21556444 is an even 8-digits composite number following 21556443
and preceding 21556445 . In scientific notation, it is written as 2.1556444 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 8527680 positive integers (up to 21556444) that are relatively prime to 21556444.
21556444 has 24 divisors, whose sum is 46430048
The reverse of 21556444 is 44465512
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million five hundred fifty-six thousand four hundred forty-four
Scientific notation
2.1556444 × 10^7
Engineering notation
2.1556444 × 10^6
Prime Factorization
2 × 2 × 7 × 13 × 59221
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10778222
Product of the distinct prime numbers
The prime factorization of 21556444 is 2 × 2 × 7 × 13 × 59221.
Since it has a total of 5 prime factors.
2 , 2 , 66 , 6 , 804 , 235 , 7365 , 3623 , 31305 , 2413 , 916645 , 882206 , 4410387 , 5894931 , 45780066 , 97176558 , 988532211 , 805573026 , 7756539152 , 8166702950
n×2
43112888
n×3
64669332
n×4
86225776
n×5
107782220
n÷2
10778222
n÷3
7185481.3333333
n÷3
5389111
n÷5
4311288.8
n2
464680277925136
n3
1.0016854388998E+22
n4
2.1592776069258E+29
n5
4.654634681415E+36
2 √n
4642.8917712994
3 √n
278.30801049295
4 √n
68.138768489748
5 √n
29.28973376178
1 , 2 , 4 , 7 , 13 , 14 , 26 , 28 , 52 , 91 , 182 , 364 , 59221 , 118442 , 236884 , 414547 , 769873 , 829094 , 1539746 , 1658188 , 3079492 , 5389111 , 10778222 , 21556444
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21556443
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21556444 can be divided by 24 positive divisors.
The sum of these divisors (counting 21556444) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010001110110011011100
3
Ternary
1111120011212211
4
Quaternary
1102032303130
5
Quinary
21004301234
6
Senary
2050010204
8
Octal
122166334
10
Decimal
21556444
12
Duodecimal
7276964
16
Hexadecimal
148ecdc
20
Vigesimal
6eeb24
36
Base36
cu124
md5
a0fa68d4f72bf6d57631fa5a74f29325
sha1
0188bf01bf11ac03fa137c7c9f7cf6d21822b20b
sha256
0fe193ee55cfe8a70abbd610f89e2de37598a41bcf1b3f63e816f7ada721c864
sha512
da0759589ff3c0870c8f506a40c80b4a8fb2959137f40d452c106f11300a9a5a34321c3044f70d6ef35caee12d94781f92120962fe5c7ddeb701865a525c6576
ripemd-160
ffe1246a21ab918aec294a69a5058bc4c11af637
Diameter
43112888
Circumference
135443132.21584
Area
1.4598361473977E+15
Volume
4.1958501547405E+22
Surface area
5.8393445895907E+15
Circumference
135443132.21584
Perimeter
86225776
Area
464680277925136
Diagonal
30485415.461336
Surface area
2788081667550816
Volume
1.0016854388998E+22
Space diagonal
37336856.238513
Perimeter
64669332
Area
2.0121246266039E+14
Altitude
18668428.119257
Surface area
2.0121246266039E+14
Volume
1.1804976107697E+21
Height
10161805.153779