401658ae6a27a2598b0f
Diameter
42249576
Circumference
132730957.57888
Area
1.4019566699455E+15
Volume
3.9488049917045E+22
Surface area
5.6078266797818E+15
Circumference
132730957.57888
Perimeter
84499152
Area
446256668044944
Diagonal
29874961.691856
Surface area
2677540008269664
Volume
9.4270775060358E+21
Space diagonal
36589206.115121
Perimeter
63374364
Area
1.9323480556756E+14
Altitude
18294603.057561
Surface area
1.9323480556756E+14
Volume
1.1109917385482E+21
Height
9958320.5639521