21492886 is an even 8-digits composite number following 21492885
and preceding 21492887 . In scientific notation, it is written as 2.1492886 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 10329088 positive integers (up to 21492886) that are relatively prime to 21492886.
21492886 has 16 divisors, whose sum is 33501600
The reverse of 21492886 is 68829412
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred ninety-two thousand eight hundred eighty-six
Scientific notation
2.1492886 × 10^7
Engineering notation
2.1492886 × 10^6
Prime Factorization
2 × 29 × 263 × 1409
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492886
Product of the distinct prime numbers
The prime factorization of 21492886 is 2 × 29 × 263 × 1409.
Since it has a total of 4 prime factors.
7 , 5 , 75 , 69 , 313 , 840 , 5103 , 8509 , 97140 , 53867 , 990134 , 160479 , 8604993 , 6498493 , 48040235 , 21504866 , 607967467 , 172996951 , 7712654146 , 9061158208
n×2
42985772
n×3
64478658
n×4
85971544
n×5
107464430
n÷2
10746443
n÷3
7164295.3333333
n÷3
5373221.5
n÷5
4298577.2
n2
461944148608996
n3
9.9285129244202E+21
n4
2.1339239643409E+29
n5
4.5864184498247E+36
2 √n
4636.0420619317
3 √n
278.03421589451
4 √n
68.088486999872
5 √n
29.272441518985
1 , 2 , 29 , 58 , 263 , 526 , 1409 , 2818 , 7627 , 15254 , 40861 , 81722 , 370567 , 741134 , 10746443 , 21492886
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
-21492885
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 21492886 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492886) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111010010010110
3
Ternary
1111102221200211
4
Quaternary
1101333102112
5
Quinary
21000233021
6
Senary
2044400034
8
Octal
121772226
10
Decimal
21492886
12
Duodecimal
724601a
16
Hexadecimal
147f496
20
Vigesimal
6e6c46
36
Base36
cso0m
md5
7d8849e41a0e747e7c4b1348632b8713
sha1
093f9852ad7720b80102daa1cbf608231eee61bd
sha256
9140ac4cd313d18455dfb026fdadf7f7a498c1d03cacf77a379315f8260bbafb
sha512
fbe96e5638c81ee48aa3dc3e7f4e063af6dc81ff2cba026e1217a8850624e58f0e153391366e371cba1294a268c868e457aad7765e05e4aaae77865c566d9529
ripemd-160
ba0e4d5919a3d7292944f4a525e12f0e831c72dc
Diameter
42985772
Circumference
135043785.52409
Area
1.4512403436388E+15
Volume
4.1588457685906E+22
Surface area
5.8049613745553E+15
Circumference
135043785.52409
Perimeter
85971544
Area
461944148608996
Diagonal
30395530.875739
Surface area
2771664891653976
Volume
9.9285129244202E+21
Space diagonal
37226770.553286
Perimeter
64478658
Area
2.0002768391248E+14
Altitude
18613385.276643
Surface area
2.0002768391248E+14
Volume
1.170086469326E+21
Height
10131843.625246