21492866 is an even 8-digits composite number following 21492865
and preceding 21492867 . In scientific notation, it is written as 2.1492866 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 10690560 positive integers (up to 21492866) that are relatively prime to 21492866.
21492866 has 8 divisors, whose sum is 32406924
The reverse of 21492866 is 66829412
Previous prime number is 193
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety-two thousand eight hundred sixty-six
Scientific notation
2.1492866 × 10^7
Engineering notation
2.1492866 × 10^6
Prime Factorization
2 × 193 × 55681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21492866
Product of the distinct prime numbers
The prime factorization of 21492866 is 2 × 193 × 55681.
Since it has a total of 3 prime factors.
6 , 7 , 11 , 95 , 509 , 582 , 808 , 2487 , 50816 , 56810 , 794075 , 37443 , 7981706 , 4534740 , 73145422 , 33969176 , 780594436 , 346610134 , 1509079436 , 3838396677
n×2
42985732
n×3
64478598
n×4
85971464
n×5
107464330
n÷2
10746433
n÷3
7164288.6666667
n÷3
5373216.5
n÷5
4298573.2
n2
461943288893956
n3
9.9284852077971E+21
n4
2.1339160215416E+29
n5
4.5863971106248E+36
2 √n
4636.0399049189
3 √n
278.03412965378
4 √n
68.088471160093
5 √n
29.272436071144
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492865
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492866 can be divided by 8 positive divisors.
The sum of these divisors (counting 21492866) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111010010000010
3
Ternary
1111102221200002
4
Quaternary
1101333102002
5
Quinary
21000232431
6
Senary
2044400002
8
Octal
121772202
10
Decimal
21492866
12
Duodecimal
7246002
16
Hexadecimal
147f482
20
Vigesimal
6e6c36
36
Base36
cso02
md5
b06e185cdda9c724feff0d8d8ae995b9
sha1
4e58f46778bf4b176a1bbbf3a2f53c67c48a45cc
sha256
9255f63620830d341c73de372c3610b005954156dce00032d03be878e59ae494
sha512
647d2e1ea7089468512eb728d9c548b2db6f908029cb06e605f4395187dc4b88541304de4ef2fc5385bf7ee9c7130bbedd34254cbd33469adc1097367807ad63
ripemd-160
d36d55a553d12b5540a51bfe23f1e97d07156306
Diameter
42985732
Circumference
135043659.86038
Area
1.4512376427644E+15
Volume
4.1588341586787E+22
Surface area
5.8049505710574E+15
Circumference
135043659.86038
Perimeter
85971464
Area
461943288893956
Diagonal
30395502.591468
Surface area
2771659733363736
Volume
9.9284852077971E+21
Space diagonal
37226735.91227
Perimeter
64478598
Area
2.0002731164495E+14
Altitude
18613367.956135
Surface area
2.0002731164495E+14
Volume
1.1700832028906E+21
Height
10131834.197156