21292786 is an even 8-digits composite number following 21292785
and preceding 21292787 . In scientific notation, it is written as 2.1292786 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors.
There are 9830016 positive integers (up to 21292786) that are relatively prime to 21292786.
21292786 has 32 divisors, whose sum is 34525440
The reverse of 21292786 is 68729212
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million two hundred ninety-two thousand seven hundred eighty-six
Scientific notation
2.1292786 × 10^7
Engineering notation
2.1292786 × 10^6
Prime Factorization
2 × 29 × 107 × 47 × 73
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21292786
Product of the distinct prime numbers
The prime factorization of 21292786 is 2 × 29 × 107 × 47 × 73.
Since it has a total of 5 prime factors.
7 , 9 , 98 , 27 , 1 , 456 , 5851 , 4517 , 55558 , 51115 , 343560 , 831605 , 8746578 , 4003740 , 66877439 , 51798629 , 859590535 , 739338339 , 1550408072 , 851008028
n×2
42585572
n×3
63878358
n×4
85171144
n×5
106463930
n÷2
10646393
n÷3
7097595.3333333
n÷3
5323196.5
n÷5
4258557.2
n2
453382735641796
n3
9.6537815661153E+21
n4
2.0555590497804E+29
n5
4.3768578957337E+36
2 √n
4614.4106882678
3 √n
277.16868610778
4 √n
67.929453761
5 √n
29.217731775989
1 , 2 , 29 , 47 , 58 , 73 , 94 , 107 , 146 , 214 , 1363 , 2117 , 2726 , 3103 , 3431 , 4234 , 5029 , 6206 , 6862 , 7811 , 10058 , 15622 , 99499 , 145841 , 198998 , 226519 , 291682 , 367117 , 453038 , 734234 , 10646393 , 21292786
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21292785
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21292786 can be divided by 32 positive divisors.
The sum of these divisors (counting 21292786) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001001110011011110010
3
Ternary
1111001210012201
4
Quaternary
1101032123302
5
Quinary
20422332121
6
Senary
2040213414
8
Octal
121163362
10
Decimal
21292786
12
Duodecimal
716a26a
16
Hexadecimal
144e6f2
20
Vigesimal
6d1bj6
36
Base36
codma
md5
2425568b2ccec3c76e875e3d1f6b5e44
sha1
affff27bf5fdf170788a6bb3f08a81016e786818
sha256
994027188a05735af1e8ff02a46cac318225db83a89db18e3e532d2bdac13309
sha512
de874a0b380614976363af493d80882e5ace8930fd7a944790e0dee33886ef21f7d76dca7ccc277d028f32cf40870c0557eb13f28824832a46a36cb26da207f1
ripemd-160
94ea9f7a33b7db278a90a5d2940653c63958043b
Diameter
42585572
Circumference
133786520.14412
Area
1.4243438715567E+15
Volume
4.0437665663291E+22
Surface area
5.6973754862268E+15
Circumference
133786520.14412
Perimeter
85171144
Area
453382735641796
Diagonal
30112546.741908
Surface area
2720296413850776
Volume
9.6537815661153E+21
Space diagonal
36880187.186691
Perimeter
63878358
Area
1.9632048335154E+14
Altitude
18440093.593346
Surface area
1.9632048335154E+14
Volume
1.137709068249E+21
Height
10037515.580636