21128846 is an even 8-digits composite number following 21128845
and preceding 21128847 . In scientific notation, it is written as 2.1128846 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10564422 positive integers (up to 21128846) that are relatively prime to 21128846.
21128846 has 4 divisors, whose sum is 31693272
The reverse of 21128846 is 64882112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million one hundred twenty-eight thousand eight hundred forty-six
Scientific notation
2.1128846 × 10^7
Engineering notation
2.1128846 × 10^6
Prime Factorization
2 × 10564423
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21128846
Product of the distinct prime numbers
The prime factorization of 21128846 is 2 × 10564423.
Since it has a total of 2 prime factors.
6 , 7 , 100 , 79 , 585 , 709 , 3121 , 7345 , 39592 , 52423 , 349940 , 423127 , 837731 , 9096684 , 69534166 , 9429797 , 823669527 , 55578072 , 5526672172 , 3192210492
n×2
42257692
n×3
63386538
n×4
84515384
n×5
105644230
n÷2
10564423
n÷3
7042948.6666667
n÷3
5282211.5
n÷5
4225769.2
n2
446428133291716
n3
9.4325112783881E+21
n4
1.9929807819433E+29
n5
4.2109384022639E+36
2 √n
4596.6124483145
3 √n
276.45551573534
4 √n
67.798321869457
5 √n
29.172601230604
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21128845
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21128846 can be divided by 4 positive divisors.
The sum of these divisors (counting 21128846) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100110011010001110
3
Ternary
1110202110022212
4
Quaternary
1100212122032
5
Quinary
20402110341
6
Senary
2032510422
8
Octal
120463216
10
Decimal
21128846
12
Duodecimal
70ab412
16
Hexadecimal
142668e
20
Vigesimal
6c1226
36
Base36
ckv4e
md5
f9b4635b908f42bdf113645ff303845d
sha1
990b096ed6468acfc6fca1a1f945018f715b7071
sha256
5e9d09f30afa3b0134946370cadd61ff354cf51d541017823201b5e9b4953aa7
sha512
731bbe9d3a22998aefa9d39c19a51436af4e32ad84af1dcb0891c8f4dfa4e03c493d87ee28c068de7c2cba1765f38eb2ceae1f81a8fd040a9be9856f8c086560
ripemd-160
58edb3fa140ed2ac0e33687c341696a285eab454
Diameter
42257692
Circumference
132756454.74486
Area
1.4024953439051E+15
Volume
3.9510810849449E+22
Surface area
5.6099813756202E+15
Circumference
132756454.74486
Perimeter
84515384
Area
446428133291716
Diagonal
29880700.570493
Surface area
2678568799750296
Volume
9.4325112783881E+21
Space diagonal
36596234.777298
Perimeter
63386538
Area
1.9330905219735E+14
Altitude
18298117.388649
Surface area
1.9330905219735E+14
Volume
1.1116321147611E+21
Height
9960233.5234975