21551966 is an even 8-digits composite number following 21551965
and preceding 21551967 . In scientific notation, it is written as 2.1551966 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 9764568 positive integers (up to 21551966) that are relatively prime to 21551966.
21551966 has 16 divisors, whose sum is 35510400
The reverse of 21551966 is 66915512
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million five hundred fifty-one thousand nine hundred sixty-six
Scientific notation
2.1551966 × 10^7
Engineering notation
2.1551966 × 10^6
Prime Factorization
2 × 19 × 23 × 24659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21551966
Product of the distinct prime numbers
The prime factorization of 21551966 is 2 × 19 × 23 × 24659.
Since it has a total of 4 prime factors.
7 , 7 , 78 , 88 , 34 , 670 , 9503 , 9140 , 37580 , 54352 , 29954 , 612361 , 8435349 , 2957773 , 99719833 , 32327400 , 356451956 , 473541366 , 6911596297 , 899596033
n×2
43103932
n×3
64655898
n×4
86207864
n×5
107759830
n÷2
10775983
n÷3
7183988.6666667
n÷3
5387991.5
n÷5
4310393.2
n2
464487238465156
n3
1.0010613170835E+22
n4
2.1574839469699E+29
n5
4.649802067064E+36
2 √n
4642.4095036953
3 √n
278.28873784022
4 √n
68.135229534326
5 √n
29.288516767663
1 , 2 , 19 , 23 , 38 , 46 , 437 , 874 , 24659 , 49318 , 468521 , 567157 , 937042 , 1134314 , 10775983 , 21551966
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551965
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551966 can be divided by 16 positive divisors.
The sum of these divisors (counting 21551966) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001101101101011110
3
Ternary
1111112221201222
4
Quaternary
1102031231132
5
Quinary
21004130331
6
Senary
2045533342
8
Octal
122155536
10
Decimal
21551966
12
Duodecimal
7274252
16
Hexadecimal
148db5e
20
Vigesimal
6edji6
36
Base36
ctxlq
md5
70d395da037fe9d73b175b2ea10f1bd4
sha1
639618662bac1845a992e4fc08e98f6edad57448
sha256
b40ca8d9a6a7c609a3c4970a04db4e77fe739b53ecf489b90fc92e896cf716bf
sha512
33256042151be0b881172a771969bc1677eeb7c242b4d9d14776b5719f9f2fb300d8d1282b2b849bc1e4ca92af7c3fb2b71d6eaabe090ecf352c0f1dd25e0cf2
ripemd-160
ecc17274ca06edf1d28acfc2948b7a196b85c2bd
Diameter
43103932
Circumference
135414996.11203
Area
1.4592296960483E+15
Volume
4.1932358393899E+22
Surface area
5.8369187841934E+15
Circumference
135414996.11203
Perimeter
86207864
Area
464487238465156
Diagonal
30479082.613004
Surface area
2786923430790936
Volume
1.0010613170835E+22
Space diagonal
37329100.114997
Perimeter
64655898
Area
2.0112887412225E+14
Altitude
18664550.057498
Surface area
2.0112887412225E+14
Volume
1.1797620761555E+21
Height
10159694.204335