21294890 is an even 8-digits composite number following 21294889
and preceding 21294891 . In scientific notation, it is written as 2.1294890 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 8319696 positive integers (up to 21294890) that are relatively prime to 21294890.
21294890 has 16 divisors, whose sum is 39223008
The reverse of 21294890 is 09849212
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million two hundred ninety-four thousand eight hundred ninety
Scientific notation
2.1294890 × 10^7
Engineering notation
2.1294890 × 10^6
Prime Factorization
2 × 5 × 43 × 49523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21294890
Product of the distinct prime numbers
The prime factorization of 21294890 is 2 × 5 × 43 × 49523.
Since it has a total of 4 prime factors.
4 , 1 , 91 , 90 , 112 , 631 , 7650 , 193 , 39513 , 1823 , 533885 , 788180 , 4034448 , 6821903 , 48445000 , 8645798 , 862344385 , 527472997 , 4106559715 , 5602278664
n×2
42589780
n×3
63884670
n×4
85179560
n×5
106474450
n÷2
10647445
n÷3
7098296.6666667
n÷3
5323722.5
n÷5
4258978
n2
453472340112100
n3
9.6566436007298E+21
n4
2.0563716324674E+29
n5
4.3790207712515E+36
2 √n
4614.6386640776
3 √n
277.17781507927
4 √n
67.931131773861
5 √n
29.218309170399
1 , 2 , 5 , 10 , 43 , 86 , 215 , 430 , 49523 , 99046 , 247615 , 495230 , 2129489 , 4258978 , 10647445 , 21294890
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
-21294889
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 21294890 can be divided by 16 positive divisors.
The sum of these divisors (counting 21294890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001110111100101010
3
Ternary
1111001220002122
4
Quaternary
1101032330222
5
Quinary
20422414030
6
Senary
2040231242
8
Octal
121167452
10
Decimal
21294890
12
Duodecimal
716b522
16
Hexadecimal
144ef2a
20
Vigesimal
6d1h4a
36
Base36
cof8q
md5
c3839d1756638cf864915c5366a66d66
sha1
23f00bfa3b3c7f79f457a149ad436c0b6e66cea2
sha256
edb7dadd305d6c7e87f6b41b291122b0d3bb67085a7a8a1b86008289e8e3ab8d
sha512
dc5f55e5301e5ee09d17a2db91b3227e39b2725c55958e0c4cc6c8fbea427db0302be2d34703a3ce03f8a4ecb30f8df227326ceeb602121d73a3d130178d9ee8
ripemd-160
23b4962aa43e82d2683b7a9b9e0dd1da21696df9
Diameter
42589780
Circumference
133799739.96601
Area
1.4246253723023E+15
Volume
4.044965412585E+22
Surface area
5.6985014892094E+15
Circumference
133799739.96601
Perimeter
85179560
Area
453472340112100
Diagonal
30115522.247243
Surface area
2720834040672600
Volume
9.6566436007298E+21
Space diagonal
36883831.42159
Perimeter
63884670
Area
1.9635928322533E+14
Altitude
18441915.710795
Surface area
1.9635928322533E+14
Volume
1.1380463622629E+21
Height
10038507.415748