21556072 is an even 8-digits composite number following 21556071
and preceding 21556073 . In scientific notation, it is written as 2.1556072 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors.
There are 10442880 positive integers (up to 21556072) that are relatively prime to 21556072.
21556072 has 32 divisors, whose sum is 41690880
The reverse of 21556072 is 27065512
Previous prime number is 223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million five hundred fifty-six thousand seventy-two
Scientific notation
2.1556072 × 10^7
Engineering notation
2.1556072 × 10^6
Prime Factorization
2 × 2 × 2 × 43 × 223 × 281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5389018
Product of the distinct prime numbers
The prime factorization of 21556072 is 2 × 2 × 2 × 43 × 223 × 281.
Since it has a total of 6 prime factors.
3 , 1 , 58 , 98 , 108 , 441 , 1192 , 327 , 34447 , 41951 , 323433 , 397577 , 9000052 , 8305592 , 46527619 , 27371066 , 742232587 , 546111194 , 9931321515 , 9796842631
n×2
43112144
n×3
64668216
n×4
86224288
n×5
107780360
n÷2
10778036
n÷3
7185357.3333333
n÷3
5389018
n÷5
4311214.4
n2
464664240069184
n3
1.0016335814757E+22
n4
2.1591285599907E+29
n5
4.6542330696416E+36
2 √n
4642.8517098869
3 √n
278.30640956138
4 √n
68.138474519811
5 √n
29.289632670374
1 , 2 , 4 , 8 , 43 , 86 , 172 , 223 , 281 , 344 , 446 , 562 , 892 , 1124 , 1784 , 2248 , 9589 , 12083 , 19178 , 24166 , 38356 , 48332 , 62663 , 76712 , 96664 , 125326 , 250652 , 501304 , 2694509 , 5389018 , 10778036 , 21556072
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21556071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21556072 can be divided by 32 positive divisors.
The sum of these divisors (counting 21556072) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010001110101101101000
3
Ternary
1111120011101001
4
Quaternary
1102032231220
5
Quinary
21004243242
6
Senary
2050004344
8
Octal
122165550
10
Decimal
21556072
12
Duodecimal
72766b4
16
Hexadecimal
148eb68
20
Vigesimal
6eea3c
36
Base36
cu0rs
md5
04b283ce9b1ea1cfc2f676c5c331401b
sha1
d02d17818902ac2c01c7c9480b30a30a2bbaf616
sha256
0af8e5973033319fe43cd0eea1b65247e5d8b642da92f76c03670f1c521918b2
sha512
53614c4f6e39738be61423fd95075aeeb58910105bca095c07ac7ac4f087163668289e761f2faae380f93a3e778cc9896c53bc5db392817677822350e0490e46
ripemd-160
0b852b531ef64e3c68da8038cbf1700942956e12
Diameter
43112144
Circumference
135440794.87091
Area
1.4597857629872E+15
Volume
4.1956329348704E+22
Surface area
5.8391430519489E+15
Circumference
135440794.87091
Perimeter
86224288
Area
464664240069184
Diagonal
30484889.373891
Surface area
2787985440415104
Volume
1.0016335814757E+22
Space diagonal
37336211.915613
Perimeter
64668216
Area
2.0120551806505E+14
Altitude
18668105.957806
Surface area
2.0120551806505E+14
Volume
1.1804364962093E+21
Height
10161629.791297