21294828 is an even 8-digits composite number following 21294827
and preceding 21294829 . In scientific notation, it is written as 2.1294828 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 7098264 positive integers (up to 21294828) that are relatively prime to 21294828.
21294828 has 12 divisors, whose sum is 41406680
The reverse of 21294828 is 82849212
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million two hundred ninety-four thousand eight hundred twenty-eight
Scientific notation
2.1294828 × 10^7
Engineering notation
2.1294828 × 10^6
Prime Factorization
2 × 2 × 9 × 591523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10647414
Product of the distinct prime numbers
The prime factorization of 21294828 is 2 × 2 × 9 × 591523.
Since it has a total of 4 prime factors.
7 , 2 , 51 , 69 , 99 , 849 , 2648 , 6332 , 99074 , 61849 , 532072 , 426142 , 7913322 , 1783791 , 22471095 , 98606424 , 636234131 , 276671459 , 4443525543 , 423128067
n×2
42589656
n×3
63884484
n×4
85179312
n×5
106474140
n÷2
10647414
n÷3
7098276
n÷3
5323707
n÷5
4258965.6
n2
453469699549584
n3
9.6565592551201E+21
n4
2.0563476840959E+29
n5
4.3789570241021E+36
2 √n
4614.6319463203
3 √n
277.17754607825
4 √n
67.931082328492
5 √n
29.218292156578
1 , 2 , 4 , 9 , 18 , 36 , 591523 , 1183046 , 2366092 , 5323707 , 10647414 , 21294828
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21294827
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21294828 can be divided by 12 positive divisors.
The sum of these divisors (counting 21294828) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001001110111011101100
3
Ternary
1111001220000100
4
Quaternary
1101032323230
5
Quinary
20422413303
6
Senary
2040231100
8
Octal
121167354
10
Decimal
21294828
12
Duodecimal
716b490
16
Hexadecimal
144eeec
20
Vigesimal
6d1h18
36
Base36
cof70
md5
4368285679c0a038b6965b231cc9a029
sha1
528f48ad4b285320de3435c79a7f9c09918af20e
sha256
cf32981f31b261d7320a1a8bdb3b085f8ac171a3c593dbd4abcc9fce9dc4f03e
sha512
aa7440f5a4587a715a61bbea64889e685d0f35e5dbb1e01266260a9394fde9c529e8696b98efa8a56f05f27f98db1e0aa781e3593809356ebd44dc19fdbbcc4a
ripemd-160
6e180b721d99abe0287f6bc682abcf28f93fae91
Diameter
42589656
Circumference
133799350.40852
Area
1.4246170767305E+15
Volume
4.0449300819786E+22
Surface area
5.6984683069222E+15
Circumference
133799350.40852
Perimeter
85179312
Area
453469699549584
Diagonal
30115434.566002
Surface area
2720818197297504
Volume
9.6565592551201E+21
Space diagonal
36883724.03444
Perimeter
63884484
Area
1.9635813982822E+14
Altitude
18441862.01722
Surface area
1.9635813982822E+14
Volume
1.1380364220375E+21
Height
10038478.188667