21494866 is an even 8-digits composite number following 21494865
and preceding 21494867 . In scientific notation, it is written as 2.1494866 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 10747432 positive integers (up to 21494866) that are relatively prime to 21494866.
21494866 has 4 divisors, whose sum is 32242302
The reverse of 21494866 is 66849412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred ninety-four thousand eight hundred sixty-six
Scientific notation
2.1494866 × 10^7
Engineering notation
2.1494866 × 10^6
Prime Factorization
2 × 10747433
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21494866
Product of the distinct prime numbers
The prime factorization of 21494866 is 2 × 10747433.
Since it has a total of 2 prime factors.
7 , 9 , 68 , 70 , 22 , 761 , 4623 , 9783 , 83630 , 81404 , 375354 , 863258 , 5096954 , 2188395 , 83273490 , 85348137 , 664909635 , 446729404 , 3822203874 , 7982136450
n×2
42989732
n×3
64484598
n×4
85979464
n×5
107474330
n÷2
10747433
n÷3
7164955.3333333
n÷3
5373716.5
n÷5
4298973.2
n2
462029264357956
n3
9.9312571254528E+21
n4
2.1347104112315E+29
n5
4.5885314238227E+36
2 √n
4636.2556012368
3 √n
278.04275346121
4 √n
68.090055083227
5 √n
29.272980835096
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494865
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494866 can be divided by 4 positive divisors.
The sum of these divisors (counting 21494866) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111110001010010
3
Ternary
1111110001102011
4
Quaternary
1101333301102
5
Quinary
21000313431
6
Senary
2044413134
8
Octal
121776122
10
Decimal
21494866
12
Duodecimal
72471aa
16
Hexadecimal
147fc52
20
Vigesimal
6e6h36
36
Base36
cspjm
md5
0ffc9e8ed7cd6df62bab015c9f8a6b00
sha1
feb968eb6abc867310f73c7a26ab8dbfafd3c7c6
sha256
5428dc8010e8773e54c012d04c2ab70ee8bb7bb9af2dd3a3558649133620af4e
sha512
eea19376301cd841d76290f398f4b91dfc6b0af651fbc3366fcb32e336870f01d92f983267d54c53a72518e7c7b0933fb59d20e0f3cfeb5a670a26389ca04947
ripemd-160
bd9d5fe6fb607ad0235957e44734183aaea603a7
Diameter
42989732
Circumference
135056226.23099
Area
1.4515077426505E+15
Volume
4.1599952568312E+22
Surface area
5.8060309706018E+15
Circumference
135056226.23099
Perimeter
85979464
Area
462029264357956
Diagonal
30398331.018592
Surface area
2772175586147736
Volume
9.9312571254528E+21
Space diagonal
37230200.013885
Perimeter
64484598
Area
2.0006454011291E+14
Altitude
18615100.006942
Surface area
2.0006454011291E+14
Volume
1.1704098765192E+21
Height
10132777.006197