21556663 is an odd 8-digits composite number following 21556662
and preceding 21556664 . In scientific notation, it is written as 2.1556663 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20288608 positive integers (up to 21556663) that are relatively prime to 21556663.
21556663 has 4 divisors, whose sum is 22824720
The reverse of 21556663 is 36665512
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million five hundred fifty-six thousand six hundred sixty-three
Scientific notation
2.1556663 × 10^7
Engineering notation
2.1556663 × 10^6
Prime Factorization
17 × 1268039
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21556663
Product of the distinct prime numbers
The prime factorization of 21556663 is 17 × 1268039.
Since it has a total of 2 prime factors.
1 , 1 , 56 , 13 , 361 , 928 , 8352 , 5550 , 73077 , 55367 , 211178 , 466247 , 8207737 , 625105 , 80437618 , 16873932 , 747941983 , 817342104 , 4997962851 , 4969948159
n×2
43113326
n×3
64669989
n×4
86226652
n×5
107783315
n÷2
10778331.5
n÷3
7185554.3333333
n÷3
5389165.75
n÷5
4311332.6
n2
464689719695569
n3
1.0017159687042E+22
n4
2.1593653559075E+29
n5
4.6548711271172E+36
2 √n
4642.915355679
3 √n
278.30895296825
4 √n
68.138941550915
5 √n
29.289793274617
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
-21556662
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 21556663 can be divided by 4 positive divisors.
The sum of these divisors (counting 21556663) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001110110110110111
3
Ternary
1111120012011221
4
Quaternary
1102032312313
5
Quinary
21004303123
6
Senary
2050011211
8
Octal
122166667
10
Decimal
21556663
12
Duodecimal
7276b07
16
Hexadecimal
148edb7
20
Vigesimal
6eebd3
36
Base36
cu187
md5
fdb069b35f16c4f3ce04bccc23450d64
sha1
3411261b934421c72cc846dcc0069c4b782a796f
sha256
7153600e7714d14096380ce87309eb09003f610dc38ec2fcdc432f41a387b1bf
sha512
d2dbe6fc7ae1c2e290a2b93e57a5f04ad53b64f27ebf4839d9721aca3fcb150d5425f754100443a80fb9ad7fe80c2a488568570d966327ffe39f8f3cebc4a786
ripemd-160
f748ce07158d069bd49976d09b39d776a9995b75
Diameter
43113326
Circumference
135444508.23342
Area
1.4598658095943E+15
Volume
4.1959780376862E+22
Surface area
5.8394632383772E+15
Circumference
135444508.23342
Perimeter
86226652
Area
464689719695569
Diagonal
30485725.174106
Surface area
2788138318173414
Volume
1.0017159687042E+22
Space diagonal
37337235.55764
Perimeter
64669989
Area
2.0121655106692E+14
Altitude
18668617.77882
Surface area
2.0121655106692E+14
Volume
1.1805335904893E+21
Height
10161908.391369